NDLI: Efficient and robust query processing in dynamic environments using random walk techniques

Content Provider	IEEE Xplore Digital Library
Author	Avin, C. Brito, C.
Copyright Year	2004
Description	Author affiliation: Dept. of Comput. Sci., California Univ., Los Angeles, CA, USA (Avin, C.; Brito, C.)
Abstract	Many existing systems for sensor networks rely on state information stored in the nodes for proper operation (e.g., pointers to parent in a spanning tree, routing information, etc). In dynamic environments, such systems must adopt failure recovery mechanisms, which significantly increase the complexity and impact the overall performance. We investigate alternative schemes for query processing based on random walk techniques. The robustness of this approach under dynamics follows from the simplicity of the process, which only requires the connectivity of the neighborhood to keep moving. In addition we show that visiting a constant fraction of sensor network, say 80%, using a random walk is efficient in number of messages and sufficient for answering many interesting queries with high quality. Finally, the natural behavior of a random walk, also provide the important properties of load-balancing and scalability.
Sponsorship	ACM IEEE
Starting Page	277
Ending Page	286
File Size	1044454
Page Count	10
File Format	PDF
ISBN	1581138466
DOI	10.1109/IPSN.2004.239084
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-04-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	ACM, Inc.
Subject Keyword	Computer science Intelligent networks Query processing Sensor phenomena and characterization Permission Routing Robustness Sensor systems Computer networks Distributed computing
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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