Find authoritative entity identifiers for schema.org/sameAs

Manual Search Sources

These sources don't have a public API or require authentication. Click to search manually.

Knowledge Bases

People

Authors & Researchers

Library & Authority Files

Geographic / Places

Companies & Organizations

Movies & TV

Music

Books & Publications

Art & Culture

Medical & Life Sciences

Software & Technology

Games

Social Media

What is SameAs Entity Search?

This tool searches 25+ knowledge bases and authority files simultaneously to find authoritative entity identifiers for the schema.org sameAs property. Use these URIs in your structured data to help search engines understand your content better.

By Score tab: Shows results ranked by native popularity metrics from Wikidata, Wikipedia, DBpedia, Google Knowledge Graph, and TMDb.

API Sources (25+)

Knowledge: Wikidata, Wikipedia, DBpedia, Google KG, Library of Congress
People: VIAF, ISNI, ORCID, Semantic Scholar, Getty ULAN
Places: OpenStreetMap, Getty TGN
Companies: ROR, GLEIF
Movies & TV: TMDb, OMDb (IMDb)
Music: MusicBrainz, Discogs, Last.fm
Games: Steam
Publications: Open Library, Google Books, Crossref, arXiv
Medical & Health: MeSH, PubMed
Nature & Biology: UniProt, Wikispecies
Art & Culture: Getty AAT

How to Use

  1. Search: Enter a person, place, organization, concept, or creative work
  2. Filter: Use category tabs to narrow results (Movies, Music, People, etc.)
  3. Copy: Click the copy button next to any result to copy the sameAs URI
  4. Manual Links: For sources without APIs, use the manual search links below

Tip: The "By Score" tab shows the most notable/popular entities based on native metrics from each source.