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Research on existing vector representation method of the text data and it is advantages or disadvantages and applicability of linear and nonlinear dimensionality reduction methods, the paper analysis the feature of laws and regulations of construction data, establishes the vector space model of the text data. Based on Riemann Surface Theory and Topology Theory, adopting the globe pole mapping method...
Association analysis is especially important to users. It is becoming very important to provide association recommendation by the association analysis of construction laws and regulations data for the users. Extracted features from each document, the cumulative frequency of 85% of the requirement that has made the feature bearing the most message of the text, summary of all text feature form the feature...
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