ngrams/list/cooc classes

documents/models.py

@@ -4,7 +4,13 @@ from django.db import models
 from django.utils import timezone
 from django_hstore import hstore
 
-#
+
+######################################################################
+# DATABASES / LANGUAGES 
+# PROJECT / CORPUS / DOCUMENT
+######################################################################
+
+
 class Database(models.Model):
     """
     Web Of Science, Europresse, Pubmed...
@@ -13,7 +19,6 @@ class Database(models.Model):
         return self.database
     database      = models.CharField(max_length=50, unique=True)
 
-
 class Language(models.Model):
     """
     French or english or...
@@ -68,8 +73,6 @@ class Corpus(models.Model):
 
 
 class Document(models.Model):
-    def __str__(self):
-        return self.title
     project     = models.ForeignKey(Project)
     corpus      = models.ForeignKey(Corpus)
     #corpus      = models.ManyToManyField(Corpus)
@@ -100,21 +103,49 @@ class Document(models.Model):
     def __str__(self):
         return self.title
 
+# class relation corpus / document (pour enlever des documents d'un corpus)
 
+######################################################################
+# NGRAM / NgramDocument
+# LIST / ListNgram
+######################################################################
 
+class Ngram(models.Model):
+    grams    = models.CharField(max_length=100, unique=True)
+    n        = models.IntegerField()
+#stem
 
+class NgramDocument(models.Model):
+    ngram       = models.ForeignKey(Ngram)
+    document    = models.ForeignKey(Document)
+    occurrences = models.IntegerField()
 
+class List(models.Model):
+    title       = models.CharField(max_length=100, unique=True)
+    analyst     = models.ForeignKey(User)
+# public analyst (as postgres)
 
+class ListNgram(models.Model):
+    title       = models.ForeignKey(List)
+    mainForm    = models.ForeignKey(Ngram)
+    othersForms = models.ManyToManyField(Ngram)
 
+######################################################################
+# Coocurrences
+# Graph
+######################################################################
 
-# class relation corpus / document (pour enlever des documents d'un corpus)
 
-# table ngrams
-# table relation ngrams / document
-# table relation ngrams / ngrams
+class Coocurrence(models.Model):
+    corpus      = models.ForeignKey(Corpus)
+    
+    ngram1      = models.ForeignKey(Ngram)
+    ngram2      = models.ForeignKey(Ngram)
+    
+    occurrence  = models.IntegerField()
+    distance    = models.DecimalField()
 
 
-# table cooccrrences
-# table 
+# graph ?