基于LDA模型和分类号的专利技术演化研究

廖列法, 勒孚刚

Research on Patent Technology Evolution Based on LDA Model and Classification Number

Liao Liefa, Le Fugang

现代情报 . 2017, (5): 13 -18 . DOI: 10.3969/j.issn.1008-0821.2017.05.003