Librarian of Congress
E2767
The Librarian of Congress is the chief executive and primary steward of the United States Library of Congress, overseeing its collections, services, and national library programs.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Librarian of Congress canonical | 31 |
| Office of the Librarian of Congress | 3 |
| Librarian’s Ceremonial Office | 1 |
| Library of Congress leadership | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10882 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Librarian of Congress Context triple: [Library of Congress, governedBy, Librarian of Congress]
-
A.
Library of Congress
The Library of Congress is the national library of the United States and one of the world’s largest and most comprehensive research libraries, serving as the research arm of the U.S. Congress.
-
B.
National Archives and Records Administration
The National Archives and Records Administration (NARA) is an independent U.S. federal agency responsible for preserving and providing access to the nation’s government records and historical documents.
-
C.
New York Public Library
The New York Public Library is one of the largest public library systems in the world, renowned for its extensive collections, iconic Beaux-Arts main branch in Manhattan, and role as a major cultural and research institution.
-
D.
Library of Congress Online Catalog
The Library of Congress Online Catalog is the digital search system that provides public access to the Library of Congress’s vast collections of books, recordings, photographs, maps, and other materials.
-
E.
Harvard Library
Harvard Library is the extensive academic library system of Harvard University, recognized as one of the largest and most comprehensive research library networks in the world.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Librarian of Congress Target entity description: The Librarian of Congress is the chief executive and primary steward of the United States Library of Congress, overseeing its collections, services, and national library programs.
-
A.
Library of Congress
The Library of Congress is the national library of the United States and one of the world’s largest and most comprehensive research libraries, serving as the research arm of the U.S. Congress.
-
B.
National Archives and Records Administration
The National Archives and Records Administration (NARA) is an independent U.S. federal agency responsible for preserving and providing access to the nation’s government records and historical documents.
-
C.
New York Public Library
The New York Public Library is one of the largest public library systems in the world, renowned for its extensive collections, iconic Beaux-Arts main branch in Manhattan, and role as a major cultural and research institution.
-
D.
Library of Congress Online Catalog
The Library of Congress Online Catalog is the digital search system that provides public access to the Library of Congress’s vast collections of books, recordings, photographs, maps, and other materials.
-
E.
Harvard Library
Harvard Library is the extensive academic library system of Harvard University, recognized as one of the largest and most comprehensive research library networks in the world.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
federal government position
ⓘ
leadership role ⓘ public office ⓘ |
| appointedBy | President of the United States ⓘ |
| appointedFor | indefinite term ⓘ |
| confirmedBy | United States Senate ⓘ |
| country | United States of America ⓘ |
| employer | Library of Congress ⓘ |
| fieldOfWork |
copyright administration
ⓘ
cultural heritage preservation ⓘ information management ⓘ librarianship ⓘ |
| hasAuthorityOver |
Library of Congress access policy
ⓘ
Library of Congress acquisitions policy ⓘ Library of Congress budget execution ⓘ Library of Congress cataloging policy ⓘ Library of Congress organizational structure ⓘ |
| headOf | Library of Congress ⓘ |
| inception | 1802 ⓘ |
| jurisdiction | Library of Congress ⓘ |
| legalBasis | Act of Congress ⓘ |
| locationOfWork | Washington, D.C. ⓘ |
| memberOf | federal legislative branch support offices ⓘ |
| officeType | chief executive of the Library of Congress ⓘ |
| oversees |
Library of Congress collections
ⓘ
Library of Congress digital programs ⓘ Library of Congress national library programs ⓘ Library of Congress outreach and education programs ⓘ Library of Congress preservation programs ⓘ Library of Congress reading rooms ⓘ Congressional Research Service ⓘ
surface form:
Library of Congress research services
Library of Congress services ⓘ |
| partOf | Library of Congress ⓘ |
| reportsTo | United States Congress ⓘ |
| residence | Washington, D.C. ⓘ |
| responsibleFor |
administration of Library of Congress staff
ⓘ
copyright registration administration ⓘ development of library collections ⓘ national bibliographic control ⓘ national library programs of the United States ⓘ oversight of Library of Congress collections ⓘ oversight of Library of Congress services ⓘ policy direction of the Library of Congress ⓘ preservation of library materials ⓘ strategic planning for the Library of Congress ⓘ |
| scopeOfWork | national ⓘ |
| seat | Thomas Jefferson Building ⓘ |
| sector | public sector ⓘ |
| workLocation |
James Madison Memorial Building
ⓘ
surface form:
Library of Congress buildings on Capitol Hill
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Librarian of Congress Description of subject: The Librarian of Congress is the chief executive and primary steward of the United States Library of Congress, overseeing its collections, services, and national library programs.
Referenced by (36)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Library of Congress
this entity surface form:
Librarian’s Ceremonial Office
this entity surface form:
Library of Congress leadership
this entity surface form:
Office of the Librarian of Congress
this entity surface form:
Office of the Librarian of Congress
this entity surface form:
Office of the Librarian of Congress