Toward distributed service discovery in pervasive computing environments

被引:117
作者
Chakraborty, D
Joshi, A
Yesha, Y
Finin, T
机构
[1] Indian Inst Technol, IBM India Res Lab, New Delhi 110016, India
[2] Univ Maryland Baltimore Cty, Dept Comp Sci & Engn, Baltimore, MD 21250 USA
基金
美国国家科学基金会;
关键词
service discovery architecture; pervasive computing; MANET; OWL; semantic description; peer-to-peer; advertisements;
D O I
10.1109/TMC.2006.26
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
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.
引用
收藏
页码:97 / 112
页数:16
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