On the functional quality of service (FQoS) to discover and compose interoperable web services

  • Authors:
  • Buhwan Jeong;Hyunbo Cho;Choonghyun Lee

  • Affiliations:
  • Data Mining Team, Daum Communications Corporation, 1730-8 Odeung, Jeju 690-150, Republic of Korea;Department of Industrial and Management Engineering, Pohang University of Science and Technology (POSTECH), San 31 Hyoja, Pohang, Kyungbuk 790-784, Republic of Korea;Industrial and Information Engineering, Yonsei University, 135 Sinchon, Seodamun, Seoul 120-749, Republic of Korea

  • Venue:
  • Expert Systems with Applications: An International Journal
  • Year:
  • 2009

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Abstract

Despite its prevalence, the service-oriented architecture (SOA) still has an imperative challenge to achieve interoperability within and across enterprise applications. Minimal conditions for interoperability are: (1) to discover and plug in proper services for integration and (2) to support for seamless data exchanges between component services. A similarity-based approximate matching is a practical approach for both, in that the service discovery relies on functional matches between a query and service descriptions, and the seamless data exchange is granted by mapping information from a service to others. To these ends, this paper comprehensively investigates functional attributes of web services and their manipulation, and particularly highlights an information compatibility and mapping analysis. The functional quality of service (FQoS) allows service discovery and selection to step forward. Simulation results show that the present FQoS metrics are effective in service discovery.