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Using task context to achieve effective information deliveryIn CIAO '09: Proceedings of the 1st Workshop on Context, Information and Ontologies (2009), pp. 1-6.
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Notes for this articleDate Reviewed: 09/24/09
The concept of “context” is important when studying how users convert goals into tasks and subsequently relate those tasks to the functionality of an application. One of the great unsolved problems in the human factors field concerns the definition and identification of user contexts. Gomez-Perez et al. describe in this paper the ACTIVE system, which serves as a testbed for context research.
If you have ever worked with a good assistant, you know the joy and efficiency of working with someone who seems to anticipate your every informational need. Software systems have a long way to go before they can match a human’s intuitive understanding of a user’s working context. One of the most important aspects of the ACTIVE system is its ability to support both automatic and user-defined contexts. This makes it possible to contrast the effectiveness of automatically defined contexts with that of contexts identified by a human user.
It is likely that work on context identification and context application will play an increasingly important role in human factors research. This paper will be valuable to practitioners who have an interest in “just over the horizon” user interface technologies.
Reviewer: James H. Bradford Review #: CR137323
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AbstractThe use of task context to guide the delivery of information to knowledge workers is valuable for improving their efficiency and effectiveness. Moreover, the sharing of context between individuals can aid the sharing of knowledge. This paper describes research in the ACTIVE project which uses context to support information delivery and sharing. Machine intelligence techniques are used to learn the association between information objects and context; and to learn how to partition a user's information objects into a set of contexts. Informal processes are also important to knowledge workers, and another research challenge is to understand how context influences the choice of steps in a process. Other research questions relate to the user interface for context-driven information delivery. Chief amongst these questions is whether the user wishes or needs to be aware of the concepts of context and process; or whether only the system should be aware.
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