Conflict Visualization for Collaborative Multi-user Applications

Vogel, Jürgen

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URN: urn:nbn:de:bsz:180-madoc-7265
Document Type: Working paper
Year of publication: 2004
The title of a journal, publication series: Technical Reports
Volume: 04-003
Place of publication: Mannheim
Publication language: English
Institution: School of Business Informatics and Mathematics > Sonstige - Fakultät für Wirtschaftsinformatik und Wirtschaftsmathematik
MADOC publication series: Veröffentlichungen der Fakultät für Mathematik und Informatik > Institut für Informatik > Technical Reports
Subject: 004 Computer science, internet
Subject headings (SWD): Computer Supported Cooperative Work , Visualisierung , Nebenläufigkeitskontrolle
Keywords (English): CSCW , Collaboration , Concurrency Control , Awareness
Abstract: If a collaborative multi-user application allows concurrent or asynchronous manipulation of shared data, user actions may conflict. While conflicts can be resolved syntactically by concurrency control, the system is not able to interpret actions, and the determined result might violate the users' intentions. We propose a visual feedback scheme so that users are aware of critical situations and may react accordingly. In our approach, the action history is represented as an interactive timeline that can be analyzed by the user. A prototype was realized for a shared whiteboard application.

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