Date: 24 May 2005

A Prolog interface to a Functional Data Model database

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This paper describes a new database architecture for the manipulation of objects, based on an extended version of Prolog with modules. The modules permit the entity classes of the Functional Data Model to be viewed as Abstract Data Types to which methods stored in the modules can be applied. The database is stored as linked structures in a persistent heap. This architecture facilitates the use of Prolog as a navigational query language which can explore relationships in an object-oriented database.