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| 1 | 面向行为的可信Web服务选择方法显示文摘通过服务组合构建应用软件已成为SOC(Service-Oriented Computing)环境下满足用户需求的一种主要途径,而服务选择是服务组合的重要环节,其选择结果对组合服务的可信性有重要的影响。针对当前服务选择结果中服务的预期行为与执行行为相差较远的问题,设计了有效的流程相似性度量方法 FQSim。该方法综合考虑服务流程的静态结构与动态行为,提高了服务流程相似性计算结果的准确性。仿真实验验证了所提方法的有效性,与已有方法相比,流程相似性度量方法FQSim有更优的准确率。 | 邓丽平 段利国 杨丽凤 | 2019 | 计算机工程与应用2019，55，4： | 1 |
| 2 | QoS Evaluation for Web Service Recommendation显示文摘Web service recommendation is one of the most important fi elds of research in the area of service computing. The two core problems of Web service recommendation are the prediction of unknown Qo S property values and the evaluation of overall Qo S according to user preferences. Aiming to address these two problems and their current challenges, we propose two efficient approaches to solve these problems. First, unknown Qo S property values were predicted by modeling the high-dimensional Qo S data as tensors, by utilizing an important tensor operation, i.e., tensor composition, to predict these Qo S values. Our method, which considers all Qo S dimensions integrally and uniformly, allows us to predict multi-dimensional Qo S values accurately and easily. Second, the overall Qo S was evaluated by proposing an efficient user preference learning method, which learns user preferences based on users' ratings history data, allowing us to obtain user preferences quantifiably and accurately. By solving these two core problems, it became possible to compute a realistic value for the overall Qo S. The experimental results showed our proposed methods to be more efficient than existing methods. | MA You XIN Xin WANG Shangguang LI Jinglin SUN Qibo YANG Fangchun | 2015 | China Communications2015，12，4： | 1 |
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