开源英文实体识别结果对比

包括Spacy,NLTK,Standford结果

1. test_nltk.py #nltk 依赖:import nltk
2. test_stanford.py #依赖models/.jar models/.gz 修改各jar模型 识别结果相同
3. test_spacy.py #spacy 依赖：import spacy + en 模型，en模型效果见spacy官网介绍

各方法对比结果

• 原句：Chinese President Xi Jinping, also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, addresses a national conference in Beijing on Tuesday and Wednesday.

1. NLTK识别结果：

   1. persons
      • Xi Jinping
   2. gpes
      • Chinese
      • China
      • Beijing

2. 斯坦福ner识别结果：

   1. ORGANIZATION:
      • Communist Party of China (CPC) Central Committee Central
      • Military Commission
   2. LOCATION
      • Beijing
   3. DATE
      • Tuesday
      • Wednesday

3. Spacy识别结果：

   1. NORP:
      • Chinese
   2. PERSON:
      • Xi Jinping
   3. ORG:
      • the Communist Party of China (CPC) Central Committee
      • the Central Military Commission
   4. GPE:
      • Beijing
   5. DATE:
      • Tuesday and Wednesday

以短句结果足见识别各效果：Spacy 优于 Stanford 优于 NLTK