{"id":"https://openalex.org/keywords/ship-classification-rules","display_name":"ship classification rules","description":"Ship classification rules are technical requirements established by classification societies for the design, construction, and survey of ships and their equipment.","display_name_alternatives":["vessel classification rules","classification society rules for ships","rules for ship classification","ship class rules","classification rules for ships"],"ids":{"openalex":"https://openalex.org/keywords/ship-classification-rules","wikidata":null},"primary_topic":{"id":"https://openalex.org/T14412","display_name":"Marine and Coastal Research","score":0.7574,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T14412","display_name":"Marine and Coastal Research","score":0.7574,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":476,"cited_by_count":241,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/ship-classification-rules","updated_date":"2026-10-21T04:06:17","created_date":"2026-09-30T00:00:00"}
