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The knowledge about the user context refers to a sequence of activities performed in a pervasive computing environment. Such sequence and the corresponding context transitions typically constitute the up-to-now user situation, thus, clusters of similar situations can be formed. A framework that represents and infers the current user context and reasons about user situations through approximate reasoning and clustering techniques is proposed.doi:10.1109/perser.2007.4283913 dblp:conf/icps/AnagnostopoulosPH07 fatcat:timdytxsmrabtkdenjooamtzea