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The extraction of patent subject words is the principal task in the patent analysis. In this paper, we apply the technology of information mining to the patent literature, and propose a new method for the automatic extraction of patent subject words. According to the characteristics of patent theme, a method which combined the reverse combinational words and Mutual Information is adopted to extract...
By analyzing the characteristics of Chinese noun phrase, propose an automatic identification method of Chinese noun phrase based on statistics and rules. The method includes efficient binary statistical model, mutual information, and rules for knowledge established from a large number of corpus. Then we analyze the distribution of noun phrase in detail. The results show that the method is fit for...
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