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With the dynamic and heterogeneous characteristics of resources in grid environment, efficient service discovery becomes a challenging issue. In this paper, we propose a service discovery approach based on the distributed spanning-tree architecture. According to this architecture, we arrange the grid resources in such a hierarchical way as IS layer, institution layer, organization layer and domain...
In this paper, we mainly propose some matchmaking algorithms of Semantic Web service based on OWL-S to facilitate the comparison of input and output within service requestor and service provider, and thus lead to more accurate matchmaking,
Web services play an active role in the business integration. In this paper, we first introduce a proposed conceptual model upon the integration of Web services and Agents based on state-of-art technologies, and then analyses the functionality of the corresponding element as well as their collaborative procedure. Also a comparison with the WSIGS's architectural model is given.
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