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A Framework for the Management of Context Data in Adaptive Web Information Systems

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2 Author(s)
De Virgilio, R. ; Univ. Roma Tre, Rome ; Torlone, R.

Context-awareness is considered today a desirable facility of modern Web information systems, given the large variety of non-traditional client devices used to access such applications. In this scenario, a fundamental requirement is the ability to capture and manipulate, in a flexible way, diverse context information, such as, among many others, the device capabilities, the preferences of the user, the network QoS, and the location. In this paper we propose a general framework supporting the representation and management of a large variety of context information. To this end, we first introduce a general data model that embeds the basic constructs commonly used to represent context information. We then define a number of basic primitives for the manipulation of context data. We finally describe how this framework can be profitably used to support different well-known applications where context management can provide an important add-on.

Published in:

Web Engineering, 2008. ICWE '08. Eighth International Conference on

Date of Conference:

14-18 July 2008

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