[FIX] Cooc request improved.

analysis/cooccurrences.py

@@ -56,7 +56,8 @@ def cooc(corpus=None
 
     doc_id = cache.NodeType['Document'].id
 
-    cooc_query = (session.query(NodeNgramX.ngram_id, NodeNgramY.ngram_id, func.count())
+    cooc_query = (session.query(NodeNgramX.ngram_id, NodeNgramY.ngram_id, 
+                    func.sqrt(func.sum(NodeNgram.weight) * func.sum(NodeNgraY.wei)))
              .join(Node, Node.id == NodeNgramX.node_id)
              .join(NodeNgramY, NodeNgramY.node_id == Node.id)
              .filter(Node.parent_id==corpus.id, Node.type_id==doc_id)

analysis/functions.py

@@ -229,10 +229,10 @@ def get_cooc(request=None, corpus=None, cooc_id=None, type='node_link', size=siz
     #print(n)
     #print(m)
 
-    nodes_included = 1000 #int(round(size/20,0))
+    nodes_included = 300 #int(round(size/20,0))
     #nodes_excluded = int(round(size/10,0))
 
-    nodes_specific = 1000 #int(round(size/10,0))
+    nodes_specific = 300 #int(round(size/10,0))
     #nodes_generic = int(round(size/10,0))
 
     # TODO user the included score for the node size