The VLDB Journal (2000) 9: 2–17 The VLDB Journal c Springer-Verlag 2000 1 2 Boris Chidlovskii , Uwe M. Borghoff Xerox Research Center Europe, Grenoble Laboratory. 6, chemin de Maupertuis, 38240 Meylan, France; e-mail: firstname.lastname@example.org Institut fur ¨ Softwaretechnologie, Fakultat ¨ fur ¨ Informatik, Univ. der Bundeswehr Munchen, ¨ 85577 Neubiberg, Germany; e-mail: email@example.com Edited by P. Atzeni and A.O. Mendelzon. Received June 15, 1999 / Accepted December 24, 1999 Abstract. In meta-searchers accessing distributed Web-based As in any client-server system, high performance in such information repositories, performance is a major issue. Ef- a networked environment is often reached by an efﬁcient ﬁcient query processing requires an appropriate caching utilization of computational storage resources at the client mechanism. Unfortunately, standard page-based as well as sites. As data from remote servers are brought to clients on- tuple-based caching mechanisms designed for conventional demand, local client memory is largely used to cache data databases are not efﬁcient on the Web, where keyword- in order to minimize future interaction with the servers. based querying is often the only way to retrieve data. In This data caching is particularly important for Web this work, we study the problem of semantic caching of repositories,
The VLDB Journal – Springer Journals
Published: Mar 1, 2000
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