NDLI: Finding and evaluating the community structure in semantic peer-to-peer overlay networks

Content Provider	Springer Nature Link
Author	Chen, HanHua Jin, Hai
Copyright Year	2011
Abstract	Recently much attention has been paid to semantic overlay networks for information retrieval in large scale peer-to-peer networks, and much research work on semantic overlay protocols and searching algorithms has been done and the results indicate that semantic overlay is efficient for content searching in peer-to-peer networks. However, very limited work has been done to analyze and evaluate the characteristics of semantic overlay networks. In this paper we identify a natural property of semantic overlay networks, the community structure. We propose a mathematical model to evaluate the property of community structure of semantic P2P overlay networks. A heuristic algorithm is designed to optimize the community structure. Using the evaluation model we compare the SemreX semantic overlay with the Gnutella network. Results demonstrate that a SemreX overlay network has the distinctive community structure feature, while a Gnutella-like network does not. We also simulate a simple flooding protocol in both overlays to show that the overlay with community structure is more efficient for content searching.
Starting Page	1340
Ending Page	1351
Page Count	12
File Format	PDF
ISSN	1674733X
Journal	Science in China Series : Information Sciences
Volume Number	54
Issue Number	7
e-ISSN	18691919
Language	English
Publisher	SP Science China Press
Publisher Date	2011-06-10
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	peer-to-peer community structure semantic overlay Information Systems and Communication Service
Content Type	Text
Resource Type	Article
Subject	Computer Science

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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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