Information Systems / Modeling / Data Modeling / Database Design / DATABASE MANAGEMENT SYSTEM / System Analysis / Scheme / Object Oriented Model / Experimentation / Conceptual Schema / Schema / Entity Relation Ship Model / Conceptual Data Modeling / Qulity of Data Models / Class Diagram / Entity Relationship Model / Data Model / Design Quality / Entity Relationship Diagram / Point of View / Object Oriented / Data Format / System Analysis / Scheme / Object Oriented Model / Experimentation / Conceptual Schema / Schema / Entity Relation Ship Model / Conceptual Data Modeling / Qulity of Data Models / Class Diagram / Entity Relationship Model / Data Model / Design Quality / Entity Relationship Diagram / Point of View / Object Oriented / Data Format