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In order to solve the problem that enterprise-level users mass data storage and high-speed data processing services growth, and the traditional storage system can not meet the data services business growth, enterprise file cloud storage system is proposed. It is based on Hadoop, uses Linux cluster technology, distributed file systems and cloud computing framework, provides large-scale data storage...
To improve the efficiency of accumulation and management for model knowledge in intelligent CAD system, a new semantic representation based method is presented. It represents product models by semantic representation, simplifies knowledge structure via deleting all isolated semantic nodes and control data and creates product model knowledge with independent set and strong relation set of semantic...
To improve the efficiency of genetic algorithm for feature parameter optimization, a new method is presented. It determines the range of feature parameters by the availability of model, creates the coding structure of individual by model features and coding and decoding individual by features' semantic. This method can not only improve the efficiency of coding and decoding, but also increase the evolution...
To improve the reuse ability and management level of knowledge in intelligent CAD, a new method of knowledge evaluation is presented. It represents knowledge of product model with reduced semantic dependency graph, extracts user's behavior with semantic dependency graph, determines the type of user's behavior with the constraint relations among features modified by current operation and the feature...
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