11_Knowledge_Graph.md

Common Knowledge Graph

1. Probase

   • to tackle general purpose understanding of human language.
   • isA paris: cat isA animal
   • a super-concept and a sub-concept

2. Cyc project

   • manually

3. FreeBase

   • manually
   • 125 million facts, 4,000 types and 7,000 properties

4. YAGO (Yet Another Great Ontology)

   • automatically

5. NELL

   • automatically

6. WordNet

   • manually
   • 117,000 synsets, 146,000 terms
   • widely used for term disambiguation

7. DBpedia

   • automatically
   • extracting Wikipedia Infobox into knowledge facts.
   • 670 million triples in RDF format, 280 classes, 5.5 million entities and 9,000 attributes

8. ConceptNet

   • crowd sourcing manner
   • focused on the commonsense relations including isA, partOf, usedFor, capableOf
   • 21 million edges and over 8 million nodes

9. NELL

10. KnowItAll

    • in an unsupervised, domain-independent and scalable manner

Concept Knowledge Graph

1. Microsoft Concept Graph: Mining Semantic Concepts for Short Text Understanding.

   • 2019. Microsoft
   • todo

2. Understanding Short Texts.

   • 2016. ACL.
   • todo

Project

1. 新闻知识图谱
   • 基于实体"共现"构造关系. (共现次数过滤)
   • 基于实体聚类/实体相似度计算关系
   • 实体关系抽取