lemonhu / Open Entity Relation Extraction
Licence: mit
Knowledge triples extraction and knowledge base construction based on dependency syntax for open domain text.
Stars: ✭ 350
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open-entity-relation-extraction
Knowledge triples extraction (entities and relations extraction) and knowledge base construction based on dependency syntax for open domain text.
基于依存句法分析，实现面向开放域文本的知识三元组抽取（实体和关系抽取）及知识库构建。
Welcome to watch, star or fork.
Example
"中国国家主席习近平访问韩国，并在首尔大学发表演讲"
We can extract knowledge triples from the sentence as follows:
- (中国, 国家主席, 习近平)
- (习近平, 访问, 韩国)
- (习近平, 发表演讲, 首尔大学)
Project Structure
knowledge_extraction/
|-- code/ # code directory
| |-- bean/
| |-- core/
| |-- demo/ # procedure entry
| |-- tool/
|-- data/ # data directory
| |-- input_text.txt # input text file
| |-- knowledge_triple.json # output knowledge triples file
|-- model/ # ltp models, can be downloaded from http://ltp.ai/download.html, select ltp_data_v3.4.0.zip
|-- resource # dictionaries dirctory
|-- requirements.txt # dependent python libraries
|-- README.md # project description
Requirements
This repo was tested on Python 3.5+. The requirements are:
- jieba>=0.39
- pyltp>=0.2.1
Quickstart
cd ./code/demo/
python extract_demo.py
Seven DSNF paradigms
References
If you use the code, please kindly cite the following paper:
Jia S, Li M, Xiang Y. Chinese Open Relation Extraction and Knowledge Base Establishment[J]. ACM Transactions on Asian and Low-Resource Language Information Processing (TALLIP), 2018, 17(3): 15.
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