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A context-aware search system for Internet of Things based on hierarchical context model

Author

Listed:
  • Yuanyi Chen

    (Shanghai Jiao Tong University)

  • Jingyu Zhou

    (Shanghai Jiao Tong University)

  • Minyi Guo

    (Shanghai Jiao Tong University)

Abstract

In recent years, numerous sensing devices and wireless networks are immersed into our living environments, creating the Internet of Things (IoT) integrating the cyber and physical objects. Searching for objects in IoT is a challenging problem because the context relationships among IoT objects are various and complex. The traditional web search approaches cannot work well in the IoT search domain because they miss the critical characteristics of the context relationships. In addition, a user’s dynamic and changing context affects the user’s information needs, and an IoT search system should exploit context relationship in IoT for retrieving relevant information suitable for the user’s current context. In this paper, we present a context-aware search system for IoT, which aims to search objects and related information with more suitable results. We construct a hierarchical context model based on ontology to represent the IoT objects and their contextual relationships. Then, searches are executed with consideration of users’ context that is recognized by a context-aware hidden Markov model. Experimental results confirmed that users could obtain more suitable and reasonable search results than with a typical web or map search system.

Suggested Citation

  • Yuanyi Chen & Jingyu Zhou & Minyi Guo, 2016. "A context-aware search system for Internet of Things based on hierarchical context model," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 62(1), pages 77-91, May.
    • Handle: RePEc:spr:telsys:v:62:y:2016:i:1:d:10.1007_s11235-015-9984-x
    DOI: 10.1007/s11235-015-9984-x
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    Cited by:

    1. Yuanyi Chen & Yanyun Tao & Zengwei Zheng & Dan Chen, 2021. "Graph-based service recommendation in Social Internet of Things," International Journal of Distributed Sensor Networks, , vol. 17(4), pages 15501477211, April.
    2. Le Hoang Son & Sudan Jha & Raghvendra Kumar & Jyotir Moy Chatterjee & Manju Khari, 2019. "Collaborative handshaking approaches between internet of computing and internet of things towards a smart world: a review from 2009–2017," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 70(4), pages 617-634, April.
    3. Mohsen Chekin & Mehdi Hossienzadeh & Ahmad Khademzadeh, 2019. "A rapid anti-collision algorithm with class parting and optimal frames length in RFID systems," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 71(1), pages 141-154, May.

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