PS-GIS: personalized and semantics-based grid information services

The emergence of grid as an infrastructure for sharing of large-scale resources increases the need for information services that allow an efficient management of resources. This paper proposes the Personalized and Semantics-based Grid Information Services (PS-GIS) that serve as information management units for service publishing, discovery and monitoring. We present the approach to personalization of service publishing and discovery by describing ranking the similar services to the same management region. By applying the ontology theory for characterizing semantic information, a semantics-based domain selection and service matching method is adopted. And also service description and storage mode of UDDI are extended without changing its inner implementation. Our experimental results show the benefits of PS-GIS in precision, recall and query response time when compared with various alternate strategies.

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