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  • Achieving Data Consistency by Contextualization in Web-Based Collaborative Applications

    Author(s)
    Shen, Haifeng
    Sun, Chengzheng
    Griffith University Author(s)
    Sun, Chengzheng
    Year published
    2011
    Metadata
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    Abstract
    Recent years have witnessed the emergence and rapid development of collaborative Web-based applications exemplified by Web-based office productivity applications. One major challenge in building these applications is maintaining data consistency while meeting the requirements of fast local response, total work preservation, unconstrained interaction, and customizable collaboration mode. These requirements are important in determining users' experiences in interaction and collaboration, and in meeting users' diverse needs under complex and dynamic collaboration and networking environments; but none of existing solutions ...
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    Recent years have witnessed the emergence and rapid development of collaborative Web-based applications exemplified by Web-based office productivity applications. One major challenge in building these applications is maintaining data consistency while meeting the requirements of fast local response, total work preservation, unconstrained interaction, and customizable collaboration mode. These requirements are important in determining users' experiences in interaction and collaboration, and in meeting users' diverse needs under complex and dynamic collaboration and networking environments; but none of existing solutions is able to meet all of them. In this article, we present a data consistency maintenance solution capable of meeting these requirements for collaborative Web-based applications. Major technical contributions include an efficient sequence-based operation transformation control algorithm based on the concept of contextualization, an operation broadcast protocol for supporting a variety of collaboration modes, an operation replaying algorithm for ensuring fast local response and efficient remote operation replay, and a set of communication protocols for managing the integrity of collaborative Web-based sessions. The proposed solution has been implemented in a prototype collaborative Web-based editor WRACE and the correctness of the solution is formally verified in the article.
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    Journal Title
    ACM Transactions on Internet Technology
    Volume
    10
    Issue
    4
    DOI
    https://doi.org/10.1145/1944339.1944340
    Subject
    Artificial Intelligence and Image Processing
    Distributed Computing
    Information Systems
    Publication URI
    http://hdl.handle.net/10072/46982
    Collection
    • Journal articles

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