We formulate an algebra of binary temporal relations between events the number of occurrences of which is unknown, but which are known to recur in time. Ontologically, we view the...
Abstract. This paper describes some recent cognitively-based and computationally-based research on representing and reasoning about shapes. The cognitive studies are based on proto...
Abstract. Grounding an ontology upon geographical data has been proposed as a method of handling the vagueness in the domain more effectively. In order to do this, we require meth...