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Toward distributed service discovery in pervasive computing environments
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DOI：10.1109/TMC.2006.26.png)
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The paper proposes a novel distributed service discovery protocol for pervasive environments. The protocol is based on the concepts of peer-to-peer caching of service advertisements and group-based intelligent forwarding of service requests. It does not require a service to be registered with a registry or lookup server. Services are described using the Web Ontology Language ( OWL). We exploit the semantic class/subClass hierarchy of OWL to describe service groups and use this semantic information to selectively forward service requests. OWL-based service description also enables increased flexibility in service matching. We present simulation results that show that our protocol achieves increased efficiency in discovering services ( compared to traditional broadcast-based mechanisms) by efficiently utilizing bandwidth via controlled forwarding of service requests.
Keyword:
service discovery architecture
pervasive computing
MANET
OWL
semantic description
peer-to-peer
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IF:
9.2
论文数:
5.9K
被引数:
1.8W
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