Browsing Closed by Author "Li, Sanjiang"

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Browsing Closed by Author "Li, Sanjiang"

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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 ...
  • Li, Sanjiang (Springer-Verlag Berlin, 2006)
    Representing and reasoning about spatial information is important in artificial intelligence and geographical information science. Relations between spatial entities are the most important kind of spatial information. Most ...
  • 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 ...