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Abstract:
In this paper we describe our approach for representing temporal aggregates in OWL, as an extension to the initial version of the OWL-Time, a temporal ontology for describing the temporal content of Web pages and the temporal properties of Web services. We represent the temporal aggregates ontology in both first-order logic axioms and OWL encodings. We also present several examples in detail to show how our ontology can be used to represent complex multiple-layered and conditional temporal aggregates for the Semantic Web.