A context-aware service model using a multi-level prediction algorithm in smart home environments

  • Authors:
  • Inhwa Hong;Myungseok Kang;Jeongjin Kang;Hagbae Kim

  • Affiliations:
  • Korea Electronics Technology Institute, Gyeonggi-do, Korea;Korea Electronics Technology Institute, Gyeonggi-do, Korea;Dong Seoul College, Gyeonggi-do, Korea;Yonsei University, Seodaemun-gu, Seoul, Korea

  • Venue:
  • Proceedings of the 2009 International Conference on Hybrid Information Technology
  • Year:
  • 2009

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Abstract

Smart home is emerging as the future digital home environments that provide various ubiquitous home services like u-Life, u-Health, etc. It is composed of some home appliances and sensors which are connected through wired/wireless network. Ubiquitous home services become aware of user's context with the information gathered from sensors and make home appliances adapt to the current home situation for maximizing user convenience. In these context-aware home environments, it is the one of significant research topics to predict user behaviors in order to proactively control the home environment. In this paper, we propose Multi-Level prediction algorithm for context-aware services in ubiquitous home environment. The algorithm has two phases, prediction and execution. In the first prediction phase, the next location of user is predicted using tree algorithm with information on users, time, location, devices. In the second execution phase, our table matching method decides home appliances to run according to the prediction, device's location, and user requirement. Since usually home appliances operate together rather than separately, our approach introduces the concept of mode service, so that it is possible to control multiple devices as well as a single one. We also devised some scenarios for the conceptual verification and validated our algorithm through simulations.