plugin-coordinators-report16a - Review of State of the Art...

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Review of State of the Art in Planning and Scheduling as Related to COORDINATORS Project: Part I Adele Howe December 22, 2005 1 Summary of Program Concept The COORDINATORS program emphasizes distributed intelligent, cooperative problem solv- ing to a degree not previously demanded of the research community. Automated agents must recognize important change, assess its ramifications on its local view of activity, request or propagate information to other agents as necessary to reduce uncertainty and accommodate change, and re-schedule activity or select contingencies to stave oF plan failure. Additionally, the agents must manage their own limited resources (computational and informational), make decisions within the allowed rule bounds and learn models of appropriate interaction with their human users. All of these tasks must be accomplished within an intrinsically distributed envi- ronment with interaction and knowledge circumscribed by formal organization such as chain of command and need-to-know. The BAA set out five primary technical areas: distributed activity coordination, context- dependent coordination autonomy, machine learning, organizational reasoning and meta-cognition. The BAA also identified four key hard research problems: distributed coordination over large dynamic structures, coordination of multiple role units, learning appropriate decision making autonomy with sparse data, adapting activity in real time in response to change and incorpo- rating military decision policies in coordinated decision making. In this document, we will review research in planning and scheduling that bears directly on the hard research problems in COORDINATORS. The focus will be on identifying what most taxes the current state of the art, what has been done previously to address those issues and how the contractors’ research fits in the field as a whole. 1.1 Issues that Tax the State of the Art The COORDINATORS vision goes well beyond the reach of current state of the art. Most of the core capabilities required (e.g., reasoning about temporal changes in tasks, identifying al- ternative resources, representing distributed task interdependencies, etc.) have been previously developed to a limited extent. This is reflected in the proposals from the contractors, who are working from an existing method base and integrating components and extending capabilities. However, the capabilities have been studied either in a centralized framework, independent of other capabilities, or in a small scale application with simplified characteristics (e.g., limited or 1
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no dynamics, certain and complete information, etc.) Lack of centralized representation and embedding the capabilities are not simple addenda.
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This note was uploaded on 04/19/2010 for the course CISC 800 taught by Professor Kd during the Spring '10 term at University of Delaware.

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plugin-coordinators-report16a - Review of State of the Art...

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