The hybrid integration system Towards a new approach for creating candidate views for materialization

TitreThe hybrid integration system Towards a new approach for creating candidate views for materialization
Publication TypeConference Paper
Year of Publication2013
AuthorsAnter, S, Zellou, A, Idri, A
Conference Name2013 5TH INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND INFORMATION TECHNOLOGY (CSIT)
PublisherAppl Sci Private Univ, Fac Informat Technol
ISBN Number978-1-4673-5825-5
Abstract

The vulgarization of information technologies and telecommunications has generated an enormous amount of information. This information is generally heterogeneous, stored in autonomous and distributed sources. Thus, it becomes necessary to introduce the information integration systems. These systems must ensure an optimal query response time, and the freshness of data. Using a virtual approach cannot answer these questions. On the one hand, the query response time is very important. Indeed, the mediator must access, every time, to the sources for load the relevant information. On the other hand, the sources are not always available. The establishment of a hybrid integration system, where a portion of information is materialized in the mediator and the other portion remains in the sources and are extracted at query time, is an effective solution to these problem, provided that the materialized part has carefully chosen. Based on the distribution of user queries, we present in this paper an approach to select the information most requested by users and organize it as candidate views for materialization in the mediator.

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