NDLI: Using Distributed Mutual Exclusion for Coordinating Virtual Meeting in an Ubiquitous Chat System

Content Provider	IEEE Xplore Digital Library
Author	de Tacio Preira Gomes, B. Cortes, O.A.C. Lopes, R.F.
Copyright Year	2009
Abstract	The purpose of this paper is to present the application of distribute mutual exclusion for controlling the text message exchange in a ubiquitous chat named M-SynchroTalk. This chat allows tutors and students to be in contact even on the move. The main issue is to organize the entire communication when several students speak at the same time and about many subjects. All in all, the chat hold the dialog context controlling the message broadcast by means of the distributed mutual exclusion algorithms. In this context, just one student could send a message at a time. To achieve mutual exclusion in the ubiquitous chat, the centralized and the token ring algorithms have been developed. The centralized algorithm was implemented in two versions: human coordinator and computer coordinator. Preliminary results show that this solution provides a well-controlled environment suitable for M-Learning environments.
Starting Page	84
Ending Page	89
File Size	432764
Page Count	6
File Format	PDF
ISBN	9781424433612
DOI	10.1109/eLmL.2009.18
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-02-01
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pervasive computing Context Distance learning Communication system control Humans Control systems Electronic learning M-Learning Ubiquitous Broadcasting Chat Mutual Exclusion Token networks Mobile computing
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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