Browsing Conference Papers by Author "Liu, Weiming"

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Browsing Conference Papers by Author "Liu, Weiming"

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  • Liu, Weiming; Li, Sanjiang; Renz, Jochen (AAAI Press, 2009)
    Increasing the expressiveness of qualitative spatial calculi is an essential step towards meeting the requirements of applications. This can be achieved by combining existing calculi in a way that we can express spatial ...
  • Zhang, Xiaotong; Liu, Weiming; Li, Sanjiang; Ying, Mingsheng (AAAI Press, 2008)
    Direction relations between extended spatial objects are important commonsense knowledge. Recently, Goyal and Egenhofer proposed a formal model, called Cardinal Direction Calculus (CDC), for representing direction relations ...