KSII Transactions on Internet and Information Systems (TIIS)

Korean Society for Internet Information (한국인터넷정보학회)
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An Incremental Statistical Method for Daily Activity Pattern Extraction and User Intention Inference

  • Choi, Eu-Ri (Dept. of Electrical and Computer Engineering, Ajou University) ;
  • Nam, Yun-Young (Dept. of Electrical and Computer Engineering, Stony Brook University) ;
  • Kim, Bo-Ra (Dept. of Electrical and Computer Engineering, Ajou University) ;
  • Cho, We-Duke (Dept. of Electrical and Computer Engineering, Ajou University)
  • Published : 2009.06.25
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Abstract

This paper presents a novel approach for extracting simultaneously human daily activity patterns and discovering the temporal relations of these activity patterns. It is necessary to resolve the services conflict and to satisfy a user who wants to use multiple services. To extract the simultaneous activity patterns, context has been collected from physical sensors and electronic devices. In addition, a context model is organized by the proposed incremental statistical method to determine conflicts and to infer user intentions through analyzing the daily human activity patterns. The context model is represented by the sets of the simultaneous activity patterns and the temporal relations between the sets. To evaluate the method, experiments are carried out on a test-bed called the Ubiquitous Smart Space. Furthermore, the user-intention simulator based on the simultaneous activity patterns and the temporal relations from the results of the inferred intention is demonstrated.

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