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Along with a massive amount of information being placed online, it is a challenge to exploit the internal and external information of documents when assessing similarity between them. A variety of approaches have been proposed to model the document similarity based on different foundations, but usually they are not applicable for combining internal and external information. In this paper, we introduce...
A logical balanced tree structure can be overlaid on a peer-to-peer (P2P) network to support both exact match and range queries. Load balancing mechanisms are needed for handling skew problems in a tree-structured network. Traditional load balancing operations, such as sequentially probing for helper nodes and readjusting the tree structure after moving a node, may incur high costs. This research...
Message processing can become unsecured resulting in unreliable business collaboration in terms of authorization policy conflicts, for example, when (1) incorrect role assignment or modification occurs in a partner’s services or (2) messages transferred from one organization are processed by unqualified roles in other collaborating business participants. Therefore, verification mechanism based on...
Automated discovery of web services with desired functionality is an active research area because of its role in realising the envisioned advantages of the semantic web, such as functional reuse and automated composition. Existing approaches generally determine matches by inferring subsumption relationships between a request and a service specification, but may return poor results if service profiles...
Composite Web Service selection is one of the most important issues in Web Service Composition. During the selection process, while the decision making during the selection process is much easy in the term of the functional properties of Web Service, it is very difficult in terms of the non-functional properties. In this paper, we investigate the problem of composite Web Service selection. We propose...
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