NDLI: Generalized Indexing for Energy-Efficient Access to Partially Ordered Broadcast Data inWireless Networks

Content Provider	IEEE Xplore Digital Library
Author	Katsaros, D. Dimokas, N. Manolopoulos, Y.
Copyright Year	2006
Description	Author affiliation: Informatics Dept., Aristotle Univ., Thessaloniki (Katsaros, D.; Dimokas, N.; Manolopoulos, Y.)
Abstract	Energy conservation and access efficiency are two fundamental though competing goals in broadcast wireless networks. To tackle the energy penalty from sequential searching, the interleaving of index with data items has been proposed. Although, quite important contributions exist on providing broadcast indexes, they have one or more of the following problems. Firstly, all of them assume total ordering among broadcast data, and none considers the more general case of partial ordering. Secondly, they are balanced structure, which does not fit the "linear (one-dimensional) structure" of the wireless medium, in which imbalanced structures may offer significant advantages. Thirdly, they do not take into account the skewness in the access pattern, which prohibits larger performance gains to be reaped. Finally, they require all index items to be of equal size, which may not always give the optimal performance. To cope with all these problems, we introduce a new imbalanced tree-structured index. The new index is shown to be a generalization of two previously proposed high-performance indexes, and it introduces for the first time the problem of indexing partially ordered broadcast data. We present an experimental analysis of the proposed method, contrasting it with competing techniques. The analysis exhibits the efficiency of the proposed index in reducing the energy consumption without noticeably worsening the access latency
Sponsorship	IEEE Comput. Soc. IEEE Concordia Univ
Starting Page	89
Ending Page	96
File Size	214887
Page Count	8
File Format	PDF
ISBN	0769525776
ISSN	10988068
DOI	10.1109/IDEAS.2006.26
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-11
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Indexing Energy efficiency Broadcasting Wireless sensor networks Temperature sensors Pressure measurement Time measurement Databases Monitoring Wireless networks wireless networks. Energy saving skewed access indexing sensor networks ad hoc networks
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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