NDLI: Query routing optimization in sensor communication networks

Content Provider	IEEE Xplore Digital Library
Author	Guofei Jiang Cybenko, G.
Copyright Year	2002
Description	Author affiliation: Inst. for Security Technol. Studies & Thayer Sch. of Eng., Dartmouth Coll., Hanover, NH, USA (Guofei Jiang; Cybenko, G.)
Abstract	Interest in large-scale sensor networks for both civilian and military applications is burgeoning. The deployment of such networks will require new approaches in resource discovery, query processing and data routing. This paper presents a framework and some analytic results for query satisfaction and data routing in networks consisting of clients, sensors and data filtering/fusion servers. In this model, multiple clients pose queries that are satisfied by processing a set of sensor data streams through a set of filters or fuselets. Fuselets are lightweight data fusion algorithms that can be deployed in a network environment. The queries can have common subexpressions (sub-queries) that should be reused by multiple clients if possible and appropriate. Moreover, effective routing of data streams from sensors to clients requires routing the streams through network nodes that can implement the required filtering/fusion operations. We formulate these problems quantitatively and propose a dynamic programming based solution using sensor-fuselet location and performance tables. The framework is preliminary in that many details and variations are abstracted or ignored. However, at the end of the paper we discuss several directions that can be explored to make these preliminary results more relevant to real scenarios.
Sponsorship	IEEE Control Syst. Soc
Starting Page	1999
Ending Page	2004
File Size	439723
Page Count	6
File Format	PDF
ISBN	0780375165
ISSN	01912216
DOI	10.1109/CDC.2002.1184822
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-12-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Query processing Intelligent networks Communication networks Sensor fusion Sensor systems Network servers Routing Wireless sensor networks Filtering Global Positioning System
Content Type	Text
Resource Type	Article

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