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1995 (EN)
Ενημέρωση Όψεων σε Βάσεις Γνώσης
View Updates in Knowledge Bases

Τζίτζικας, Ιωάννης (EL)
Tzitzikas, John (EN)

Π. Κωνσταντόπουλος

A knowledge base is used by several users in order to perform various tasks, wh ich may update different views of the knowledge base. A Knowledge Base Management Sy stem that represents and manages update views can control updates, ensuring the quali ty of the knowledge base contents with respect to specific constraints. Moreover, integration of update views with a set of general operations for interactive upd ates can be exploited for the development of user friendly general tools for interact ive updates. This thesis deals with the representation and management of update views in know ledge bases. Specifically, this thesis is concerned with Telos knowledge bases. Telos is a knowledge presentation language which supports a structurally object oriented da ta model and is used by the Semantic Index System (SIS). The Update View (UV) is de fined as a set of primitive update operations which concern data and/or schema. (EL)

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Πληροφοριακά Συστήματα και Τεχνολογία Λογισμικού


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