NDLI: Research on awareness model on real-time collaborative graphics editing system

Content Provider	IEEE Xplore Digital Library
Author	Yong Li Jia-Jun Bu Chun Chen Xiang-Hua Xu
Copyright Year	2003
Description	Author affiliation: Coll. of Comput. Sci., Zhejiang Univ., Hangzhou, China (Yong Li; Jia-Jun Bu; Chun Chen; Xiang-Hua Xu)
Abstract	Workspace awareness is one of the key issues in real-time collaborative editing system (CES). It is knowledge about the state of a particular environment, thus needs frequent exchange of information about other collaborators and the whole group. Bitmap-based collaborative graphics editing systems are a special class of CESs. Because of the intrinsic characteristics of bitmap, the data-streams need to be exchanged in the network will increase dramatically. On the other hand, different collaborators in one collaborative group may have different collaborative requirement and different network environment. So it is not wise to deliver the same large data-stream to distinct receivers. Instead, we propose a multi-level coding method, which encodes each bitmap operation into several different granularities. As a result, different collaborators receive different data-stream in different granularity according to their current requirement and network condition. In addition, we also propose a self-adaptive awareness model by combining the awareness model with network QoS. It adjusts the awareness strategy and awareness coefficient intelligently to make the awareness model adaptive to the network condition. It also reallocates the network resources among the whole collaborative group, thus optimizes the collaborative effect.
Sponsorship	IEEE Systems Man and Cybernetics Tech. Committee on Cybernetics, Hebei Univ. Northwestern Polytechnical Univ
Starting Page	2944
Ending Page	2949
File Size	426979
Page Count	6
File Format	PDF
ISBN	0780381319
DOI	10.1109/ICMLC.2003.1260076
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-11-05
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Collaboration Collaborative work Costs Computer graphics Educational institutions Computer science Intelligent networks Adaptive systems Collaborative software
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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