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Current Issues in Conceptual Schema Concepts
Entities and Relationships in Information
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abstract model access paths algorithm application approach association type atomic sentence attribute Base Management Systems binary relational binding class-name CODASYL complex object types conceptual data conceptual model conceptual schema concrete category consider consistency constraints constructs corresponding cost Data Base Management Data Definition Language data model data structure database datalogical DBMS defined definition delete denote DEPT described discourse system discussion domain employee entity example expression finite formal system Freudenstadt functions global category global view identifier IFIP implementation information modeling information structure information system insertion ITEM L-value language LEGOL Models in Data n-tuples North Holland operations paper parameter person Peterlee physical objects possible predicate problem procedure properties PRTV query real world records reference relational algebra relational model representation represented role semantic Senko sequential slice of reality storage subset things tion tuples update warehouse