Document (#10142)

Author

Plessa, P.N.
Yannakoudakis, E.J.

Title

Information retrieval using relational views

Source

Information retrieval: new systems and current research. Proceedings of the 15th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Glasgow 1993. Ed.: Ruben Leon

Imprint

London : Taylor Graham

Year

1994

Pages

S.39-52

Abstract

Reports on a study of the consistency and integrity of information retrieval using relational views and presents a menas of communication between the database system and a user that interrogates such views. Results indicate that there is a strong connection between information retrieval and view updating since lack of integrity and consistency ate view update time gives rise to anomalies at information retrieval time. Moreover, a set of rules is given that provides the exact method of how a theta join view update is translated to equivalent operations on the underlying base relations without violating the consistency of the database

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