Situation aware RFID system: evaluating abnormal behavior detecting approach
Heeseo Chae
Taek Lee
Hoh Peter In
Dept. of Comput. Sci. & Eng., Korea Univ., Seoul;
Abstract
SA-RFID system is a combination of situation-aware computing which is important and core field of ubiquitous computing, and RFID system. The goal of this paper is to define a system that is suitable for detecting abnormal behaviors like a crime and an accident in a certain limited area. Our abnormal behaviors detecting system is designed by the architecture of transformational SA-RFID reader system and SA middleware specialized in it. In order to improve the reliability of the sys tem, this paper offers abnormal behavior judging models and explains operation mechanism. We also integrate these models and present the prototype of the proposed system. It shows possibility of various expansions. Consequently, the contributions of this paper are as follow: defining the various models and evaluating it using SA-RFID system and providing a user-customized system in ubiquitous environment
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