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A Service Publishing and Service Location Algorithm for Internet of Things
Abstract:
The designation idea and the hierarchy model for the WSDS based on double hierarchy topology have been described. In order to support QoS-based Web services publish and discovery, the QoS broker mechanism is introduced into the traditional Web service discovery model. On the basis of these, according to the characteristics of QoS requirements of different users, a QoS-based Web service discovery algorithm is proposed. Put forward dynamic tuple model, give two-phase service location algorithm adapting double hierarchy topology network, and then compare and test with the correlative work of UDDI. Hierarchy model is introduced to defining dynamic tuple model in the data-level for resolving the heterogeneity between diversified data source and data modal. The unified publish and query API customized to implement unified accessing mode in the abstract level. The scalability, agility and robustness of the WSDS are assured by a double hierarchy topology structure. The experiment result indicate, double hierarchy topology system has obvious self-organization and well scalability, and adopt to the independence of web service, dynamic change and strong distributing, at one time, two-phase service location algorithm has well abilities of service location.
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Pages:
1581-1587
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Online since:
October 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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