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- 83 creator matthias-klusch.
- 83 creator patrick-kapahnke.
- 83 creator xiaoqi-cao.
- 83 type InProceedings.
- 83 label "SPSC: Efficient Composition of Semantic Services in Unstructured P2P Networks".
- 83 sameAs 83.
- 83 abstract "We present a novel approach, called SPSC, for the efficient composition of semantic services in unstructured peer-to-peer (P2P) networks. With SPSC, the peers are jointly planning complex IOPE-chained workflows of services in OWL-S together with their respective signature variable bindings in order to answer a given composition request. For this purpose, each peer exploits its local observation-based knowledge about the semantic overlay to contribute to the actual semantic service workflow, as well as to support the further exploration of alternatives in a heuristically pruned search space within the given TTL. In particular, the local query routing decisions are based on the application of two strategies for a guided composition plan branching and memorization of potentially helpful services. We show that the composition planning process with SPSC is sound and provide a lower bound of its completeness in terms of total recall of solutions for a given composition request, if they exist in the network. Our experimental evaluation revealed that SPSC can achieve a high cumulative recall with relatively low traffic overhead.".
- 83 hasAuthorList authorList.
- 83 isPartOf proceedings.
- 83 keyword "P2P computing".
- 83 keyword "Semantic services".
- 83 keyword "workflow composition".
- 83 title "SPSC: Efficient Composition of Semantic Services in Unstructured P2P Networks".