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Approximate Databases and Query Techniques for Agents with Heterogenous Perceptual Capabilities
2004 (English)In: Proceedings of the 7th International Conference on Information Fusion, Mountain View, CA: ISIF, 2004, 175-182Conference paper (Refereed)
Abstract [en]

In this paper, we propose a framework that provides software and robotic agents with the ability to ask approximate questions to each other in the context of heterogeneous and contextually limited perceptual capabilities. The framework focuses on situations where agents have varying ability to perceive their environments. These limitations on perceptual capability are formalized using the idea of tolerance spaces. It is assumed that each agent has one or more approximate databases where approximate relations are represented using intuitions from rough set theory. It is shown how sensory and other limitations can be taken into account when constructing approximate databases for each respective agent. Complex relations inherit the approximativeness inherent in the sensors and primitive relations used in their definitions. Agents then query these databases and receive answers through the filters of their perceptual limitations as represented by tolerance spaces and approximate queries. The techniques used are all tractable.

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Computer Science
Identifiers
urn:nbn:se:liu:diva-22969 (URN)2340 (Local ID)91-7056-115-X (ISBN)oai:DiVA.org:liu-22969 (OAI)diva2:243282 (DiVA)
Available from2009-10-07 Created:2009-10-07 Last updated:2012-02-13

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Doherty, PatrickLukaszewicz, WitoldSzalas, Andrzej
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The Institute of TechnologyKPLAB - Knowledge Processing Lab
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