{"id":"https://openalex.org/keywords/subject-classification","display_name":"subject classification","description":"A library and information science method for organizing materials according to their subjects or intellectual content.","display_name_alternatives":["classification by subject","subject-based classification","subject classification system"],"ids":{"openalex":"https://openalex.org/keywords/subject-classification","wikidata":"https://www.wikidata.org/wiki/Q117833250"},"primary_topic":{"id":"https://openalex.org/T14330","display_name":"Library Science and Information Systems","score":0.5197,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T14330","display_name":"Library Science and Information Systems","score":0.5197,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":5421,"cited_by_count":10793,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/subject-classification","updated_date":"2026-10-22T04:07:25","created_date":"2026-09-30T00:00:00"}
