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A component-based collaboration infr...

Yang, Yi.

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A component-based collaboration infrastructure.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A component-based collaboration infrastructure./
Author:	Yang, Yi.
Description:	135 p.
Notes:	Source: Dissertation Abstracts International, Volume: 66-12, Section: B, page: 6745.
Contained By:	Dissertation Abstracts International66-12B.
Subject:	Computer Science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3202364
ISBN:	9780542474415

A component-based collaboration infrastructure.
Yang, Yi.

A component-based collaboration infrastructure. - 135 p.

Source: Dissertation Abstracts International, Volume: 66-12, Section: B, page: 6745.

Thesis (Ph.D.)--Texas A&M University, 2005.

Groupware applications allow geographically distributed users to collaborate on shared tasks. However, it is widely recognized that groupware applications are expensive to build due to coordination services and group dynamics, neither of which is present in single-user applications. Previous collaboration transparency systems reuse existing single-user applications as a whole for collaborative work, often at the price of inflexible coordination. Previous collaboration awareness systems, on the other hand, provide reusable coordination services and multi-user widgets, but often with two weaknesses: (1) the multi-user widgets provided are special-purpose and limited in number, while no guidelines are provided for developing multi-user interface components in general; and (2) they often fail to reach the desired level of flexibility in coordination by tightly binding shared data and coordination services.

ISBN: 9780542474415Subjects--Topical Terms:

626642
Computer Science.

A component-based collaboration infrastructure.
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245 1 2 $a A component-based collaboration infrastructure.
300 $a 135 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-12, Section: B, page: 6745.
500 $a Chair: Du Li.
502 $a Thesis (Ph.D.)--Texas A&M University, 2005.
520 $a Groupware applications allow geographically distributed users to collaborate on shared tasks. However, it is widely recognized that groupware applications are expensive to build due to coordination services and group dynamics, neither of which is present in single-user applications. Previous collaboration transparency systems reuse existing single-user applications as a whole for collaborative work, often at the price of inflexible coordination. Previous collaboration awareness systems, on the other hand, provide reusable coordination services and multi-user widgets, but often with two weaknesses: (1) the multi-user widgets provided are special-purpose and limited in number, while no guidelines are provided for developing multi-user interface components in general; and (2) they often fail to reach the desired level of flexibility in coordination by tightly binding shared data and coordination services.
520 $a In this dissertation, we propose a component-based approach to developing groupware applications that addresses the above two problems. To address the first problem, we propose a shared component model for modeling data and graphic user interface(GUI) components of groupware applications. As a result, the myriad of existing single-user components can be re-purposed as shared GUI or data components. An adaptation tool is developed to assist the adaptation process.
520 $a To address the second problem, we propose a coordination service framework which systematically model the interaction between user, data, and coordination protocols. Due to the clean separation of data and control and the capability to dynamically "glue" them together, the framework provides reusable services such as data distribution, persistence, and adaptable consistency control. The association between data and coordination services can be dynamically changed at runtime.
520 $a An Evolvable and eXtensible Environment for Collaboration (EXEC) is built to evaluate the proposed approach. In our experiments, we demonstrate two benefits of our approach: (1) a group of common groupware features adapted from existing single user components are plugged in to extend the functionalities of the environment itself; and (2) coordination services can be dynamically attached to and detached from these shared components at different granules to support evolving collaboration needs.
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