NDLI: ConCon: Context-Aware Middleware for Content Sharing in Dynamic Participating Environments

Content Provider	IEEE Xplore Digital Library
Author	Madhukalya, M. Kumar, M.
Copyright Year	2014
Description	Author affiliation: Dept. of Comput. Sci., Rochester Inst. of Technol., Rochester, NY, USA (Madhukalya, M.; Kumar, M.)
Abstract	In shared physical spaces such as parks, streets, tourist places etc., content generated at user's devices tends to lose its relevance with distance from the immediate spatio-temporal neighborhood. Here, content includes sensory information as well as user generated content. In such participatory environments, content generated at the producers' devices are often sought by applications seeking information on devices carried by consumers. Spatio-temporal context shared by producers and consumers is often a driving factor in determining the suitability of content to share in shared public spaces. In addition, mobile devices suffer from resource constraints. While there exist many middleware mechanisms to aid content sharing in participatory environments, there is need for a context-aware middleware that can provide an effective matching between consumer needs and content generated at producers under dynamically varying spatio-temporal as well as resource contexts. With this goal in mind, we propose a novel content based context-aware middleware called ConCon for dynamic participatory environments. ConCon employs a publish-subscribe architecture, with stable nodes called providers that serve as intermediaries between producers and consumers. ConCon takes into account content semantics, as well as context attributes such as location, residual energy, residual bandwidth etc. Through extensive simulation experiments performed on both real-world and synthetic traces we show that ConCon greatly enhances information quality by increasing diversity of shared content. Furthermore, ConCon reduces cost of sharing content in terms of resource usage in participatory environments.
Sponsorship	IEEE
Starting Page	156
Ending Page	161
File Size	225017
Page Count	6
File Format	PDF
ISBN	9781479957057
DOI	10.1109/MDM.2014.25
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-14
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context User-generated content Subscriptions Semantics Global Positioning System Bandwidth Approximation algorithms Participatory Environments User Generated Content (UGC) Context-aware
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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