Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18694
Title: Modeling and manipulating context in pervasive computing based on set theory
Authors: Ma, J
Cao, JN 
Ma, C
Tao, XP
Lu, J
Keywords: Algorithm analysis
Context
Context aware computing
Context modeling
Pervasive computing
Set theory
Issue Date: 2011
Publisher: 科學出版社
Source: 軟件學報 (Journal of software), 2011, v. 22, no. SUPPL. 2, p. 105-119 How to cite?
Journal: 軟件學報 (Journal of software) 
Abstract: Context awareness is one of the key characteristics of ubiquitous and pervasive computing. Most current formalism works focus on two aspects: context representing and system modeling. However, how the temporal property of context can be modeled and how context can be manipulated are not well addressed. This paper proposes a formal way based on set theory for modeling and manipulating context, in which a context is defined as a set of context entries and operators are introduced to specify how to manipulate contexts in according to the needs of different applications. To show the usability of the proposed model, a demo implementation is also included in this paper.
URI: http://hdl.handle.net/10397/18694
ISSN: 1000-9825
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