Rushu Peng

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This paper proposed an approach to process unstructured text query. The approach applies domain ontology in converting unstructured text to structured one. Then it uses ontology mapping technology in the knowledge searching process. It builds relationship between the structured text and cases in the knowledge base. In this way, the cases that match the(More)
E-learning platform evaluation is one of the most important issues in E-learning platform management. It is a multi-criteria decision problem including various factors. Traditional methods have many shortcomings. Fuzzy AHP model is established to solve this problem. A general evaluation method is provided and steps are presented. As a case study, the model(More)
Material WC-12Co has good characters of wear-resisting, anticorrosion and high temperature resisting. High performance material can be made by surface technology that adds WC-12Co on the surface of common material. With the flame spraying and laser cladding technique, the surface of 45# steel is covered firstly with a layer of WC-12Co cermets powder, and(More)
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