自然语言处理工具之spaCy

spaCy 介绍

spaCy Homepage

spaCy Api

spaCy Github

spaCy 主要功能包括分词、词性标注、词干化、命名实体识别、名词短语提取等等。

spaCy 安装

# pip install spacy
# python -m spacy download en_core_web_sm

spaCy 基本操作

Github : SpacyDemo.ipynb

#!/usr/bin/env python
# coding: utf-8

# get_ipython().system(u'pip install spacy')
# pip install spaCy  -i https://pypi.tuna.tsinghua.edu.cn/simple
# get_ipython().system(u'python -m spacy download en_core_web_sm')


import spacy
nlp = spacy.load('en_core_web_sm')
doc = nlp(u'This is a sentence.')

# #### 1.tokenize功能

for token in doc:
    print(token)

# #### 2.词干化（Lemmatize)
for token in doc:
    print(token, token.lemma_, token.lemma)

# #### 3.词性标注(POS Tagging)

for token in doc:
    print(token, token.pos_, token.pos)

# #### 4.命名实体识别（NER）

for entity in doc.ents:
    print(entity, entity.label_, entity.label)

# #### 5.名词短语提取

for nounc in doc.noun_chunks:
    print(nounc)