Scalable mechanism for semantic web service registry and discovery

被引：2
|
作者：
Yao Y. [1 ]
Cao J. [1 ]
Liu B. [1 ]
Sun X. [1 ]
Liu Y. [1 ]
Hu B. [1 ]
机构：
[1] School of Computer Science and Engineering, Southeast University
来源：
Dongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Southeast University (Natural Science Edition) | 2010年 / 40卷 / 02期
关键词：
Adaptability; Domain ontology; Registry proxy; Semantic web service; Web service discovery;
D O I：
10.3969/j.issn.1001-0505.2010.02.009
中图分类号：
学科分类号：
摘要：
To solve the problem of scalable application in service discovery mechanism based on traditional centralized registry, a novel architecture based on domain ontology for semantic service discovery is proposed. This distributed architecture can adjust the domain partition and allocate system resources automatically. The characteristics of this mechanism, including scalability, self-organization and adaptability, are analyzed, and the processes of service publication and discovery are described. A two-phase discovery algorithm based on the architecture is designed. The first phase is used to search appropriate registry center and the second is utilized to find service by input and output matching. Three detailed steps of the first phase are designed. Flooding problem can be solved by this two-phase discovery algorithm. The results of simulation experiments show that the proposed mechanism needs only limited transmit hops and can ensure the service discovery efficiency when service scale increases.
引用
收藏
页码：264 / 269
页数：5
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