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Ranking and Selection (cont')

  • Ontologies for specifying QoS (http://www.wsmo.org/ontologies/nfp)
    • set of 17 ontologies (i.e. locative, temporal, availability, price, trust, security, etc.)‏
    • provide the terminology needed to specify QoS aspects of services
  • The data required for ranking and selection can be attached through the non-functional aspects of SWS
  • The example defines the value of price for the Web Service consumption as a WSML logical expression which needs to be evaluated. 
  • If the client is older than 60 or less than 100 years old the predefined absolute price is taken which must be less or equal to 10.

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