PDF(1039 KB)
The Application of Closed Frequent Itemsets on Patent Text for Technological Evolution Analysis
Chen Liang, Zhang Jing, Yang Guancan, Lei Xiaoping
Library and Information Service ›› 2016, Vol. 60 ›› Issue (6) : 70-76.
PDF(1039 KB)
PDF(1039 KB)
The Application of Closed Frequent Itemsets on Patent Text for Technological Evolution Analysis
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