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This paper proposed a recommended method of standard bibliography based on topic model which fused multi-feature. Firstly, the LDA topic model was used to analyze the standard resource which user concerned, then the user attention model was created by combined with the user's information, Secondly, by analyze the feature of standard bibliography documents in attribute, classification and association...
Given the dynamic nature of the cloud, resulting from mapping virtual to physical resources, changes in the usage pattern of resources, migration of virtual resources and the dynamic nature of the applications themselves, the bottleneck resource in a given application changes over time. Promptly identifying the bottleneck of cloud application and consequently taking corrective actions (e.g. admission...
Polychromatic sets theory is summarized. Based on the study of process demand for silicon piece manufacturing and process sequence, the polychromatic sets theory was applied to construct the mathematical model of silicon piece process planning. The model was comprised of contour matrix and polychromatic graph, which were respectively used to describe the process demand for silicon piece manufacturing...
It is the foundation of developing virtual prototype to construct assembly model. On the basis of that the advantages and disadvantages of the existing assembly model are pointed out through studying on relational models separately, a new virtual assembly model based on scene graphics technology of extensible group node, which is suitable to personal computer, is brought forward. Using this new scene...
In document retrieval, query words expansion is normally based on semantic relation of query words. While using natural language questions to retrieve documents, because of more abundant semantic relation of question than that of query words, the precision can be improved by expanding query according to question characteristics. This paper puts forward a query expansion method for answering document...
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