--- a
+++ b/OSSEval/entity/models.py
@@ -0,0 +1,15 @@
+from django.db import models
+
+class Entity(models.Model):
+    name = models.CharField(max_length=200)
+    search_ui = models.TextField()
+
+class SearchConfiguration(models.Model):
+    proxy_url = models.CharField(max_length=300)
+    proxy_port = models.CharField(max_length=10)
+    proxy_user = models.CharField(max_length=50)
+    proxy_password = models.CharField(max_length=50)
+#     active_search = quale classe implementa la entity corrente
+# http://stackoverflow.com/questions/372042/difference-between-abstract-class-and-interface-in-python
+
+