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Lecture Notes in Computer Science
Formal specification of various constraints, including quality of service (QoS) and price, is very important for successful dynamic (i.e., runtime) composition of Web Services. For specification of these constraints, it is important to formally define QoS metrics, measurement units, and currency units used. Ontologies provide a mechanism for such formal definition. In this paper we discuss some requirements for ontologies that can be used in representing QoS constraints and in management of Webdoi:10.1007/3-540-36189-8_19 fatcat:ouxnhpfpwvgjdlfjdxfwcodddq