Title: A framework for interest-based community evolution and sharing of latent knowledge

Authors: Mayank Pandey; Varun Kumar Pathak; Banshi Dhar Chaudhary

Addresses: Department of Computer Science and Engineering, Motilal Nehru National Institute of Technology Allahabad, Allahabad 211004, India. ' IBM Noida, Noida 201301, India. ' Department of Computer Science and Engineering, Motilal Nehru National Institute of Technology Allahabad, Allahabad 211004, India

Abstract: The Government of India has taken initiative to establish a National Knowledge Network (NKN) to promote collaborative research and knowledge sharing. The knowledge to be shared is distributed on the nodes situated behind proxies/NATs of different institutions which are not visible to outside world. We term such knowledge as latent knowledge. In this paper we present the design and implementation of publish/subscribe system over hierarchical structured peer-to-peer (P2P) overlay for evolution and management of interest-based communities over NKN. Our hierarchical DHT has three tiers and it permits dynamic leaving and joining of peers and their migration between tiers. We have developed semantically enriched content-based publish/subscribe over our three-tier DHT using domain ontology for sharing latent knowledge. The simulation results establish the applicability of our approach. Further, we present the details of our prototype implementation which have been successfully tested and made operational in two geographically separated organisations connected by NKN.

Keywords: hierarchical structured networks; P2P networks; peer to peer networks; domain ontology; interest-based community evolution; content-based publish-subscribe; metadata extraction; large scale content dissemination; latent knowledge; National Knowledge Network; NKN; India; collaborative research; knowledge sharing; overlay networks; semantics.

DOI: 10.1504/IJGUC.2012.047771

International Journal of Grid and Utility Computing, 2012 Vol.3 No.2/3, pp.200 - 213

Received: 29 Jun 2011
Accepted: 12 Jan 2012

Published online: 20 Dec 2014 *

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