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Sökning: WFRF:(Lukaszewicz Witold 1947 ) > (2005-2006)

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1.
  • Doherty, Patrick, 1957-, et al. (författare)
  • Knowledge Representation Techniques. : a rough set approach
  • 2006
  • Bok (övrigt vetenskapligt/konstnärligt)abstract
    • The basis for the material in this book centers around a long term research project with autonomous unmanned aerial vehicle systems. One of the main research topics in the project is knowledge representation and reasoning. The focus of the research has been on the development of tractable combinations of approximate and nonmonotonic reasoning systems. The techniques developed are based on intuitions from rough set theory. Efforts have been made to take theory into practice by instantiating research results in the context of traditional relational database or deductive database systems. This book contains a cohesive, self-contained collection of many of the theoretical and applied research results that have been achieved in this project and for the most part pertain to nonmonotonic and approximate reasoning systems developed for an experimental unmanned aerial vehicle system used in the project. This book should be of interest to the theoretician and applied researcher alike and to autonomous system developers and software agent and intelligent system developers.
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2.
  • Doherty, Patrick, 1957-, et al. (författare)
  • Similarity, approximations and vagueness
  • 2005
  • Ingår i: Proceedings of the 10th International Conference on Rough Sets, Fuzzy Sets, Data Mining, and Granular Computing (RSFDGrC). - Berlin, Heidelberg : Springer. - 3540286535 ; , s. 541-550
  • Konferensbidrag (refereegranskat)abstract
    • The relation of similarity is essential in understanding and developing frameworks for reasoning with vague and approximate concepts. There is a wide spectrum of choice as to what properties we associate with similarity and such choices determine the nature of vague and approximate concepts defined in terms of these relations. Additionally, robotic systems naturally have to deal with vague and approximate concepts due to the limitations in reasoning and sensor capabilities. Halpern [1] introduces the use of subjective and objective states in a modal logic formalizing vagueness and distinctions in transitivity when an agent reasons in the context of sensory and other limitations. He also relates these ideas to a solution to the Sorities and other paradoxes. In this paper, we generalize and apply the idea of similarity and tolerance spaces [2,3,4,5], a means of constructing approximate and vague concepts from such spaces and an explicit way to distinguish between an agent’s objective and subjective states. We also show how some of the intuitions from Halpern can be used with similarity spaces to formalize the above-mentioned Sorities and other paradoxes.
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  • Resultat 1-2 av 2
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bok (1)
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övrigt vetenskapligt/konstnärligt (1)
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Doherty, Patrick, 19 ... (2)
Szalas, Andrzej, 195 ... (2)
Lukaszewicz, Witold, ... (2)
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