Alan Davoust Michael W. Floyd Babak Esfandiari Use of Fuzzy Histograms to Model the Spatial Distribution of Objects in Case-Based Reasoning. 72-83 2008 Canadian Conference on AI http://dx.doi.org/10.1007/978-3-540-68825-9_8 conf/ai/2008 db/conf/ai/ai2008.html#DavoustFE08