Sergio Ilarri Antonio Corral Carlos Bobed Eduardo Mena Probabilistic Granule-Based Inside and Nearest Neighbor Queries. 103-117 2009 ADBIS http://dx.doi.org/10.1007/978-3-642-03973-7_9 conf/adbis/2009 db/conf/adbis/adbis2009.html#IlarriCBM09