Xin An, Jinghong Li, Shuo Xu, Liang Chen, and Wei Sun, 2021. An Improved Patent Similarity Measurement based on Entities and Semantic Relations. Journal of Informetrics.

• Python 3模块：
  • Pandas: pip install pandas
  • NLTK: pip install nltk
  • NetworkX: pip install networkx

安装好模块后，进入python环境，下载wordnet资源：

> import nltk
> nltk.download('wordnet')
> nltk.download("wordnet_ic")

• Matlab 2018b以上版本，并配置好python环境，可参考：https://zhuanlan.zhihu.com/p/47655091