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Karin Petersen

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Publications by Karin Petersen (bibliography)

» 2000 «

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Dourish, Paul, Edwards, W. Keith, Howell, Jon, LaMarca, Anthony, Lamping, John, Petersen, Karin, Salisbury, Michael, Terry, Doug and Thornton, Jim (2000): A Programming Model for Active Documents. In: Ackerman, Mark S. and Edwards, Keith (eds.) Proceedings of the 13th annual ACM symposium on User interface software and technology November 06 - 08, 2000, San Diego, California, United States. pp. 41-50. Available online

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Dourish, Paul, Edwards, W. Keith, LaMarca, Anthony, Lamping, John, Petersen, Karin, Salisbury, Michael, Terry, Douglas B. and Thornton, James D. (2000): Extending document management systems with user-specific active properties. In ACM Transactions on Information Systems, 18 (2) pp. 140-170

“Document properties are a compelling infrastructure on which to develop document management applications. A property-based approach avoids many of the problems of traditional hierarchical storage mechanisms, reflects document organizations meaningful to user tasks, provides a means to integrate the perspectives of multiple individuals and groups, and does this all within a uniform interaction framework. Document properties can reflect not only categorizations of documents and document use, but also expressions of desired system activity, such as sharing criteria, replication management, and versioning. Augmenting property-based document management systems with active properties that carry executable code enables the provision of document-based services on a property infrastructure. The combination of document properties as a uniform mechanism for document management, and active properties as a way of delivering document services, represents a new paradigm for document management infrastructures. The Placeless Documents system is an experimental prototype developed to explore this new paradigm. It is based on the seamless integration of user-specific, active properties. We present the fundamental design approach, explore the challenges and opportunities it presents, and show our architectures deals with them.”

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» 1997 «

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Edwards, W. Keith, Mynatt, Elizabeth D., Petersen, Karin, Spreitzer, Mike J., Terry, Douglas B. and Theimer, Marvin M. (1997): Designing and Implementing Asynchronous Collaborative Applications with Bayou. In: Robertson, George G. and Schmandt, Chris (eds.) Proceedings of the 10th annual ACM symposium on User interface software and technology October 14 - 17, 1997, Banff, Alberta, Canada. pp. 119-128. Available online

“Asynchronous collaboration is characterized by the degree of independence collaborators have from one another. In particular, collaborators working asynchronously typically have little need for frequent and fine-grained coordination with one another, and typically do not need to be notified immediately of changes made by others to any shared artifacts they are working with. We present an infrastructure, called Bayou, designed to support the construction of asynchronous collaborative applications. Bayou provides a replicated, weakly-consistent, data storage engine to application writers. The system supports a number of mechanisms for leveraging application semantics; using these mechanisms, applications can implement complex conflict detection and resolution policies, and choose the level of consistency and stability they will see in their databases. We present a number of applications we have built or are building using the Bayou system, and examine how these take advantage of the Bayou architecture.”

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