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WWW‐based collaboration environments with distributed tool services

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Abstract

We have developed an architecture for a general‐purpose framework for hypermedia collaboration environments that support purposeful work by orchestrated teams. The hypermedia represents all plausible multimedia artifacts concerned with the collaborative task(s) at hand that can be placed or generated on‐line, from application‐specific materials (e.g., source code, chip layouts, blueprints) to formal documentation to digital library resources to informal email and chat transcripts. The framework capabilities support both internal (WWW‐style hypertext) and external (non‐WWW open hypertext link server) links among these artifacts, which can be added incrementally as useful connections are discovered; project‐specific intelligent hypermedia search and browsing; automated construction of artifacts and hyperlinks according to the semantics of the group and individual tasks and the overall workflow among the tasks; application of arbitrary tools to the artifacts; and collaborative work for geographically dispersed teams connected by the Internet and/or an intranet/extranet. We also present a general architecture for a WWW‐based distributed tool launching service compatible with our collaboration environment framework. We describe our prototype realization of the framework in OzWeb. It reuses object‐oriented data management for application‐specific hyperbase organization, and workflow enactment and cooperative transactions as built‐in services, which were originally developed for the Oz non‐hypermedia environment. The tool service is implemented by the generic Rivendell component, which has been integrated into OzWeb as an example “foreign” (i.e., add‐on) service. Rivendell could alternatively be employed in a stand‐alone manner. We have several months experience using an OzWeb hypermedia collaboration environment for our own continuing software development work on the system.

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Authors and Affiliations

  1. Department of Computer Science, Columbia University, 1214 Amsterdam Avenue, Mail Code 0401, New York, NY, 10027, USA

    Gail E. Kaiser, Stephen E. Dossick, Wenyu Jiang, Jack Jingshuang Yang & Sonny Xi Ye

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  1. Gail E. Kaiser
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  2. Stephen E. Dossick
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  3. Wenyu Jiang
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  4. Jack Jingshuang Yang
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  5. Sonny Xi Ye
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Kaiser, G.E., Dossick, S.E., Jiang, W. et al. WWW‐based collaboration environments with distributed tool services. World Wide Web 1, 3–25 (1998). https://doi.org/10.1023/A:1019291009758

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