Extending resource.

grammars/database/Restaurant.gf

@@ -0,0 +1,16 @@
+abstract Restaurant = Database ** {
+
+fun 
+  Restaurant, Bar : Category ;
+  French, Italian, Indian, Japanese : Property ;
+  address, phone, priceLevel : Feature ;
+  Cheap, Expensive : Comparison ;
+
+  WhoRecommend : Name -> Query ;
+  WhoHellRecommend : Name -> Query ;
+
+-- examples of restaurant names
+  LucasCarton : Name ;
+  LaCoupole : Name ;
+  BurgerKing : Name ;
+} ;