Wang Yufeng

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According to the retrieval algorithm of adjusting automatic the weight of multi-features, and which the algorithm exist some deficiency, like that have not the study mechanism and so on. The paper analyzed and studied in the BP neural network in the learning process, and has realized the image retrieval method based on the BP neural network relevance(More)
OBJECTIVES To delineate clinical and pathological features and determine the prognostic factors of primary intraosseous squamous cell carcinoma (PIOSCC). MATERIALS AND METHODS Patients diagnosed with PIOSCC, attending the department of oral and maxillofacial surgery, Nanjing stomatological hospital between 2005 and 2015, were identified and(More)
This paper describes perfect architecture of Grid Computing System, analyzes security requirements, security polity,security management of Grid Computing System and some security problems existing in Grid Computing System, presents a five-layer security architecture, defines a new set of security policy and gives the representation, introduces future work.(More)
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