Entity relationship model: Software engineering, Database model, Conceptual schema, Relational database, Semantic data Top down and bottom up ... Associative Entities, Object Role Modeling

Object Role Modeling: Software Engineering, Conceptual Modeling, Systems Analysis, Database, Model (Abstract)

IDEF1X: IDEF1X, Data, Modeling, Semantic, Information, Entity, Weak, Database, Conceptual

Object Relational Database: Database Management System, Database, Oriented, Data Model, Type