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The increasing amount of web services over the Internet enable users composing them to satisfy the users'needs efficiently. Such service composing is prone to errors. Automatically detecting incompatible web services interaction and correcting them will largely improve users' experience on service composing. When correcting the errors, two major issues need to be addressed: First, how to satisfy diverse...
With the proliferation of Web services, service engineers demand automatic service composition algorithms that not only synthesize the correct service compositions from thousands of services but also satisfy the quality requirements of users. This is known as QoS-aware automatic service composition problem. Our observation is that current research of only finding the optimal service composition result...
Current QoS-aware automatic service composition queries over a network of Web services are often one-time innature. After a network of Web services is built, such queries are issued once, and answers are found from the scratch. The underlying assumption is that the participating Web services are rather static so that their functional and non-functional parameters seldom change. However, such an assumption...
Automatic service composition has been an active research area in the field of service computing. Service engineers demand algorithms that not only synthesize the correct work plans but also meet the need of the overall qualities like response time, throughput, fee, etc. In this paper, we present a novel QoS-aware approach which adopts a two-phase graph search algorithm. This approach effectively...
With the proliferation of Web services, service engineers demand good automatic service composition algorithms that not only synthesize the correct work plans from thousands of services but also satisfy the quality requirements of the users. Our observation is that conventional approaches suffer from serious limitations in scalability and accuracy when addressing both requirements simultaneously....
Automatic service composition has been a hot topic in both academia and industry. It begins with syntactic composition, and then evolves semantic description. QoS of the composition comes into researcherspsila mind, which aims at meeting the need of the overall qualities like service fee, response time, throughput, etc. In this paper, a novel QoS-aware approach is presented. It adopts a forward filtering...
This paper realizes an approach for automatic service composition based on graph search (ASCGS for short). It forms an interoperable directed graph (IDG) by utilizing the interoperable relationships among services, and each request will be inserted temporarily to the graph as a special node, thus the automatic service composition can be implemented by searching of possible directed acyclic graphs...
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