Named entity recognition tools

Named entity recognition (NER) 或稱命名實體識別、實體識別、專有名詞辨識

CKIP Neural Chinese Word Segmentation, POS Tagging, and NER

ckiplab/ckiptagger: CKIP Neural Chinese Word Segmentation, POS Tagging, and NER

• license: GNU General Public License v3.0
• language support: Traditional Chinese
• programming language: Python
• classes of entity

Class name in English	Class name in Traditional Chinese
person	人名
norp	團體
FAC	設施
facility	設施*
ORG	組織
organization	組織*
gpe	地理
LOC	地點
location	地點*
product	商品
event	事件
WORK	藝術品
work of art	藝術品*
law	法律
language	語言
date	日期
time	時間
percent	比例
money	錢
quantity	數量
ordinal	序數
cardinal	數詞

Notes: Asterisk symbol means there are different class name in English but same class name in Chinese.

Stanford CoreNLP

Stanford CoreNLP – Natural language software | Stanford CoreNLP

• license: GNU General Public License v3
• language support: English, Chinese ..
• programming language: Java
• classes of entity: "For English, by default, this annotator recognizes named (PERSON, LOCATION, ORGANIZATION, MISC), numerical (MONEY, NUMBER, ORDINAL, PERCENT), and temporal (DATE, TIME, DURATION, SET) entities (12 classes). "

spaCy

spaCy · Industrial-strength Natural Language Processing in Python

• license: MIT License
• language support:
• programming language: Python
• classes of entity: "PERSON, NORP, FAC, ORG, GPE, LOC, PRODUCT, EVENT, WORK_OF_ART, LAW, LANGUAGE, DATE, TIME, PERCENT, MONEY, QUANTITY, ORDINAL and CARDINAL "

Google Cloud Natural Language

Cloud Natural Language  |  Cloud Natural Language API  |  Google Cloud

• license:
• language support: 語言支援  |  Cloud Natural Language API  |  Google Cloud included Traditional Chinese
• programming language: multiple
• Score: Available. salience score in the [0, 1.0] range. "The salience score for an entity provides information about the importance or centrality of that entity to the entire document text. Scores closer to 0 are less salient, while scores closer to 1.0 are highly salient."
• classes of entity: Details on Entity  |  Cloud Natural Language API  |  Google Cloud -> Type of the entity e.g. "UNKNOWN, PERSON, LOCATION, ORGANIZATION, EVENT, WORK_OF_ART, CONSUMER_GOOD, OTHER, PHONE_NUMBER, ADDRESS, DATE, NUMBER and PRICE"

Amazon Comprehend

Amazon Comprehend – 自然語言處理(NLP) 和機器學習 (ML)

• license:
• language support:
• programming language:
• classes of entity: "COMMERCIAL_ITEM, DATE, EVENT, LOCATION, ORGANIZATION, OTHER, PERSON, QUANTITY and TITLE" as the following:

Type	Description	Type 中文
COMMERCIAL_ITEM	A branded product	商品
DATE	A full date (for example, 11/25/2017), day (Tuesday), month (May), or time (8:30 a.m.)	日期
EVENT	An event, such as a festival, concert, election, etc.	事件
LOCATION	A specific location, such as a country, city, lake, building, etc.	地點
ORGANIZATION	Large organizations, such as a government, company, religion, sports team, etc.	機構
OTHER	Entities that don't fit into any of the other entity categories	其他
PERSON	Individuals, groups of people, nicknames, fictional characters	人名
QUANTITY	A quantified amount, such as currency, percentages, numbers, bytes, etc.	量詞
TITLE	An official name given to any creation or creative work, such as movies, books, songs, etc.	抬頭

IBM Watson

Watson Natural Language Understanding

• license:
• language support:
• programming language:
• classes of entity: "Date, Duration, EmailAddress, Facility, GeographicFeature, Hashtag, IPAddress, JobTitle, Location and more ..."

卓騰語言科技中文斷詞

卓騰語言科技中文斷詞 API

• license:
• language support: Traditional Chinese
• programming language:
• classes of entity: "person, location, time, measurement and more ... "

百度AI开放平台

语言处理基础技术-百度AI开放平台 "专名识别"

• license:
• language support: simplified Chinese
• programming language: multiple
• classes of entity:

Class name in English (缩略词)	Class name in Simplified Chinese	Class name in Traditional Chinese
PER	人名	人名
LOC	地名	地名
ORG	机构名	機構名
TIME	时间	時間

BosonNLP (out of service)

BosonNLP

• license:
• language support: simplified Chinese
• programming language: multiple
• classes of entity: "time, location, person_name, org_name, company_name, product_name and job_title "

Class name in English	Class name in Simplified Chinese	Class name in Traditional Chinese
time	时间	時間
location	地点	地點
person_name	人名	人名
org_name	组织名	組織名
company_name	公司名	公司名
product_name	产品名	產品名
job_title	职位	職位

other NER tools

• Article Extraction API Documentation - Diffbot "Array of tags/entities, generated from analysis of the extracted text and cross-referenced with DBpedia and other data sources. Language-specific tags will be returned if the source text is in English, Chinese, French, German, Spanish or Russian."
• 搭配文字分析 API 使用實體辨識 - Azure Cognitive Services | Microsoft Docs