Johann Nguyen

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This paper describes a research project that investigated the feasibility and advantages of using contextual reasoning to supervise the collaborative work of several knowledge workers. In complex projects that require contributions from various experts but whose interaction may be limited to a web-based collaborative tool, maintaining control of the project(More)
In order to make CSCW (computer supported cooperative works) more intelligent and dependable, the usefulness of contextual reasoning is discussed in this paper. To ensure the project objectives are met, a project manager (PM) maintaining control of the project plays much important roles in complex projects where interaction may be limited to a web-based(More)
We report on a study in which twelve different paradigms were used to implement agents acting in an environment which borrows elements from artificial life and multi-player strategy games. In choosing the paradigms we strived to maintain a balance between high level, logic based approaches and low level, physics oriented models; between imperative(More)
We report on a study in which twelve different paradigms were used to implement agents acting in an environment which borrows elements from artificial life and multi-player strategy games. In choosing the paradigms we strived to maintain a balance between high level, logic based approaches to low level, physics oriented models; between imperative(More)
This article describes a knowledge preservation and re-use tool designed to capture the knowledge of a specific individual at the US National Science Foundation, for later retrieval by successors after his retirement. The system is designed in a Q&A format, where it is sufficiently intelligent to ask for clarifying questions. The primary objective was to(More)
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