Publication statistics

Pub. period:1993-2004
Pub. count:4
Number of co-authors:4


Number of publications with 3 favourite co-authors:

Sadagopan Rajaram:
Hussein M. Abdel-Wahab:
Kevin Jeffay:



Productive colleagues

Goopeel Chung's 3 most productive colleagues in number of publications:

Prasun Dewan:38
Hussein M. Abdel-W..:3
Kevin Jeffay:2

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Goopeel Chung


Publications by Goopeel Chung (bibliography)

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Chung, Goopeel and Dewan, Prasun (2004): Towards dynamic collaboration architectures. In: Proceedings of ACM CSCW04 Conference on Computer-Supported Cooperative Work 2004. pp. 1-10.

In this paper, we introduce the concept of dynamically changing between centralized, replicated, and hybrid collaboration architectures. It is implemented by providing users a function that dynamically changes the mapping between user-interface and program components. We decompose the function into more primitive commands that are executed autonomously by individual users. These commands require a mechanism to dynamically replicate user-interface and program components on a user's site. We present a logging approach for implementing the mechanism that records input (output) messages sent to one incarnation of a program (user-interface) component, and replays the recorded messages to a different incarnation of the component. Preliminary experiments with an implementation of the mechanism show that response and completion times can improve by dynamically changing the architecture to adapt to changes to the set of users in a collaboration session involving a mix of mobile and stationary devices.

© All rights reserved Chung and Dewan and/or ACM Press

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Chung, Goopeel, Dewan, Prasun and Rajaram, Sadagopan (1999): Generic and Composable Latecomer Accomodation Service for Centralized Shared Systems. In: Chatty, Stephane and Dewan, Prasun (eds.) Engineering for Human-Computer Interaction, IFIP TC2/TC13 WG2.7/WG13.4 Seventh Working Conference on Engineering for Human-Computer Interaction September 14-18, 1999, Heraklion, Crete, Greece. pp. 129-147.

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Chung, Goopeel and Dewan, Prasun (1996): A Mechanism for Supporting Client Migration in a Shared Window System. In: Kurlander, David, Brown, Marc and Rao, Ramana (eds.) Proceedings of the 9th annual ACM symposium on User interface software and technology November 06 - 08, 1996, Seattle, Washington, United States. pp. 11-20.

Migrating collaborative applications to or near the workstations of active users can offer better performance in many scenarios. We have developed a client migration mechanism for centralized shared window systems that does not require changes to existing application and system software. It is based on logging input at the old site and replaying it at the new site. This approach raises several difficult questions: How should the log size be kept low? How should response time be kept low while migration is in progress? How should applications that depend on the rate at which input is received be accommodated? How should the transition from the replay phase to the play phase be detected at the new site? How should the software at the old and new sites be synchronized? We have developed a series of alternative approaches for answering these questions and implemented them in the XTV [1] shared window system. In this paper, we motivate, describe, illustrate and evaluate these approaches, and outline how they are implemented.

© All rights reserved Chung and Dewan and/or ACM Press

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Chung, Goopeel, Jeffay, Kevin and Abdel-Wahab, Hussein M. (1993): Accommodating Latecomers in Shared Window Systems. In IEEE Computer, 26 (1) pp. 72-74.

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