{"id":"https://openalex.org/keywords/relation-extraction","display_name":"relation extraction","description":"A natural language processing task that identifies semantic relationships between entities expressed in text.","display_name_alternatives":["relational extraction","relation extraction from text","relationship extraction"],"ids":{"openalex":"https://openalex.org/keywords/relation-extraction","wikidata":"https://www.wikidata.org/wiki/Q7310755"},"primary_topic":{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.4456,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.4456,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11710","display_name":"Biomedical Text Mining and Ontologies","score":0.1741,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10181","display_name":"Natural Language Processing Techniques","score":0.0895,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":8068,"cited_by_count":121313,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/relation-extraction","updated_date":"2026-10-20T04:07:40","created_date":"2026-09-30T00:00:00"}