Versus: A Temporal Web Repository

Abstract

Web data warehouses are useful for applications that need to process large amounts of Web data in a short time. This paper presents Versus, a Web repository model supporting object versioning and distributed operation for this kind of applications. Versioning allows applications to save the time dimension of data, enabling the development of new Web applications. Distribution allows parallel operation over massive amounts of data. We also present a prototype implementation of Versus along with results collected from the analisys of the execution of a distributed Web crawler simulator implemented as a Versus application.

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