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Context modeling and reasoning based on certainty factor

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2 Author(s)
Qian Hao ; Manage. Sch., Dalian Univ. of Technol., Dalian, China ; Tao Lu

Context-aware computing is an emerging computing paradigm that provides intelligent context-aware application. Its core idea is to have computers understand the real world so that human-computer interactions can happen at a much higher abstraction level, hence to make the interactions much more pleasant or transparent to human users. Context-awareness is the key to achieve this goal. It entails a complex process that involves a diversity of development aspects, such as acquisition, reasoning, representation and utilization of context information. In this paper we tackle context-awareness in the context modeling and reasoning aspects. We analyze the hierarchical structure of context information, propose a hierarchy context reasoning model accordingly and describe the procedure and principles of model construction in detail. Then a reasoning rule based on certainty factor is presented and at last a case is put forward to show the whole process of context modeling and reasoning.

Published in:

Computational Intelligence and Industrial Applications, 2009. PACIIA 2009. Asia-Pacific Conference on  (Volume:2 )

Date of Conference:

28-29 Nov. 2009