Data as of Aug 22, 2026 · Based on 3,217,391 AI responses across 10,683 prompts · See how Parse measures this
ID.LOC.GOV is a Linked Data Service that provides interactive and machine access to commonly used ontologies, controlled vocabularies, and other lists for bibliographic description. It offers searchable resources including BIBFRAME works, instances, and hubs, as well as subject headings, classifications, name authorities, genre terms, languages, geographic areas, and various cataloging vocabularies.
Sources
ala.org shapes more of what AI says about Library of Congress Subject Headings than any other source, at 20% of its citations.
camerahouse.com.au · digitalnc.org · er.educause.edu · thephotomanagers.com
The market map
Museum Conservation & Collection Management →Where AI ranks Library of Congress Subject Headings