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사물인터넷 환경에서 지리적 응집도를 고려한 동적 서비스 검색방법
백경덕(KyeongDeok Baek),김민협(MinHyeop Kim),고인영(InYoung Ko) Korean Institute of Information Scientists and Eng 2016 정보과학회논문지 Vol.43 No.8
In Internet of Things (IoT) environments, users are required to search for IoT devices necessary to access services for accomplishing their tasks. As IoT technologies advance, a user task will utilize various types of IoT-based services that are deployed in an IoT environment. Therefore, to accomplish a user task effectively, the services that utilize IoT devices need to be found in a certain geographical region. In addition, the service discovery needs to be accomplished in a stable manner while considering dynamically changing IoT environments. To deal with these issues, we propose two service discovery methods that consider geographic cohesiveness of services in IoT environments. We compare the effectiveness of the proposed methods against a traditional service discovery algorithm that does not consider geographic cohesiveness.