［1］Cohn A G, Hazarika S M. Qualitative spatial representation and reasoning: An overview [J]. Fundamental Informatics, 2001,46(1-2) : 1～29.
[2]
［3］Clementini E, Di Felice P. Approximate topological relations [J]. International Journal of Approximate Reasoning, 1997:100～110.
[3]
［5］Thomas Bittner. Approximate qualitative temporal reasoning [J]. Annals of Mathematics and Artificial Intelligence, 2002,36(1-2) :39～80.
[4]
［2］Lehmann F, Cohn A G. The EGG/YOLK reliability heirarchy:semantic data integration using sorts with prototype [A]. In:Adam N R, Bhargava B K, Yesha Y, eds. Proceedings Conference on Information Knowledge Management [C], New York: ACM Press,1994:272～279.
[5]
［4］Ola Ahlqvist, Johannes Keukelaar, Karim Oukbir. Rough classification and accuracy assessment[J]. International Journal Geographical Information Science[J], 2000,14 (5): 475～496.
[6]
［6］Thomas Bittner, Stell J G. Vagueness and rough location[J].GeoInformatica, 2002,6 (2) : 99 ～ 121.
