A Multilevel Composability Model for Semantic Web Services

  • Authors:
  • Brahim Medjahed;Athman Bouguettaya

  • Affiliations:
  • IEEE;IEEE

  • Venue:
  • IEEE Transactions on Knowledge and Data Engineering
  • Year:
  • 2005

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Abstract

We propose a composability model to ascertain that Web services can safely be combined, hence avoiding unexpected failures at runtime. Composability is checked through a set of rules organized into four levels: syntactic, static semantic, dynamic semantic, and qualitative levels. We introduce the concepts of composability degree and \tau{\hbox{-}}composability to cater for partial and total composability. We also propose a set of algorithms for checking composability. Finally, we conduct a performance study (analytical and experimental) of the proposed algorithms.