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An important and widespread topic in cloud computing is text analyzing. People often use topic model which is a popular and effective technology to deal with related tasks. Among all the topic models, sLDA is acknowledged as a popular supervised topic model, which adds a response variable or category label with each document, so that the model can uncover the latent structure of a text dataset as...
Vegetation background research, especially the basic work of ecological environment construction in arid area of northwest China has become much more significantly gradually. Potential vegetation is the most stable and mature climax vegetation type which achieves the balance state finally without human interference, and it can also be used to rehabilitate and reconstruct of vegetation regionally....
Despite the proliferation of database marketing in the marketing engineering literature, there is little research that focuses on how to segment customers and find out the valuable customers within a reward programs database. The paper develops a RFMG model, which based on RFM model by creating gap coefficient to consider purchases made at competitors, to target valuable customers. The validity of...
Web services composition technology is promising technology to efficiently integrate heterogeneous, distributed and legacy software system. Performance becomes the key issue when Web services composition model complex and mission-critical application. The defect of design can result in the performance bottleneck problem in the running time. In this paper, we propose a simulation-based model for the...
Web Services can be composed to build domain-specific application and solution. Some Web Services Composition (WSC) standards are proposed, for instance, WS-BPEL and WS-CDL. WS-BPEL consists of basic activity, structured activity and control-flow. It uses control-flow to construct sequence, branching, parallelism, synchronization, etc. This paper proposes an approach to formally analyze transaction...
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