diff --git a/taln/Game.php b/taln/Game.php
new file mode 100644
index 0000000..7c4f428
--- /dev/null
+++ b/taln/Game.php
@@ -0,0 +1,162 @@
+<?php
+
+require_once("db.php");
+
+class Game {
+
+    private static $relationPhrases = array(
+        0 => "%mc est en rapport avec %mn",
+        5 => "%mc est un synonyme de %mn",
+        6 => "%mc est une sorte de %mn",
+        7 => "Un contraire de %mc est %mn",
+        8 => "Un spécifique de %mc est %mn",
+        9 => "%mn est une partie de %mc",
+        10 => "%mc fait partie de %mn",
+        13 => "Quoi/Qui pourrait %mc",
+        15 => "Le lieu pour %mc est %mn",
+        16 => "Un instrument pour %mc est %mn",
+        17 => "Un caractéristique de %mc est %mn");
+    private $db;
+    private $centralWord;
+    private $centralEID;
+    private $centralPOSs;
+    private $cloudEIDs;
+    private $cloudWords;
+
+    function __construct() {
+        $this->db = getDB();
+    }
+
+    function setCentralWordWithEID($wordEID) {
+        $this->centralEID = $wordEID;
+    }
+
+    function fetchRandomCentralEID() {
+        $this->db = getDB();
+        $query = "SELECT eid FROM random_center_node WHERE rowid
+            = (abs(random()) % (SELECT max(rowid) FROM random_center_node))+1";
+        $result = $this->db->querySingle($query, true);
+        $this->centralEID = $result['eid'];
+        $query = "SELECT name FROM node WHERE eid = $this->centralEID";
+        $result = $this->db->querySingle($query, true);
+        $this->centralWord = $result['name'];
+        $this->centralPOSs = $this->getPOS($this->centralEID);
+    }
+
+    /**
+     * Etant donné un mot passé en paramètre, on retourne le ou les POS.
+     * Attention, parfois plusieurs réponses sont possibles : un mot
+     * peut être à la fois un adjectif et un nom ou autre. Il y a quatre
+     * POSs possible ici : adjectif, adverb, nom et verb qui sont représentées
+     * par les strings 'adj', 'adv', 'nom' et 'verb' respectivement.
+     * @param <type> $wordEID
+     * @return string tableau de POS
+     */
+    function getPOS($wordEID) {
+        $query = "SELECT end FROM relation WHERE type = 4 AND start = $wordEID;";
+        $res = $this->db->query($query);
+
+        $POSs = array();
+        $cnt = 0;
+        $adj = $adv = $nom = $ver = false;
+
+        while ($tuple = $res->fetchArray()) {
+            $endEID = $tuple['end'];
+            $query = "SELECT name FROM node WHERE eid = $endEID";
+            $res2 = $this->db->querySingle($query, true);
+            $POSline = $res2['name'];
+
+            if (preg_match("/^Adj:/", $POSline)) {
+                if ($adj == false) {
+                    $POSs[$cnt] = "Adj";
+                    $cnt++;
+                    $adj = true;
+                }
+            } else if (preg_match("/^Adv:/", $POSline)) {
+                if ($adv == false) {
+                    $POSs[$cnt] = "Adv";
+                    $cnt++;
+                    $adv = true;
+                }
+            } else if (preg_match("/^Nom:/", $POSline)) {
+                if ($nom == false) {
+                    $POSs[$cnt] = "Nom";
+                    $cnt++;
+                    $nom = true;
+                }
+            } else if (preg_match("/^Ver:/", $POSline)) {
+                if ($ver == false) {
+                    $POSs[$cnt] = "Ver";
+                    $cnt++;
+                    $ver = true;
+                }
+            }
+        }
+        $this->POSs = $POSs;
+        return $POSs;
+    }
+
+    function getWordCloud($wordEID) {
+
+//  TODO: Find a way to enumerate indices used (to skip some)
+        for ($i = 5; $i < 10; $i++) {
+
+            $query = "SELECT end FROM relation WHERE type = $i AND start = $wordEID";
+            $res = $this->db->query($query);
+
+            $this->cloudEIDs[$i] = array();
+            $this->cloudWords[$i] = array();
+            $cnt = 0;
+
+            while ($tuple = $res->fetchArray()) {
+                $eid = $this->cloudEIDs[$i][$cnt] = $tuple['end'];
+                $query = "SELECT name FROM node WHERE eid = $eid";
+                $res2 = $this->db->querySingle($query, true);
+                $this->cloudWords[$i][$cnt] = $res2['name'];
+                //echo "index " . $i . " | " . $cnt . ": ";
+                //echo $this->cloudWords[$i][$cnt] . "<br />";
+                $cnt++;
+            }
+        }
+        return $this->cloudWords;
+    }
+
+    public function generateGame($wordEID) {
+        $this->getPOS($wordEID);
+        $this->getWordCloud($wordEID);
+        return $this;
+    }
+
+    public function generateRandomGame() {
+        $wordEID = $this->fetchRandomCentralEID();
+        //$this->getPOS($wordEID);
+        $this->getWordCloud($wordEID);
+        echo $this->toString();
+    }
+
+    public function toString() {
+        $s = "<dl>";
+        //$s .= "<dt>Mot central</dt>" . "<dd>".$this->centralWord."</dd>";
+
+        $s .= "<dt>POSs du mot central</dt>";
+        echo "VARDULP : ";
+        echo "<pre>";
+        var_dump($this->centralPOSs);
+        echo "</pre>";
+        foreach ($this->centralPOSs AS $k => $v) {
+            $s .= "<dd>" . $v . "</dd>";
+        }
+        foreach ($this->cloudWords AS $k1 => $v2) {
+            echo "VARDUMP...V";
+            var_dump($v) . "<br />";
+            $s .= "<dt>Relation " . $v . "</dt>";
+            foreach ($this->cloudWords[$v] AS $k2 => $v2) {
+                echo "VARDUMP... K2";
+                var_dump($k2) . "<br />";
+                $s .= "<dd>" . $this->cloudWords[$k1][$k2] . "<dd>";
+            }
+        }
+        echo "</dl>";
+    }
+}
+?>
\ No newline at end of file
diff --git a/taln/NodeTestTool.php b/taln/NodeTestTool.php
new file mode 100644
index 0000000..d7bf2c5
--- /dev/null
+++ b/taln/NodeTestTool.php
@@ -0,0 +1,530 @@
+<?php
+// Ctrl + F : TODO to find where to start working...
+/**
+ *
+ * TODO: analysis of relationships of relations  :
+ * - which are sometimes together ?
+ * - which are never together ?
+ * - why ?
+ * - are there other interesting combinations possible ?
+ * - are some always included in others ? ex. "synonym" and "related to"
+ * -
+ *
+ * IDEAS:
+ *
+ * - function or class that gives more info on clourds :
+ * ->make sure the same word dosn't appear twice
+ * ->make sure the main word does't appear in cloud
+ * ->filter to make all other words nouns, adg, etc.
+ * ->word count for percentage of words possible (if few words, small cloud ; if lots
+ * of words, big cloud
+ * ->
+ */
+require_once("db.php");
+
+class NodeTestTool {
+
+    //private static $typer1r2 = "type in ($r1, $r2)";
+    //private static $banned_types = "4, 12, 36, 18, 29, 45, 46, 47, 48, 1000, 1001";
+
+    private static $relations = array(0 => "r_associated",
+        5 => "r_syn", 6 => "r_isa", 7 => "r_anto", 8 => "r_hypo", 9 => "r_haspart",
+        10 => "r_holo", 13 => "r_agent", 15 => "r_lieu", 16 => "r_inst", 17 => "r_carac");
+
+ /***********************GENERAL METHODS***********************************/
+
+    public static function getWordFromEID($eid) {
+        $db = getDB();
+        $query = "SELECT name FROM node WHERE eid = $eid";
+        $result = $db->querySingle($query, true);
+        if($result != null) return $result['name'];
+        else return null;
+    }
+
+    public static function getEIDFromWord($word) {
+        $db = getDB();
+        $query = "SELECT eid FROM node WHERE name = '$word'";
+        $result = $db->querySingle($query, true);
+        if($result != null) return $result['eid'];
+        else return null;
+    }
+
+    public static function isEIDInDB($eid) {
+        $db = getDB();
+        $query = "SELECT eid FROM node WHERE eid = $eid";
+        $result = $db->querySingle($query, true);
+        if ($result != null)
+            return true;
+        return false;
+    }
+
+    public static function isWordInDB($word) {
+        $db = getDB();
+        $query = "SELECT eid FROM node WHERE name = '$word'";
+        $result = $db->querySingle($query, true);
+        if ($result != null)
+            return true;
+        return false;
+    }
+
+    public static function isCentralEIDinDB($centralEID) {
+        $db = getDB();
+        $query = "SELECT eid FROM random_center_node WHERE eid = $centralEID";
+        $result = $db->querySingle($query, true);
+        if ($result != null)
+            return true;
+        return false;
+    }
+
+    public static function isCentralWordInDB($word) {
+        $centralEID = NodeTestTool::getEIDFromWord($word);
+        return NodeTestTool::isCentralEIDinDB($centralEID);
+    }
+
+    public static function isCloudEIDInDB($cloudEID) {
+        $db = getDB();
+        $query = "SELECT eid FROM random_cloud_node WHERE eid = $cloudEID";
+        $result = $db->querySingle($query, true);
+        if ($result != null)
+            return true;
+        return false;
+    }
+
+    public static function isCloudWordInDB($cloudWord) {
+        $db = getDB();
+        $cloudEID = NodeTestTool::getEIDFromWord($cloudWord);
+        return NodeTestTool::isCloudEIDinDB($cloudEID);
+    }
+
+
+    public static function getPOSsFromEID($eid) {
+        $db = getDB();
+        $query = "SELECT end FROM relation WHERE type = 4 AND start = $eid;";
+        $res = $db->query($query);
+
+        $adj = $adv = $nom = $ver = false;
+        $s = "";
+
+        while ($tuple = $res->fetchArray()) {
+            $endEID = $tuple['end'];
+            $query = "SELECT name FROM node WHERE eid = $endEID";
+            $res2 = $db->querySingle($query, true);
+            $POSline = $res2['name'];
+
+            if (preg_match("/^Adj:/", $POSline)) {
+                if ($adj == false) {
+                    $s .= "Adj ";
+                    $adj = true;
+                }
+            } else if (preg_match("/^Adv:/", $POSline)) {
+                if ($adv == false) {
+                    $s .= "Adv ";
+                    $adv = true;
+                }
+            } else if (preg_match("/^Nom:/", $POSline)) {
+                if ($nom == false) {
+                    $s .= "Nom ";
+                    $nom = true;
+                }
+            } else if (preg_match("/^Ver:/", $POSline)) {
+                if ($ver == false) {
+                    $s .= "Ver ";
+                    $ver = true;
+                }
+            }
+        }
+        return $s;
+    }
+
+    public static function getPOSsFromWord($word) {
+        $eid = NodeTestTool::getEIDFromWord($word);
+        $POSs = NodeTestTool::getPOSsFromEID($eid);
+        return $POSs;
+    }
+
+
+    public static function getCloudEIDsFromCentralEIDAndRelNo($centralEID, $relNo) {
+        if (NodeTestTool::isCentralEIDinDB($centralEID)) {
+            $db = getDB();
+            $query = "SELECT end FROM relation WHERE type = $relNo AND start = $centralEID";
+            $res = $db->query($query);
+
+            $s = "";
+
+            while ($tuple = $res->fetchArray()) {
+                $eid2 = $tuple['end'];
+                $query = "SELECT eid FROM node WHERE eid = $eid2";
+                $res2 = $db->querySingle($query, true);
+                $s .= $res2['eid'] . ":";
+            }
+            if(strlen($s) > 0) $s = substr($s, 0, -1);
+            return $s;
+        }
+        return null;
+    }
+  
+    public static function getCloudWordsFromCentralEIDAndRelNo($centralEID, $relNo) {
+        if (NodeTestTool::isCentralEIDInDB($centralEID)) {
+            $db = getDB();
+            $query = "SELECT end FROM relation WHERE type = $relNo AND start = $centralEID";
+            $res = $db->query($query);
+
+            $s = "";
+
+            while ($tuple = $res->fetchArray()) {
+                $eid2 = $tuple['end'];
+                $query = "SELECT name FROM node WHERE eid = $eid2";
+                $res2 = $db->querySingle($query, true);
+                $s .= $res2['name'] . ":";
+            }
+            if(strlen($s) > 0) $s = substr($s, 0, -1);
+            return $s;
+        }
+        return null;
+    }
+
+    public static function getCloudEIDsFromCentralWordAndRelNo($centralWord, $relNo) {
+        $centralEID = NodeTestTool::getEIDFromWord($centralWord);
+        if (NodeTestTool::isCentralEIDInDB($centralEID)) {
+            return NodeTestTool::getCloudEIDsFromCentralEIDandRelNo($centralEID, $relNo);
+        }
+        return false;
+    }
+
+    public static function getCloudWordsFromCentralWordAndRelNo($centralWord, $relNo) {
+        if (NodeTestTool::isCentralWordInDB($centralWord)) {
+            $centralEID = NodeTestTool::getEIDFromWord($centralWord);
+            return NodeTestTool::getCloudWordsFromCentralEIDAndRelNo($centralEID, $relNo);
+        }
+        return false;
+    }
+
+    public static function getAllCloudEIDsFromCentralEID($centralEID) {
+        $s = "";
+        foreach (NodeTestTool::$relations AS $relNo => $relName) {
+            $cloud = NodeTestTool::getCloudEIDsFromCentralEIDAndRelNo($centralEID, $relNo);
+            $s .= $relNo . "=>" . $relName . ": " . $cloud . "<br />";
+        }
+        return $s;
+    }
+
+    public static function getAllCloudWordsFromCentralEID($centralEID) {
+        $s = "";
+        foreach (NodeTestTool::$relations AS $relNo => $relName) {
+            $cloud = NodeTestTool::getCloudWordsFromCentralEIDAndRelNo($centralEID, $relNo);
+            $s .= $relNo . "=>" . $relName . ": " . $cloud . "<br />";
+        }
+        return $s;
+    }
+
+    public static function getAllCloudEIDsFromCentralWord($centralWord) {
+        $s = "";
+        foreach (NodeTestTool::$relations AS $relNo => $relName) {
+            $cloud = NodeTestTool::getCloudEIDsFromCentralWordAndRelNo($centralWord, $relNo);
+            $s .= $relNo . "=>" . $relName . ": " . $cloud . "<br />";
+        }
+        return $s;
+    }
+
+    public static function getAllCloudWordsFromCentralWord($centralWord) {
+        $s = "";
+        foreach (NodeTestTool::$relations AS $relNo => $relName) {
+            $cloud = NodeTestTool::getCloudWordsFromCentralWordAndRelNo($centralWord, $relNo);
+            $s .= $relNo . "=>" . $relName . ": " . $cloud . "<br />";
+        }
+        return $s;
+    }
+
+
+/*****************************RANDOM METHODS**************************/
+
+    public static function getRandomCentralEID() {
+        $db = getDB();
+        $query = "SELECT eid FROM random_center_node WHERE rowid =
+            (ABS(RANDOM()) % (SELECT MAX(rowid) FROM random_center_node)) + 1";
+        $res = $db->querySingle($query, true);
+        if ($res != null)
+            return $res['eid'];
+        else
+            return null;
+    }
+
+    public static function getRandomCentralWord() {
+        $eid = NodeTestTool::getRandomCentralEID();
+        return NodeTestTool::getWordFromEID($eid);
+    }
+
+    public static function getAbsoluteRandomCloudEID() {
+        $db = getDB();
+        $query = "SELECT eid FROM random_cloud_node WHERE rowid =
+            (ABS(RANDOM()) % (SELECT MAX(rowid) FROM random_center_node)) + 1";
+        $res = $db->querySingle($query, true);
+        if ($res != null)
+            return $res['eid'];
+        else
+            return null;
+    }
+
+    public static function getAbsoluteRandomCloudWord() {
+        $eid = NodeTestTool::getAbsoluteRandomCloudEID();
+        return NodeTestTool::getWordFromEID($eid);
+    }
+
+    public static function getRandomCloudEIDFromCentralEID($centralEID, $relNo){
+        $s = NodeTestTool::getCloudEIDsFromCentralEIDAndRelNo($centralEID, $relNo);
+        $ar = preg_split("/:/", $s);
+        if(count($ar) > 0) return $ar[rand(0, count($ar)-1)];
+        return null;
+    }
+
+    public static function getRandomCloudWordFromCentralEID($centralEID, $relNo){
+        $eid = NodeTestTool::getRandomCloudEIDFromCentralEID($centralEID, $relNo);
+        if($eid != null) return NodeTestTool::getWordFromEID($eid);
+        return null;
+    }
+
+    public static function getRandomCloudEIDFromCentralWord($centralWord, $relNo){
+        $centralEID = NodeTestTool::getEIDFromWord($centralWord);
+        if($centralEID != null) return NodeTestTool::getRandomCloudEIDFromCentralEID($centralEID, $relNo);
+        return null;
+    }
+
+    public static function getRandomCloudWordFromCentralWord($centralWord, $relNo){
+        $centralEID = NodeTestTool::getEIDFromWord($centralWord);
+        if($centralEID != null) return NodeTestTool::getRandomCloudWordFromCentralEID($centralEID, $relNo);
+        return null;
+    }
+
+    public static function getWordCloudDistance2($centralWord, $relNoDist1, $relNoDist2){
+        $randomCloudWord = NodeTestTool::getRandomCloudWordFromCentralWord($centralWord, $relNoDist1);
+        echo "Mot intermédiaire : " . $randomCloudWord . "<br />";
+        if(strlen($randomCloudWord) > 0)
+            return NodeTestTool::getCloudWordsFromCentralWordAndRelNo($randomCloudWord, $relNoDist2);
+        return null;
+        }
+
+    /*
+     * In the implementation of the function getWordCloudDistance2, 8 different
+     * functions could be made corresponding to returning a word cloud or an
+     * eid cloud, the naming would have to be changed to reflect the different
+     * parameters and return values...
+     */
+
+    //TODO: FROM HERE DOWN ISN4T IN nodeTest01.php START FROM HERE !!
+
+    //getRandomCloudFromCentralEID($centralEID, $numWords)
+    //getRandomCloudFromCentralWord($centralWord, $numWords)
+
+    
+    /*     * *******************************WRONG OR DISTORTED CLOUD WORDS********* */
+
+    public static function getRandomCloudEIDofCloudEID($couldEID, $relNum) {
+        
+    }
+
+    public static function getRandomCloudWordOfCloudWord($cloudWord, $relNum) {
+
+    }
+
+    /*************************ACCESSEURS************************/
+
+    public static function getRelations(){
+        return NodeTestTool::$relations;
+    }
+
+
+
+    /*     * ***********************************GD****************************** */
+
+    /**
+     * (gd) Voisins 1 saut du bon type (= relations déjà existantes)
+     * @global <type> $typer1r2
+     * @param <type> $r1
+     * @param <type> $r2
+     * @param <type> $centerEID
+     */
+    public static function gd1JumpGoodType($r1, $r2, $centerEID) {
+        global $typer1r2;
+        $db = getDB();
+        $query = "SELECT end AS eid, type = $r1 as r1, type = $r2 as r2, 
+        0 as r0, 0 as trash FROM relation WHERE start = $centerEID AND
+        $typer1r2 order by random()";
+        $result = $db->querySingle($query, true); //??
+        return $result['end']; //??
+    }
+
+    /**
+     * (gd) Voisins 1 saut via r_associated (0), donc qu'on voudrait spécifier
+     * si possible.
+     * @param <type> $centerEID
+     */
+    public static function gd1JumpViaRAssociated0($centerEID) {
+        $db = getDB();
+        $query = "SELECT end AS eid, 0.25 AS r1, 0.25 AS r2, 0.5 AS r0,
+        0 AS trash FROM relation WHERE start = $centerEid AND
+        type = 0 order by random()";
+        $result = $db->querySingle($query, true); //??
+        return $result['end']; //??
+    }
+
+    /**
+     * (gd) Voisins 1 saut via les autres relations
+     * @global  $banned_types
+     * @param <type> $centerEid
+     * @param <type> $r1
+     * @param <type> $r2
+     * @return <type> 
+     */
+    public static function gd1JumpViaOtherRelation($centerEid, $r1, $r2) {
+        global $banned_types;
+        $query = "SELECT end AS eid, 0.1 AS r1, 0.1 AS r2, 0.8 AS r0, 0 AS trash
+        FROM relation WHERE start = $centerEid AND type NOT IN
+        (0, $r1, $r2, $banned_types) ORDER BY random()";
+        $result = $db->querySingle($query, true); //??
+        return $result['end']; //??
+    }
+
+    /**
+     * (gd) Voisins 2 sauts, avec un mix de R1 et R2 pour les liens. Par ex
+     * [ A -R1-> B -R2-> C ] ou bien [ A -R2-> B -R2-> C ]
+     * Version optimisée de : "SELECT end AS eid FROM relation WHERE $typer1r2
+     * AND start IN oneHopWithType ORDER BY random();"
+     * @global  $typer1r2
+     * @param <type> $r1
+     * @param <type> $r2
+     * @param <type> $centerEid
+     * @return <type>
+     */
+    public static function gd2JumpWithMixR1R2ForLinks($r1, $r2, $centerEid) {
+        global $typer1r2;
+        $db = getDB();
+        $query = "SELECT B.end AS eid, ((A.type = $r1) + (B.type = $r1)) / 3.
+        AS r1, ((A.type = $r2) + (B.type = $r2)) / 3. AS r2, 1/6. AS r0, 1/6.
+        AS trash FROM relation AS A, relation AS B WHERE A.start = $centerEid
+        AND A.$typer1r2 AND B.start = A.end AND B.$typer1r2 ORDER BY random()";
+        $result = $db->querySingle($query, true); //??
+        return $result['end']; //??
+    }
+
+    /**
+     * (gd) Voisins 1 saut r1/r2 + 1 saut synonyme
+     * Version optimisée de : "SELECT end AS eid FROM relation WHERE start IN
+     * oneHopWithType AND type = 5 order by random()";
+     * @global  $typer1r2
+     * @param <type> $r1
+     * @param <type> $r2
+     * @param <type> $centerEid
+     * @return <type>
+     */
+    public static function gd1JumpR1DivR2Plus1JumpSynonymOneHopWithType($r1, $r2, $centerEid) {
+        global $typer1r2;
+        $db = getDB();
+        $query = "SELECT B.end AS eid, (A.type = $r1) * 0.75 as r1,
+        (A.type = $r2) * 0.75 AS r2, 0.25 AS r0, 0 AS trash FROM relation AS A,
+        relation AS B WHERE A.start = $centerEid AND A.$typer1r2 AND B.start = A.end
+        AND B.type = 5 ORDER BY random()";
+        //$result = $db->querySingle($query, true); //??
+        //return $result['end']; //??
+    }
+
+    /**
+     * Version optimisée de : "SELECT end AS eid FROM relation WHERE start IN
+     * (SELECT end FROM relation WHERE start = $centerEid AND type = 5) AND $typer1r2
+     * ORDER BY random();"
+     * @global  $typer1r2
+     * @param <type> $r1
+     * @param <type> $r2
+     * @param <type> $centerEid
+     * @return <type>
+     */
+    public static function gd1JumpR1DivR2Plus1JumpSynonym($r1, $r2, $centerEid) {
+        global $typer1r2;
+        $db = getDB();
+        $query = "SELECT B.end AS eid, (B.type = $r1) * 0.75 as r1,
+        (B.type = $r2) * 0.75 AS r2, 0.25 AS r0, 0 AS trash FROM relation AS A,
+        relation AS B WHERE A.start = $centerEid AND A.type = 5 AND B.start = A.end
+        AND B.$typer1r2 ORDER BY random()";
+        //$result = $db->querySingle($query, true); //??
+        //return $result['end']; //??
+    }
+
+    /**
+     * // Voisins 2 sauts (tous)
+     * Version optimisée de : "SELECT end AS eid, 0.1 AS r1, 0.1 AS r2, 0.3 AS r0,
+     * 0.5 AS trash FROM relation WHERE start IN (SELECT end FROM relation
+     * WHERE start = $centerEid AND type NOT IN ($banned_types)) AND type NOT IN
+     * ($banned_types) ORDER BY random();"
+     * @global $banned_types $banned_types
+     * @param <type> $centerEid
+     * @param <type> $cloudSize
+     * @return <type>
+     */
+    public static function gd2JumpAll($centerEid, $cloudSize) {
+        global $banned_types;
+        $db = getDB();
+        $query = "SELECT x AS eid, 0.1 AS r1, 0.1 AS r2, 0.3 AS r0, 0.5 AS trash
+        FROM (SELECT x FROM (SELECT X.eid + Y.dumb AS x FROM (SELECT B.end AS eid
+        FROM relation AS A, relation AS B WHERE A.type NOT IN ($banned_types)
+        AND A.start = $centerEid AND B.type NOT IN ($banned_types) AND
+        B.start = A.end LIMIT " . ($cloudSize * 4) . ") AS X, (SELECT 0 AS dumb)
+            AS  Y)) ORDER BY random()";
+        //$result = $db->querySingle($query, true); //??
+        //return $result['end']; //??
+    }
+
+    /**
+     * (gd) Centre pointe vers X, M pointe vers X aussi, on prend M.
+     * Version optimisée de : "select start as eid from relation where end in (select end from relation where start = $centerEid) and type not in ($banned_types) order by random();"
+     * Ce n'est toujours pas ça… : "select eid from (select B.start as eid from relation as A, relation as B where A.type not in ($banned_types) and A.start = $centerEid and B.type not in ($banned_types) and B.end = A.end limit 1) order by random();"
+     * Tordu, mais ça marche \o/ . En fait il faut empêcher l'optimiseur de ramener le random avant le limit (et l'optimiseur est malin… :)
+     * @global <type> $banned_types
+     * @param <type> $cloudSize
+     */
+    public static function gdXPointsToMMPointsToXTakeM($cloudSize) {
+        global $banned_types;
+        $db = getDB();
+        $query = "SELECT x as eid, 0.1 as r1, 0.1 as r2, 0.2 as r0, 0.6 as trash
+        FROM (SELECT x from (SELECT X.eid + Y.dumb AS x FROM  (SELECT
+        B.start AS eid FROM relation AS A, relation AS B WHERE A.type NOT IN
+        ($banned_types) AND A.start = $centerEid AND B.type NOT IN ($banned_types)
+        AND B.end = A.end limit " . ($cloudSize * 4) . ") AS X, (SELECT 0 AS dumb) AS Y))
+        ORDER BY random()";
+        //$result = $db->querySingle($query, true); //??
+        //return $result['end']; //??
+    }
+
+    public static function gdGetGidFromGame() {
+        return "select gid from game where gid = (abs(random()) % (select max(gid) from game))+1 or gid = (select max(gid) from game where gid > 0) order by gid limit 1;";
+    }
+
+// TODO Yoann : faire des tests d'erreur pour ces select ?
+    public static function sqlGetGamesForId($gameId) {
+        return "select gid, (select name from node where eid = eid_central_word) as name_central_word, eid_central_word, relation_1, relation_2 from game where gid = " . $gameId . ";";
+    }
+
+    public static function sqlGetWordEidAndName($gameId) {
+        return "select eid_word,(select name from node where eid=eid_word) as name_word from game_cloud where gid = " . $gameId . ";";
+    }
+
+    public static function sqlGetInformationAboutGame($gameId) {
+        return "select eid_word,(select name from node where eid=eid_word) as name_word, num, difficulty, totalWeight, probaR1, probaR2, probaR0, probaTrash from game_cloud where gid = " . $gameId . ";";
+    }
+
+    public static function sqlGameIsOK($pgid, $gid, $user) {
+        return "SELECT 'ok' FROM played_game WHERE pgid = $pgid and $gid = $gid and login = '$user' and timestamp = -1;";
+    }
+
+    public static function sqlGetScoreForUser($user) {
+        return "SELECT score FROM user WHERE login='" . $user . "';";
+    }
+
+    public static function sqlGetPlayedGameTime($pgid, $gid, $user) {
+        return "SELECT timestamp FROM played_game WHERE pgid = $pgid and $gid = $gid and login = '$user';";
+    }
+
+    public static function sqlGetNumAndScoreFromGame($pgid, $gid) {
+        return "SELECT num,score from played_game_cloud where pgid = $pgid and gid = $gid;";
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/taln/Word.php b/taln/Word.php
new file mode 100644
index 0000000..0d1d7dc
--- /dev/null
+++ b/taln/Word.php
@@ -0,0 +1,21 @@
+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+/**
+ * Description of Word
+ *
+ * @author John CHARRON
+ */
+class Word {
+    private $word;
+    private $eid;
+
+    function __construct($word, $eid){
+        $this->word = $word;
+        $this->eid = $eid;
+    }
+}
+?>
diff --git a/taln/db.php b/taln/db.php
new file mode 100755
index 0000000..5acd307
--- /dev/null
+++ b/taln/db.php
@@ -0,0 +1,25 @@
+<?php
+
+$getDBSingleton = null;
+
+function getDB() {
+	global $getDBSingleton;
+	
+	if (!$getDBSingleton) {
+		date_default_timezone_set('Europe/Paris');
+		$SQL_DBNAME = (dirname(__FILE__) . "/db");
+		if (!$getDBSingleton = new SQlite3($SQL_DBNAME)) {
+			throw new Exception("Erreur lors de l'ouverture de la base de données SQLite3", 1);
+		}
+	}
+	return $getDBSingleton;
+        
+        }
+
+function closeDB() {
+	global $getDBSingleton;
+
+	if ($getDBSingleton) $getDBSingleton->close();
+}
+
+?>
\ No newline at end of file
diff --git a/taln/index.php b/taln/index.php
new file mode 100755
index 0000000..d79a0fe
--- /dev/null
+++ b/taln/index.php
@@ -0,0 +1,21 @@
+<?php
+require_once("NodeTestTool.php");
+/*
+ * TODO: test each function entering bad data...
+ */
+$word = "maison";
+
+
+$relAr1 = NodeTestTool::getRelations();
+$relAr2 = NodeTestTool::getRelations();
+
+foreach($relAr1 AS $k1 => $v1){
+    foreach($relAr2 AS $k2 => $v2){
+        echo "Mot : " . $word . " - " . $v1 . " - " . $v2 . " - " . "<br />";
+        echo "Nuage : " . NodeTestTool::getWordCloudDistance2($word, $k1, $k2) . "<br /><br />";
+    }
+    echo "<br />";
+}
+
+
+?>
diff --git a/taln/nbproject/private/private.properties b/taln/nbproject/private/private.properties
new file mode 100644
index 0000000..3062a9e
--- /dev/null
+++ b/taln/nbproject/private/private.properties
@@ -0,0 +1,2 @@
+index.file=index.php
+url=http://localhost/~user/AlgoGenNuage01/
diff --git a/taln/nbproject/private/private.xml b/taln/nbproject/private/private.xml
new file mode 100644
index 0000000..c1f155a
--- /dev/null
+++ b/taln/nbproject/private/private.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project-private xmlns="http://www.netbeans.org/ns/project-private/1">
+    <editor-bookmarks xmlns="http://www.netbeans.org/ns/editor-bookmarks/1"/>
+</project-private>
diff --git a/taln/nbproject/project.properties b/taln/nbproject/project.properties
new file mode 100644
index 0000000..6ffde2f
--- /dev/null
+++ b/taln/nbproject/project.properties
@@ -0,0 +1,7 @@
+include.path=${php.global.include.path}
+php.version=PHP_5
+source.encoding=UTF-8
+src.dir=.
+tags.asp=false
+tags.short=true
+web.root=.
diff --git a/taln/nbproject/project.xml b/taln/nbproject/project.xml
new file mode 100644
index 0000000..4cb168b
--- /dev/null
+++ b/taln/nbproject/project.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://www.netbeans.org/ns/project/1">
+    <type>org.netbeans.modules.php.project</type>
+    <configuration>
+        <data xmlns="http://www.netbeans.org/ns/php-project/1">
+            <name>AlgoGenNuage01</name>
+        </data>
+    </configuration>
+</project>
diff --git a/taln/nodeTest01.php b/taln/nodeTest01.php
new file mode 100644
index 0000000..fdf2525
--- /dev/null
+++ b/taln/nodeTest01.php
@@ -0,0 +1,113 @@
+<?php
+require_once("NodeTestTool.php");
+
+$word = "chemin";
+$eid = 4455;
+$relNo = 0;
+echo '$word = ' . $word . "<br />";
+echo '$eid = ' . $eid . ' ($word and $eid DO NOT correspond here)' . "<br />";
+echo '$relNo = ' . $relNo . "<br />";
+echo "<br />";
+
+echo 'NodeTestTool::getPOSsFromEID($eid) : ';
+echo NodeTestTool::getPOSsFromEID($eid);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getPOSsFromWord($word) : ';
+echo NodeTestTool::getPOSsFromWord($word);
+echo "<br /><br />";
+
+echo 'NodeTestTool::isEIDInDB($eid) : ';
+echo NodeTestTool::isEIDInDB($eid);
+echo "<br /><br />";
+
+echo 'NodeTestTool::isWordInDB($word) : ';
+echo NodeTestTool::isWordInDB($word);
+echo "<br /><br />";
+
+echo 'NodeTestTool::isCentralEIDinDB($eid) : ';
+echo NodeTestTool::isCentralEIDinDB($eid);
+echo "<br /><br />";
+
+echo 'NodeTestTool::isCentralWordInDB($word) : ';
+echo NodeTestTool::isCentralWordInDB($word);
+echo "<br /><br />";
+
+echo 'NodeTestTool::isCloudEIDInDB($eid) : ';
+echo NodeTestTool::isCloudEIDInDB($eid);
+echo "<br /><br />";
+
+echo 'NodeTestTool::isCloudWordInDB($word) : ';
+echo NodeTestTool::isCloudWordInDB($word);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getRandomCentralEID() : ';
+echo NodeTestTool::getRandomCentralEID();
+echo "<br /><br />";
+
+echo 'NodeTestTool::getRandomCentralWord() : ';
+echo NodeTestTool::getRandomCentralWord();
+echo "<br /><br />";
+
+echo 'NodeTestTool::getCloudEIDsFromCentralEIDAndRelNo($eid, $relNo) : ';
+echo NodeTestTool::getCloudEIDsFromCentralEIDAndRelNo($eid, $relNo);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getCloudWordsFromCentralEIDAndRelNo($eid, $relNo) : ';
+echo NodeTestTool::getCloudWordsFromCentralEIDAndRelNo($eid, $relNo);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getCloudEIDsFromCentralWordAndRelNo($word, $relNo) : ';
+echo NodeTestTool::getCloudEIDsFromCentralWordAndRelNo($word, $relNo);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getCloudWordsFromCentralWordAndRelNo($word, $relNo) : ';
+echo NodeTestTool::getCloudWordsFromCentralWordAndRelNo($word, $relNo);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getAllCloudEIDsFromCentralEID($eid) : <br />';
+echo NodeTestTool::getAllCloudEIDsFromCentralEID($eid);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getAllCloudWordsFromCentralEID($eid) : <br />';
+echo NodeTestTool::getAllCloudWordsFromCentralEID($eid);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getAllCloudEIDsFromCentralWord($word) : <br />';
+echo NodeTestTool::getAllCloudEIDsFromCentralWord($word);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getAllCloudWordsFromCentralWord($word) : <br />';
+echo NodeTestTool::getAllCloudWordsFromCentralWord($word);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getAbsoluteRandomCloudEID() : ';
+echo NodeTestTool::getAbsoluteRandomCloudEID();
+echo "<br /><br />";
+
+echo 'NodeTestTool::getAbsoluteRandomCloudWord() : ';
+echo NodeTestTool::getAbsoluteRandomCloudWord();
+echo "<br /><br />";
+
+echo 'NodeTestTool::getRandomCloudEIDFromCentralEID($eid, $relNo) : ';
+echo NodeTestTool::getRandomCloudEIDFromCentralEID($eid, $relNo);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getRandomCloudWordFromCentralEID($eid, $relNo) : ';
+echo NodeTestTool::getRandomCloudWordFromCentralEID($eid, $relNo);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getRandomCloudEIDFromCentralWord($word, $relNo) : ';
+echo NodeTestTool::getRandomCloudEIDFromCentralWord($word, $relNo);
+echo "<br /><br />";
+
+echo 'NodeTestTool::getRandomCloudWordFromCentralWord($word, $relNo) : ';
+echo NodeTestTool::getRandomCloudWordFromCentralWord($word, $relNo);
+echo "<br /><br />";
+
+$word2 = "joli";
+
+echo "Antonyms of an antonym of " . $word2 . ": ";
+echo NodeTestTool::getWordCloudDistance2($word2, 5, 5);
+echo "<br /><br />";
+?>
diff --git a/taln/nodeTest02.php b/taln/nodeTest02.php
new file mode 100644
index 0000000..d79a0fe
--- /dev/null
+++ b/taln/nodeTest02.php
@@ -0,0 +1,21 @@
+<?php
+require_once("NodeTestTool.php");
+/*
+ * TODO: test each function entering bad data...
+ */
+$word = "maison";
+
+
+$relAr1 = NodeTestTool::getRelations();
+$relAr2 = NodeTestTool::getRelations();
+
+foreach($relAr1 AS $k1 => $v1){
+    foreach($relAr2 AS $k2 => $v2){
+        echo "Mot : " . $word . " - " . $v1 . " - " . $v2 . " - " . "<br />";
+        echo "Nuage : " . NodeTestTool::getWordCloudDistance2($word, $k1, $k2) . "<br /><br />";
+    }
+    echo "<br />";
+}
+
+
+?>
diff --git a/taln/pticlic.php b/taln/pticlic.php
new file mode 100755
index 0000000..3a59da9
--- /dev/null
+++ b/taln/pticlic.php
@@ -0,0 +1,676 @@
+<?php
+
+require_once("relations.php");
+require_once("db.php");
+require_once("ressources/errors.inc");
+
+/* Les prototypes des fonctions :
+* ===============================>
+*   checkLogin($user, $passwd);
+*   randomCenterNode();
+*   randomCloudNode();
+*   cgBuildResultSets($cloudSize, $centerEid, $r1, $r2);
+*   cgChooseRelations();
+*   cgBuildCloud($centerEid, $cloudSize, $sources, $sumWeights);
+*   cgInsert($centerEid, $cloud, $r1, $r2, $totalDifficulty);
+*   randomGameCore();
+*   randomGame();
+*   formatWord($word);
+*   game2json($user, $gameId);
+*   game2array($user, $gameId);
+*   createGame($nbParties, $mode);
+*   createGameCore($cloudSize);
+*   getGame($user, $nbGames, $mode);
+*   computeScore($probas, $difficulty, $answer, $userReputation);
+*   computeUserReputation($score);
+*   normalizeProbas($row);
+*   setGame($user, $pgid, $gid, $answers);
+*   get_game_relations();
+	getGameRelationsJSON();
+*   setGameGetScore($user, $pgid, $gid, $answers);
+*   insertNode($node);
+*   getNodeEid($node);
+*/
+
+
+/**  Vérifie la validité du couple nom d'utilisateur / mot de passe.
+* @param user : Le nom d'utilisateur.
+* @param passwd : Le mot de passe.
+* @return boolean : true si OK sinon false.
+*/
+function checkLogin($user, $passwd) {
+	$db = getDB();
+	$hashPasswd = md5($passwd);
+	$loginIsOk = ($hashPasswd == $db->querySingle(sqlGetPassword($user)));
+	return $loginIsOk;
+}
+
+/** Selectionne aléatoirement l'eid d'un mot central.
+* @return eid : Identifiant d'un mot central, NULL en cas d'erreur.
+*/
+function randomCenterNode()
+{
+	$db = getDB();
+	return $db->querySingle(sqlGetEIDCenterNode());
+}
+
+/** Selectionne aléatoirement un noeud d'un nuage.
+* @return eid : L'identifiant du noeud.
+*/
+function randomCloudNode()
+{
+	$db = getDB();
+	return $db->querySingle(sqlGetEIRCloudNode());
+}
+
+/**
+* @param cloudSize : Taille du nuage.
+* @param centerEid : Identifiant du mot central.
+* @param r1 Type de la relation 1.
+* @param r2 Type de la relation 2.
+*/
+function cgBuildResultSets($cloudSize, $centerEid, $r1, $r2)
+{
+	$db = getDB();
+	// 'w' => weight (poids), 'd' => difficulté, 's' => select
+	// Le select doit ranvoyer trois colonnes :
+	//   eid => l'eid du mot à mettre dans le nuage,
+	//   r1 => la probabilité pour que le mot soit dans r1, entre -1 et 1 (négatif = ne devrait pas y être, positif = devrait y être à coup sûr, 0 = on sait pas).
+	
+	$sources = array(
+		array('w'=>40, 'd'=>1, 's'=>sql1JumpGoodType($r1, $r2, $centerEid)),
+		array('w'=>40, 'd'=>2, 's'=>sql1JumpViaRAssociated0($centerEid)),
+		array('w'=>20, 'd'=>3.1, 's'=>sql1JumpViaOtherRelation($centerEid, $r1, $r2, $banned_types)),
+		array('w'=>30, 'd'=>3.2, 's'=>sql2JumpWithMixR1R2ForLinks($r1, $r2, $centerEid)),
+		array('w'=>20, 'd'=>5, 's'=>sql1JumpR1DivR2Plus1JumpSynonymOneHopWithType($r1, $r2, $centerEid)),
+		array('w'=>20, 'd'=>6, 's'=>sql1JumpR1DivR2Plus1JumpSynonym($r1, $r2, $centerEid)),
+		array('w'=>10, 'd'=>8, 's'=>sql2JumpAll($centerEid, $cloudSize)),
+		array('w'=>10, 'd'=>8, 's'=>sqlXPointsToMMPointsToXTakeM($cloudSize)),
+		'rand' => array('w'=>5, 'd'=>10, 's'=>false) // random. Le r1 et r2 de random sont juste en-dessous
+	);
+
+	$sumWeights = 0;
+	
+	foreach ($sources as $k => $x)
+	{
+		$sumWeights += $x['w'];
+		$sources[$k]['rsPos'] = 0;
+		$sources[$k]['rsSize'] = 0;
+		
+		if ($x['s'] !== false)
+		{
+			$sources[$k]['resultSet'] = array();
+			$res = $db->query($x['s']);
+			$i = 0;
+			
+			while ($i < 10 && $sources[$k]['resultSet'][] = $res->fetchArray())
+			{
+				$i++;
+				$sources[$k]['rsSize']++;
+			}
+		} 
+		else
+		{
+			$sources[$k]['resultSet'] = array();
+			
+			for ($i = 0; $i < 10; $i++)
+			{
+				$sources[$k]['resultSet'][] = array('eid'=>randomCloudNode(), 'r1'=>0, 'r2'=>0, 'r0'=>0, 'trash'=>1);
+				$sources[$k]['rsSize']++;
+			}
+		}
+	}
+
+	return array($sources, $sumWeights);
+}
+
+
+/** Sélectionne aléatoirement deux relations.
+* @return array : Tableau avec la relation 1 et la relation 2.
+*/
+function cgChooseRelations()
+{
+	$relations = array(5, 7, 9, 10);// /* Pas d'icônes pour celles-ci. */ 13, 14, 22);
+	$r1 = rand(0,count($relations)-1);
+	$r2 = rand(0,count($relations)-2);
+
+	if ($r2 >= $r1)
+		$r2++;
+
+	$r1 = $relations[$r1];
+	$r2 = $relations[$r2];
+
+	return array($r1, $r2);
+}
+
+/** Génération d'un nuage pour un mot central.
+* @param cloudSize : Taille du nuage.
+* @param sources Les sources.
+* @param sumWeights La somme des poids.
+* @return array : Tableau avec comme premier élément le nuage et comme second élément le total de difficulté.
+*/
+function cgBuildCloud($centerEid, $cloudSize, $sources, $sumWeights)
+{
+	$db = getDB();
+	// On boucle tant qu'il n'y a pas eu au moins 2 sources épuisées
+	$cloud = array();
+	$nbFailed = 0;
+	$i = 0;
+	$totalDifficulty = 0;
+	
+	while ($i < $cloudSize && $nbFailed < 10*$cloudSize)
+	{
+		// On choisit une source aléatoire en tennant compte des poids.
+		$rands = rand(1,$sumWeights);
+		$sumw = 0;
+		if (!isset($sources['rand'])) {
+			break;
+		}
+		$src = $sources['rand'];
+		$srck = 'rand';
+
+		// Sélection d'une source aléatoire
+		foreach ($sources as $k => $x)
+		{
+			$sumw += $x['w'];
+			
+			if ($rands < $sumw)
+			{
+				$src = $x;
+				$srck = $k;
+				break;
+			}
+		}
+		
+		// Vérification si on est à la fin du ResultSet de cette source.
+		if ($src['rsPos'] >= $src['rsSize'])
+		{
+			$nbFailed++;
+
+			$sumWeights -= $src['w'];
+			unset($sources[$srck]);
+
+			continue;
+		}
+		
+		// On récupère un résultat de cette source.
+		$res = $src['resultSet'][$src['rsPos']];
+		$sources[$srck]['rsPos']++;
+
+		// On vérifie si le mot n'a pas déjà été sélectionné.
+		$rejected = false;
+		// Ne pas mettre le mot central dans le nuage.
+		if ($res['eid'] == $centerEid) { continue; }
+		$nodeName = $db->querySingle(sqlGetNameFromNode($res));
+		if (substr($nodeName, 0, 2) == "::") { continue; }
+		foreach ($cloud as $c) {
+			if ($c['eid'] == $res['eid']) {
+				$nbFailed++;
+				$rejected = true;
+				break;
+			}
+		}
+		if ($rejected) { continue; }
+
+		// position dans le nuage, difficulté, eid, probaR1, probaR2
+		$totalDifficulty += $src['d'];
+		$cloud[$i] = array('pos'=>$i++, 'd'=>$src['d'], 'eid'=>$res['eid'], 'probaR1'=>$res['r1'], 'probaR2'=>$res['r2'], 'probaR0'=>$res['r0'], 'probaTrash'=>$res['trash']);
+	}
+
+	$res = $sources['rand']['resultSet'][0];
+	
+	while ($i < $cloudSize)
+	{
+		$totalDifficulty += $sources['rand']['d'];
+		$cloud[$i] = array('pos'=>$i++, 'd'=>$sources['rand']['d'], 'eid'=>randomCloudNode(), 'probaR1'=>$res['r1'], 'probaR2'=>$res['r2'], 'probaR0'=>$res['r0'], 'probaTrash'=>$res['trash']);
+	}
+
+	return array($cloud, $totalDifficulty);
+}
+
+
+/** Insère la partie dans la base de données.
+* @param centerEid : Identifiant du mot central.
+* @param cloud : Le nuage.
+* @param r1 : Le type de la relation 1.
+* @param r2 : Le type de la relation 2.
+* @param totalDifficulty : La difficulté totale.
+*/
+function cgInsert($centerEid, $cloud, $r1, $r2, $totalDifficulty)
+{
+	$db = getDB();
+	// Insère dans la base une partie avec le mot central $centerEid, le nuage $cloud et les relations $r1 et $r2
+	$db->exec("begin transaction;");
+	$db->exec("INSERT INTO game(gid, eid_central_word, relation_1, relation_2, difficulty)
+		   VALUES (null, $centerEid, $r1, $r2, $totalDifficulty);");
+	$gid = $db->lastInsertRowID();
+	
+	$t = time();
+	$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
+		   VALUES (null, $gid, null, $t);");
+	$pgid1 = $db->lastInsertRowID();
+	$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
+		   VALUES (null, $gid, null, $t);");
+	$pgid2 = $db->lastInsertRowID();
+	$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
+		   VALUES (null, $gid, null, $t);");
+	$pgid0 = $db->lastInsertRowID();
+	$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp)
+		   VALUES (null, $gid, null, $t);");
+	$pgidT = $db->lastInsertRowID();
+
+	// TODO : R0 et Trash + corrections
+	foreach ($cloud as $c)
+	{
+		$totalWeight = $c['probaR1'] + $c['probaR2'] + $c['probaR0'] + $c['probaTrash'];
+		$db->exec("INSERT INTO game_cloud(gid, num, difficulty, eid_word, totalWeight, probaR1, probaR2, probaR0, probaTrash)
+			   VALUES ($gid, ".$c['pos'].", ".$c['d'].", ".$c['eid'].", $totalWeight, ".$c['probaR1'].", ".$c['probaR2'].", ".$c['probaR0'].", ".$c['probaTrash'].");");
+		
+		$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
+			   VALUES ($pgid1, $gid, 0, ".$c['pos'].", $r1, ".$c['probaR1'].", 0);");
+
+		$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
+			   VALUES ($pgid2, $gid, 0, ".$c['pos'].", $r2, ".$c['probaR2'].", 0);");
+
+		$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
+			   VALUES ($pgid0, $gid, 0, ".$c['pos'].", 0, ".$c['probaR0'].", 0);");
+
+		$db->exec("INSERT INTO played_game_cloud(pgid, gid, type, num, relation, weight, score)
+			   VALUES ($pgidT, $gid, 0, ".$c['pos'].", -1, ".$c['probaTrash'].", 0);");
+	}
+
+	$db->exec("commit;");
+}
+
+/** Retourne un identifiant de partie aléatoire de la liste de parties jouables
+* @return gid : Identifiant de partie.
+*/
+function randomGameCore() {
+	$db = getDB();
+	return $db->querySingle(sqlGetGidFromGame());
+}
+
+/** Sélection aléatoire d'une partie de la base de données parmis les parties à jouer.
+* @return gid : Identifiant de la partie selectionnée.
+*/
+function randomGame()
+{
+	$gid = randomGameCore();
+
+	if ($gid === null) {
+		// TODO : séparer ces créations de parties dans une fonction qui détecte le mode toussa.
+		for ($i = 0; $i < 100; $i++)
+			createGameCore(10);
+
+		$gid = randomGameCore();
+
+		if ($gid === null)
+			errGetGame();
+	}
+	return $gid;
+}
+
+/** Formatage des mots lorsqu'il y a des généralisations/spécifications par le symbole ">".
+* @param word : Le mot que l'on veut reformater.
+* @return word : le mot formaté.
+*/
+function formatWord($word) {
+	$db = getDB();
+	$res = "";
+	$stack = array();
+
+	while (($pos = strpos($word, ">")) !== false) {
+		$res .= substr($word,0,$pos) . " (";
+		$eid = intval(substr($word,$pos+1));
+		if ($eid == 0) { errFollowingPointer($word);  }
+		if (in_array($eid, $stack)) { errLoopDetected($word);  }
+		if (count($stack) > 10) { errTooMuchRecursion($word);  }
+		$stack[] = $eid;
+		$word = $db->querySingle(sqlGetNameFromNodeWithEid($eid));
+	}
+
+	$res .= $word;
+
+	for ($depth = count($stack); $depth > 0; $depth--)
+		$res .= ')';
+
+	return $res;
+}
+
+/** Formate une partie en JSON en l'imprimant.
+* @param user : l'utilisateur.
+* @param gameId : L'identifiant d'une partie.
+*/
+function game2json($user, $gameId)
+{
+	$db = getDB();
+	// TODO : factoriser avec game2array() .
+	// TODO : planter si la requête suivante échoue pour quelque raison que ce soit.
+	$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp) VALUES (null, ".$gameId.", '$user', -1);");
+	$pgid = $db->lastInsertRowID();
+	
+	$game = $db->query(sqlGetGamesForId($gameId));
+	$game = $game->fetchArray();
+	
+	$retstr = "";
+	$retstr .= '{"gid":'.$gameId.',"pgid":'.$pgid.',"cat1":'.$game['relation_1'].',"cat2":'.$game['relation_2'].',"cat3":0,"cat4":-1,';
+	$retstr .= '"center":{"id":'.$game['eid_central_word'].',"name":'.json_encode(''.formatWord($game['name_central_word'])).'},';
+	$retstr .= '"cloudsize":10,"cloud":['; // TODO ! compter dynamiquement.
+	
+	$res = $db->query(sqlGetWordEidAndName($gameId));
+	$notfirst = false;
+	
+	while ($x = $res->fetchArray())
+	{
+		if ($notfirst) 
+			$retstr .= ",";
+		else
+			$notfirst=true;
+
+		$retstr .= '{"id":'.$x['eid_word'].',"name":'.json_encode("".formatWord($x['name_word'])).'}';
+	}
+
+	$retstr .= "]}";
+	return $retstr;
+}
+
+/** Récupère une partie sous forme de tableau.
+* @param db : descripteur de la bdd (obtenu avec getDB()).
+* @param user : Login de l'utilisateur demandant la partie.
+* @param gameId : L'identifiant d'une partie.
+*/
+function game2array($user, $gameId)
+{
+	$db = getDB();
+	// TODO : planter si la requête suivante échoue pour quelque raison que ce soit.
+	$db->exec("INSERT INTO played_game(pgid, gid, login, timestamp) VALUES (null, ".$gameId.", '$user', -1);");
+	$pgid = $db->lastInsertRowID();
+	
+	// TODO Yoann : faire des tests d'erreur pour ces select ?
+	$game = $db->query(sqlGetGamesForId($gameId));
+	$game = $game->fetchArray();
+
+	$ret = array();
+	$ret['gid'] = $gameId;
+	$ret['pgid'] = $pgid;
+	$ret['cat1'] = $game['relation_1'];
+	$ret['cat2'] = $game['relation_2'];
+	$ret['cat3'] = 0;
+	$ret['cat4'] = -1;
+	$ret['center'] = array('id' => $game['eid_central_word'], 'name' => formatWord($game['name_central_word']));
+	$ret['cloud'] = array(); // TODO ! compter dynamiquement.
+	
+	$res = $db->query(sqlGetInformationAboutGame($gameId));
+	
+	while ($x = $res->fetchArray())
+	{
+		$ret['cloud'][$x['num']] = array(
+			'id' => $x['eid_word'],
+			'name' => formatWord($x['name_word']),
+			'difficulty' => $x['difficulty'],
+			'totalWeight' => $x['totalWeight'],
+			'probaR1' => $x['probaR1'],
+			'probaR2' => $x['probaR2'],
+			'probaR0' => $x['probaR0'],
+			'probaTrash' => $x['probaTrash'],
+			'probas' => normalizeProbas($x)
+		);
+	}
+	
+	$ret['cloudsize'] = count($ret['cloud']);
+	return $ret;
+}
+
+
+/** Création d'un lot de parties suivant un mode donnée.
+* @param nbParties : le nombre de parties à créer.
+* @param mode : Le mode de jeu pour les parties à créer.
+*/
+function createGame($nbParties, $mode)
+{
+	for ($i = 0; $i < $nbParties; $i++)
+		createGameCore(10);
+}
+
+/** Génère une partie (mode normal pour l'instant) pour une certaine taille de nuage.
+* @param cloudSize : Taille du nuage.
+*
+* Est appelée par randomGame(), donc il faudra adapter quand on aura plusieurs modes, par exemple en ayant une fonction intermédiaire qui puisse être appelée par createGame et randomGame.
+*/
+function createGameCore($cloudSize)
+{
+	// select random node
+	$centerEid = randomCenterNode();
+
+	$r1 = cgChooseRelations(); $r2 = $r1[1]; $r1 = $r1[0];
+	$sources = cgBuildResultSets($cloudSize, $centerEid, $r1, $r2); $sumWeights = $sources[1]; $sources = $sources[0];
+	$cloud = cgBuildCloud($centerEid, $cloudSize, $sources, $sumWeights); $totalDifficulty = $cloud[1]; $cloud = $cloud[0];
+	cgInsert($centerEid, $cloud, $r1, $r2, $totalDifficulty);
+}
+
+/** Récupération d'une partie.
+* @param user : L'identifiant de l'utilisateur.
+* @param nbGames : Le nombre de parties à récupérer.
+* @param mode : Le mode de jeu des parties à récupérer.
+*/
+function getGame($user, $nbGames, $mode)
+{
+	echo "[";
+
+	for ($i=0; $i < $nbGames; $i)
+	{
+		echo game2json($user, randomGame());
+
+		if ((++$i) < $nbGames)
+			echo ",";
+	}
+	
+	echo "]";
+}
+
+
+function computeScore($probas, $difficulty, $answer, $userReputation) {
+	// Calcul du score. Score = proba[réponse de l'utilisateur]*coeff1 - proba[autres reponses]*coeff2 + bonus
+	// score = - proba[autres reponses]*coeff2
+	// On aura donc -5 <= score <= 0
+	$score = -5 * (($probas[0] + $probas[1] + $probas[2] + $probas[3]) - $probas[$answer]);
+	
+	// score = proba[réponse de l'utilisateur]*coeff1 - proba[autres reponses]*coeff2
+	// On aura donc -5 <= score <= 10
+	$score += 10 * $probas[$answer];
+	
+	// On est indulgent si la réponse est 3 (poubelle) :
+	if ($answer == 3 && $score < 0) {
+		$score = $score / 2;
+	}
+	
+	// Adapter le score en fonction de la réputation de l'utilisateur (quand il est jeune, augmenter le score pour le motiver).
+	// On aura donc -5 <= score <= 15
+	if ($score > 3) {
+		$score += max(0, min(5, 5 - $userReputation));
+	}
+	
+	return round($score);
+}
+
+/** Calcul de la réputation de l'utilisateur selon son score.
+* @param score : Le score du joueur.
+*/
+function computeUserReputation($score) {
+	return max(round(log($score/10)*100)/100, 0);
+}
+
+/** Formatage des probalitées dans un tableau.
+* @param row : le vecteur de probabilités.
+* @return array : Le vecteur de probabilités normalisé.
+*/
+function normalizeProbas($row) {
+	return array($row['probaR1']/$row['totalWeight'], $row['probaR2']/$row['totalWeight'], $row['probaR0']/$row['totalWeight'], $row['probaTrash']/$row['totalWeight']);
+}
+
+/** Insertion des données d'une partie joué par un utilisateur.
+* @param user : L'identifiant de l'utilisateur ayant joué à la partie.
+* @param pgid : L'identifiant de la partie jouée.
+* @param gid : L'identifiant du jeu auquel la partie appartient.
+* @return score : Le score réalisé par le joueur.
+*/
+function setGame($user, $pgid, $gid, $answers)
+{
+	$db = getDB();
+	if ('ok' !== $db->querySingle(sqlGameIsOK($pgid, $gid, $user))) {
+		return getGameScores($user, $pgid, $gid);
+	}
+	
+	$userReputation = computeUserReputation($db->querySingle(sqlGetScoreForUser($user)));
+	
+	$db->exec("begin transaction;");
+	$db->exec("update played_game set timestamp = ".time()." where pgid = $pgid;");
+
+	$r0 = 0;
+	$trash = -1;
+	$r1 = $db->querySingle("SELECT relation_1, relation_2 FROM game WHERE gid = $gid;", true);
+	$r2 = $r1['relation_2'];
+	$r1 = $r1['relation_1'];
+	$res = $db->query("SELECT num, difficulty, totalWeight, probaR1, probaR2, probaR0, probaTrash FROM game_cloud WHERE gid = $gid;");
+	$gameScore = 0;
+	$scores = array();
+	$nbScores = 0;
+	
+	while ($row = $res->fetchArray())
+	{
+		$num = intval($row['num']);
+		$nbScores++;
+		if (!isset($answers[$num])) {
+			errSetPartiNoRelation($num);
+		}
+		$relanswer = intval($answers[$num]);
+
+		switch ($relanswer) 
+		{
+			case $r1:    $answer = 0; $probaRx = "probaR1"; break;
+			case $r2:    $answer = 1; $probaRx = "probaR2"; break;
+			case $r0:    $answer = 2; $probaRx = "probaR0"; break;
+			case $trash: $answer = 3; $probaRx = "probaTrash"; break;
+			default:     errAnswerInvalidForWord($r1, $r2, $r0, $trash);
+		}
+			
+		$wordScore = computeScore(normalizeProbas($row), $row['difficulty'], $answer, $userReputation);
+		$gameScore += $wordScore;
+		$scores[$num] = $wordScore;
+		
+		$db->exec("insert into played_game_cloud(pgid, gid, type, num, relation, weight, score) values($pgid, $gid, 1, $num, $r1, ".$userReputation.", ".$wordScore.");");
+		$db->exec("update game_cloud set $probaRx = $probaRx + ".max(min($userReputation/2,5),0)." where gid = $gid and num = $num;");
+		$db->exec("update game_cloud set totalWeight = totalWeight + ".max(min($userReputation/2,5),0)." where gid = $gid and num = $num;");
+	}
+	$db->exec("update user set score = score + ".$gameScore." where login = '$user';");
+
+	$db->exec("commit;");
+	$scores['total'] = $gameScore;
+	$scores['nb'] = $nbScores;
+	$scores['alreadyPlayed'] = 'false';
+	return $scores;
+}
+
+function getGameScores($user, $pgid, $gid) {
+	$db = getDB();
+	$timestamp = $db->querySingle(sqlGetPlayedGameTime($pgid, $gid, $user));
+	if ($timestamp == -1) {
+		errGameNeverPlayed();
+	} else if ($timestamp == null) {
+		errGameNotAssociatedWithUser();
+	}
+	
+	$gameScore = 0;
+	$scores = array();
+	$nbScores = 0;
+	$res = $db->query(sqlGetNumAndScoreFromGame($pgid, $gid));
+	while ($row = $res->fetchArray())
+	{
+		$nbScores++;
+		$gameScore += $row['score'];
+		$scores[$row['num']] = $row['score'];
+	}
+	$scores['total'] = $gameScore;
+	$scores['nb'] = $nbScores;
+	$scores['alreadyPlayed'] = 'true';
+	return $scores;
+}
+
+/** Fourni l'ensembles des relations pouvant apparaître dans le jeu.
+* @return array : un tableau de realtions.
+*/
+function get_game_relations()
+{
+		$reqlations = array();
+
+		$relations[] = 5;
+		$relations[] = 7;
+		$relations[] = 9;
+		$relations[] = 10;
+		$relations[] = 14;
+		$relations[] = 22;
+
+		return $relations;
+}
+
+function getGameRelationsJSON() {
+	$json = "{";
+	global $stringRelations;
+	
+	foreach($stringRelations as $id=>$description)
+		if($id == -1)
+			$json .= '"'.$id.'":"'.$description.'"';
+		else
+			$json .= ',"'.$id.'":"'.$description.'"';
+			
+	$json .= '}';
+	
+	return $json;
+}
+
+function setGameGetScore($user, $pgid, $gid, $answers) {
+	$scores = setGame($user, intval($pgid), intval($gid), $answers);
+	// On renvoie une nouvelle partie pour garder le client toujours bien alimenté.
+	echo '{"scoreTotal":'.$scores['total'];
+	echo ',"alreadyPlayed":'.$scores['alreadyPlayed'];
+	echo ',"scores":[';
+	for ($i = 0; $i < $scores['nb']; $i++) {
+		if ($i != 0) echo ',';
+		echo $scores[$i];
+	}
+	echo "],\"newGame\":";
+	echo json_encode("".game2json($user, randomGame()));
+	echo "}";
+}
+
+/** Insère dans la base de données le noeud si il n'existe pas encore.
+* @param node : le noeud à ajouter.
+*/
+function insertNode($node) {
+	$db = getDB();
+	
+	if($db->querySingle(sqlGetEidFromNode($node)) == null) {
+		$db->exec("INSERT INTO node(name,type,weight) VALUES('".SQLite3::escapeString($node)."',1,50);");
+		return true;
+	}
+
+	return false;
+}
+
+
+/** retourne l'eid d'un mot.
+* @param node : le mot dont on veut obtenir l'eid.
+*/
+
+function getNodeEid($node) {
+	$db = getDB();
+
+	return $db->querySingle(sqlGetEidFromNode($node));
+}
+
+function wordExist($node) {
+	$db = getDB();
+
+	return $db->querySingle("SELECT eid FROM node WHERE name='".SQLite3::escapeString($node)."';") ? true : false;
+}
+?>
diff --git a/taln/relations.php b/taln/relations.php
new file mode 100755
index 0000000..22ce39d
--- /dev/null
+++ b/taln/relations.php
@@ -0,0 +1,46 @@
+<?php
+
+$stringRelations = array(
+	-1 => "%mn n'est pas lié à %mc",
+	0 =>  "%mc est en rapport avec %mn",
+	//1 => "raffinement sémantique", // pas utilisé
+	//2 => "raffinement morphologique", // pas utilisé
+	//3 => "domaine", // pas utilisé
+	//4 => "r_pos", // pas utilisé
+	5 => "%mc est un synonyme de %mn",
+	6 => "%mc est une sorte de %mn",
+	7 => "Un contraire de %mc est %mn",
+	8 => "Un spécifique de %mc est %mn",
+	9 => "%mn est une partie de %mc",
+	10 => "%mc fait partie de %mn",
+	//11 => "locution", // pas utilisé
+	//12 => "potentiel de FL", // pas utilisé
+	13 => "Quoi/Qui pourrait %mc",
+	//14 => "action>patient", // pas utilisé
+	15 => "Le lieu pour %mc est %mn",
+	16 => "Un instrument pour %mc est %mn",
+	17 => "Un caractéristique de %mc est %mn",
+	//18 => "r_data", // pas utilisé
+	//19 => "r_lemma", // pas utilisé
+	//20 => "magn", // pas utilisé
+	//21 => "antimagn", // pas utilisé
+	22 => "%mc est de la même famille que %mn",
+	//29 => "predicat", // pas utilisé
+	//30 => "lieu>action", // pas utilisé
+	//31 => "action>lieu", // pas utilisé
+	//32 => "sentiment", // pas utilisé
+	//33 => "erreur", // pas utilisé
+	//34 => "manière", // pas utilisé
+	//35 => "sens/signification", // pas utilisé
+	//36 => "information potentielle", // pas utilisé
+	//37 => "rôle télique", // pas utilisé
+	//38 => "rôle agentif", // pas utilisé
+	//41 => "conséquence", // pas utilisé
+	//42 => "cause", // pas utilisé
+	//52 => "succession", // pas utilisé
+	//53 => "produit", // pas utilisé
+	//54 => "est le produit de", // pas utilisé
+	//55 => "s'oppose à"
+);
+
+?>
\ No newline at end of file
diff --git a/taln/ressources/errors.inc b/taln/ressources/errors.inc
new file mode 100644
index 0000000..e361304
--- /dev/null
+++ b/taln/ressources/errors.inc
@@ -0,0 +1,43 @@
+function errRequestIncomplete() {
+	throw new Exception("La requête est incomplète", 1);
+}
+
+function errUserUnknownOrBadPassword() {
+	throw new Exception("Utilisateur non enregistré ou mauvais mot de passe", 2);
+}
+
+function errGameNeverPlayed() {
+	throw new Exception("Cette partie n'a jamais été jouée.", 3); // TODO : code d'erreur en doublon avec celui ci-dessous.
+}
+
+function errGameNotAssociatedWithUser() {
+	throw new Exception("Cette partie n'est pas associée à votre nom d'utilisateur.", 4);
+}
+
+function errAnswerInvalidForWord($r1, $r2, $r0, $trash) {
+	throw new Exception("Réponse ($relanswer) invalide pour le mot $num. Les réponses possibles sont : $r1, $r2, $r0, $trash", 5);
+}
+
+function errSetPartiNoRelation($num) {
+	throw new Exception("Cette requête \"Set partie\" ne donne pas de réponse (une relation) pour le mot numéro $num de la partie.", 6);
+}
+
+function errGetGame() {
+	throw new Exception("Erreur lors de la récupération de la partie. Vérifiez qu'il y a au moins une partie.", 7);
+}
+
+function errFollowingPointer($word) {
+	throw new Exception("Erreur lors du suivi des pointeurs de spécialisation du mot $word.", 8); }
+}
+
+function errLoopDetected($word) {
+	throw new Exception("Boucle rencontrée lors du suivi des pointeurs de spécialisation du mot $word.", 9); }
+}
+
+function errTooMuchRecursion($word) {
+	throw new Exception("Trop de niveaux de récursions lors du suivi des pointeurs de spécialisation du mot $word.", 10); }
+}
+
+function errUnknownCommand() {
+	throw new Exception("Commande inconnue", 11);
+}
diff --git a/taln/ressources/sql.inc b/taln/ressources/sql.inc
new file mode 100644
index 0000000..fa48fc8
--- /dev/null
+++ b/taln/ressources/sql.inc
@@ -0,0 +1,120 @@
+<?php //$typer1r2 = "type in ($r1, $r2)";
+$banned_types = "4, 12, 36, 18, 29, 45, 46, 47, 48, 1000, 1001";
+
+function sqlGetPassword($user) {
+	return "SELECT hash_passwd FROM user WHERE login='".$user."';";
+}
+
+function sqlGetEIDCenterNode() {
+	return "select eid from random_center_node where rowid = (abs(random()) % (select max(rowid) from random_center_node))+1;";
+}
+
+function sqlGetEIRCloudNode() {
+	return "select eid from random_cloud_node where rowid = (abs(random()) % (select max(rowid) from random_cloud_node))+1;";
+}
+
+// Voisins 1 saut du bon type (= relations déjà existantes)
+function sql1JumpGoodType($r1, $r2, $centerEid) {
+	global $typer1r2;
+	
+	return "select end as eid, type = $r1 as r1, type = $r2 as r2, 0 as r0, 0 as trash from relation where start = $centerEid and $typer1r2 order by random();";
+}
+
+// Voisins 1 saut via r_associated (0), donc qu'on voudrait spécifier si possible.
+function sql1JumpViaRAssociated0($centerEid) {
+	return "select end as eid, 0.25 as r1, 0.25 as r2, 0.5 as r0, 0 as trash from relation where start = $centerEid and type = 0 order by random();";
+}
+
+// Voisins 1 saut via les autres relations
+function sql1JumpViaOtherRelation($centerEid, $r1, $r2) {
+	global $banned_types;
+	
+	return "select end as eid, 0.1 as r1, 0.1 as r2, 0.8 as r0, 0 as trash from relation where start = $centerEid and type not in (0, $r1, $r2, $banned_types) order by random();";
+}
+
+// Voisins 2 sauts, avec un mix de R1 et R2 pour les liens. Par ex [ A -R1-> B -R2-> C ] ou bien [ A -R2-> B -R2-> C ]
+// Version optimisée de : "select end as eid from relation where $typer1r2 and start in oneHopWithType order by random();"
+function sql2JumpWithMixR1R2ForLinks($r1, $r2, $centerEid) {
+	global $typer1r2;
+
+	return "select B.end as eid, ((A.type = $r1) + (B.type = $r1)) / 3. as r1, ((A.type = $r2) + (B.type = $r2)) / 3. as r2, 1/6. as r0, 1/6. as trash from relation as A, relation as B where A.start = $centerEid and A.$typer1r2 and B.start = A.end and B.$typer1r2 order by random();";
+}
+
+// Voisins 1 saut r1/r2 + 1 saut synonyme
+// Version optimisée de : "select end as eid from relation where start in oneHopWithType and type = 5 order by random()";
+function sql1JumpR1DivR2Plus1JumpSynonymOneHopWithType($r1, $r2, $centerEid) {
+	global $typer1r2;
+
+	return "select B.end as eid, (A.type = $r1) * 0.75 as r1, (A.type = $r2) * 0.75 as r2, 0.25 as r0, 0 as trash from relation as A, relation as B where A.start = $centerEid and A.$typer1r2 and B.start = A.end and B.type = 5 order by random();";
+}
+
+// Version optimisée de : "select end as eid from relation where start in (select end from relation where start = $centerEid and type = 5) and $typer1r2 order by random();"
+function sql1JumpR1DivR2Plus1JumpSynonym($r1, $r2, $centerEid) {
+	global $typer1r2;
+	
+	return "select B.end as eid, (B.type = $r1) * 0.75 as r1, (B.type = $r2) * 0.75 as r2, 0.25 as r0, 0 as trash from relation as A, relation as B where A.start = $centerEid and A.type = 5 and B.start = A.end and B.$typer1r2 order by random();";
+}
+
+// Voisins 2 sauts (tous)
+// Version optimisée de : "select end as eid, 0.1 as r1, 0.1 as r2, 0.3 as r0, 0.5 as trash from relation where start in (select end from relation where start = $centerEid and type not in ($banned_types)) and type not in ($banned_types) order by random();"
+function sql2JumpAll($centerEid, $cloudSize) {
+	global $banned_types;
+	
+	return "select x as eid, 0.1 as r1, 0.1 as r2, 0.3 as r0, 0.5 as trash from (select x from (select X.eid + Y.dumb as x from (select B.end as eid from relation as A, relation as B where A.type not in ($banned_types) and A.start = $centerEid and B.type not in ($banned_types) and B.start = A.end limit ".($cloudSize*4).") as X, (select 0 as dumb) as Y)) order by random();";
+}
+
+// Centre pointe vers X, M pointe vers X aussi, on prend M.
+// Version optimisée de : "select start as eid from relation where end in (select end from relation where start = $centerEid) and type not in ($banned_types) order by random();"
+// Ce n'est toujours pas ça… : "select eid from (select B.start as eid from relation as A, relation as B where A.type not in ($banned_types) and A.start = $centerEid and B.type not in ($banned_types) and B.end = A.end limit 1) order by random();"
+// Tordu, mais ça marche \o/ . En fait il faut empêcher l'optimiseur de ramener le random avant le limit (et l'optimiseur est malin… :)
+function sqlXPointsToMMPointsToXTakeM($cloudSize) {
+	global $banned_types;
+	
+	return "select x as eid, 0.1 as r1, 0.1 as r2, 0.2 as r0, 0.6 as trash from (select x from (select X.eid + Y.dumb as x from (select B.start as eid from relation as A, relation as B where A.type not in ($banned_types) and A.start = $centerEid and B.type not in ($banned_types) and B.end = A.end limit ".($cloudSize*4).") as X, (select 0 as dumb) as Y)) order by random();";
+}
+
+function sqlGetNameFromNode($res) {
+	return "select name from node where eid=".$res['eid'].";";
+}
+
+function sqlGetGidFromGame() {
+	return "select gid from game where gid = (abs(random()) % (select max(gid) from game))+1 or gid = (select max(gid) from game where gid > 0) order by gid limit 1;";
+}
+
+function sqlGetNameFromNodeWithEid($eid) {
+	return "select name from node where eid = $eid";
+}
+
+// TODO Yoann : faire des tests d'erreur pour ces select ?
+function sqlGetGamesForId($gameId) {
+	return "select gid, (select name from node where eid = eid_central_word) as name_central_word, eid_central_word, relation_1, relation_2 from game where gid = ".$gameId.";";
+}
+
+function sqlGetWordEidAndName($gameId) {
+	return "select eid_word,(select name from node where eid=eid_word) as name_word from game_cloud where gid = ".$gameId.";";
+}
+
+function sqlGetInformationAboutGame($gameId) {
+	return "select eid_word,(select name from node where eid=eid_word) as name_word, num, difficulty, totalWeight, probaR1, probaR2, probaR0, probaTrash from game_cloud where gid = ".$gameId.";";
+}
+
+function sqlGameIsOK($pgid, $gid, $user) {
+	return "SELECT 'ok' FROM played_game WHERE pgid = $pgid and $gid = $gid and login = '$user' and timestamp = -1;";
+}
+
+function sqlGetScoreForUser($user) {
+	return "SELECT score FROM user WHERE login='".$user."';";
+}
+
+function sqlGetPlayedGameTime($pgid, $gid, $user) {
+	return "SELECT timestamp FROM played_game WHERE pgid = $pgid and $gid = $gid and login = '$user';";
+}
+
+function sqlGetNumAndScoreFromGame($pgid, $gid) {
+	return "SELECT num,score from played_game_cloud where pgid = $pgid and gid = $gid;";
+}
+
+function sqlGetEidFromNode($node) {
+	return "SELECT eid FROM node WHERE name='".SQLite3::escapeString($node)."'";
+}
+?>
\ No newline at end of file
diff --git a/taln/test.php b/taln/test.php
new file mode 100644
index 0000000..c97f1f6
--- /dev/null
+++ b/taln/test.php
@@ -0,0 +1,59 @@
+<?php
+require_once("db.php");
+require_once("NodeTools.php");
+?>
+
+<html>
+<head></head>
+<body> 
+<?php
+$db = getDB();
+//var_dump($db->querySingle('SELECT * FROM user'));
+//echo "<br /> ------------------<br />";
+//print_r($db->querySingle('SELECT * FROM user', true));
+
+/*
+$res = $db->query('SELECT * FROM type_relation');
+echo "<br /><br />";
+	while ($x = $res->fetchArray()){
+		echo $x['name'];
+                echo "<br />";
+	}
+*/
+
+//echo "<br /><br />";
+//echo "**************";
+$nt = new NodeTools();
+//$wordEID = $nt->fetchRandomCentralEID();
+
+//$nt->generateRandomGame();
+
+//echo $nt->getPOS(35798);
+//$nt->getWordCloud(35798);
+//echo $nt->toString();
+
+//echo "<br /><br />";
+//echo "**************";
+
+echo "<br />Part of Speech Experiment No. 1<br />";
+$POS = $nt->getPOS(35798);
+foreach($POS AS $k => $v){
+    echo "POS value: ".$v."<br />";
+}
+
+echo "<br />Word Cloud Experiment No. 1<br />";
+$cloudWords = $nt->getWordCloud(35798);
+foreach($cloudWords AS $k => $v){
+    foreach($cloudWords[$k] AS $k2 => $v2){
+        echo "Relation No. ".$k.": ".$cloudWords[$k][$k2]."<br />";
+    }
+}
+
+echo "<br />Experiment No. 2<br />";
+$nt2 = new NodeTools();
+$ndObject = $nt2->generateGame(35798);
+echo $ndObject->toString();
+
+?>
+</body>
+</html>
\ No newline at end of file
diff --git a/taln/whiteboard.php b/taln/whiteboard.php
new file mode 100644
index 0000000..79a8206
--- /dev/null
+++ b/taln/whiteboard.php
@@ -0,0 +1,46 @@
+<?php
+require_once("NodeTools.php");
+
+
+$node = NodeTools::getRandomCenterEID();
+echo $node;
+echo "<br />";
+
+
+
+
+?>
+<html>
+<form name="input" action="whiteboard.php" method="get">
+Mot central : <input type="text" name="word" />
+<input type="submit" value="Submit" />
+</form>
+
+<?php
+
+if(isset($_GET['word'])){
+    $word = $_GET['word'];
+    unset($_GET['word']);
+    $wordInDB = NodeTools::isWordInDB($word);
+    if(!$wordInDB) echo "<p>ERREUR : le mot '$word' n'est pas dans la base de données !</p>";
+    else echo "<p>Le mot '$word' est bien dans la base de données !</p>";
+    echo "Central word: " . $_GET['word']."<br />";
+    //echo "Parts of speech: "
+}
+
+$myEID = 4743;
+$myWord = "chat";
+$word = NodeTools::getWordFromEID($myEID);
+echo $word . "<br />";
+$eid = NodeTools::getEIDFromWord($myWord);
+echo $eid. "<br />";
+$pos = NodeTools::getPOSsFromEID($myEID);
+echo $pos . "<br />";
+$cloud = NodeTools::getCloudFromEID($myEID, 0);
+echo $cloud . "<br />";
+$allClouds = NodeTools::getAllCloudsFromEID($myEID);
+echo $allClouds . "<br />";
+$allClouds2 = NodeTools::getAllCloudsFromWord($myWord);
+echo $allClouds2 . "<br />";
+
+?>
\ No newline at end of file