{"id":"https://openalex.org/keywords/system-definition","display_name":"system definition","description":"The activity of specifying a system\u2019s purpose, boundaries, requirements, and structure during systems engineering, project planning, or conceptual design.","display_name_alternatives":["definition of a system","defining a system","definition of system"],"ids":{"openalex":"https://openalex.org/keywords/system-definition","wikidata":null},"primary_topic":{"id":"https://openalex.org/T12000","display_name":"Systems Engineering Methodologies and Applications","score":0.2087,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12000","display_name":"Systems Engineering Methodologies and Applications","score":0.2087,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":642,"cited_by_count":3797,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/system-definition","updated_date":"2026-10-22T04:07:25","created_date":"2022-04-12T19:38:12"}