Information extraction from large-scale WSNs: approaches and research issues: approaches and research issues: part III: towards a hybrid approach

T. Daniel, Elena Gaura

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    Abstract

    Regardless of the application domain and deployment scope, the ability to retrieve information is critical to the successful functioning of any wireless sensor network (WSN) system. In general, information extraction procedures can be categorized into three main approaches: agent-based, query-based and macroprogramming. Whilst query-based systems are the most popular, macroprogramming techniques provide a more general-purpose approach to distributed computation. Finally, the agent-based approaches tailor the information extraction mechanism to the type of information needed and the configuration of the network it needs to be extracted from. This suite of three papers (Part I-III) offers an extensive survey of the literature in the area of WSN information extraction, covering in Part I and Part II the three main approaches above. Part III highlights the open research questions and issues faced by deployable WSN system designers and discusses the potential benefits of both in-network processing and complex querying for large scale wireless informational systems.
    Original languageEnglish
    Pages (from-to)57-82
    JournalSensors & Transducers
    Volume94
    Issue number7
    Publication statusPublished - Jul 2008

    Keywords

    • information extraction
    • mobile agents
    • wireless sensor network architectures

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