SACO
E434223
SACO is a cooperative cataloging program through which libraries propose new and revised subject headings and classification numbers for inclusion in national authority files.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SACO canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4345771 — 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: SACO Context triple: [Program for Cooperative Cataloging, sponsors, SACO]
-
A.
Mattapan
Mattapan is a residential neighborhood in Boston, Massachusetts, known for its diverse community and location in the city's southern section.
-
B.
Saco, Maine
Saco, Maine is a small coastal city in southern Maine known for its historic mill district, beaches, and proximity to the Portland metropolitan area.
-
C.
Quincy
Quincy is a French wine appellation in the Loire Valley known primarily for its crisp, aromatic white wines made from Sauvignon Blanc.
-
D.
Quincy
Quincy is a historic elevated rapid transit station in downtown Chicago’s Loop, known for its preserved 19th-century architecture and service on multiple Chicago 'L' lines.
-
E.
Quincy
Quincy is a coastal city in eastern Massachusetts known as the "City of Presidents" for being the birthplace of U.S. presidents John Adams and John Quincy Adams.
- 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: SACO Target entity description: SACO is a cooperative cataloging program through which libraries propose new and revised subject headings and classification numbers for inclusion in national authority files.
-
A.
Mattapan
Mattapan is a residential neighborhood in Boston, Massachusetts, known for its diverse community and location in the city's southern section.
-
B.
Saco, Maine
Saco, Maine is a small coastal city in southern Maine known for its historic mill district, beaches, and proximity to the Portland metropolitan area.
-
C.
Quincy
Quincy is a French wine appellation in the Loire Valley known primarily for its crisp, aromatic white wines made from Sauvignon Blanc.
-
D.
Quincy
Quincy is a historic elevated rapid transit station in downtown Chicago’s Loop, known for its preserved 19th-century architecture and service on multiple Chicago 'L' lines.
-
E.
Quincy
Quincy is a coastal city in eastern Massachusetts known as the "City of Presidents" for being the birthplace of U.S. presidents John Adams and John Quincy Adams.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
cooperative cataloging program
ⓘ
library cataloging initiative ⓘ |
| abbreviationOf | Subject Authority Cooperative Program ⓘ |
| administeredBy | Policy, Training, and Cooperative Programs Division of the Library of Congress ⓘ |
| benefit |
improved subject access in library catalogs
ⓘ
standardization of classification numbers ⓘ standardization of subject headings ⓘ |
| coordinatedBy | Library of Congress ⓘ |
| field |
authority control
ⓘ
bibliographic control ⓘ library and information science ⓘ |
| fullName | Subject Authority Cooperative Program ⓘ |
| geographicScope | international ⓘ |
| hasParticipant |
academic libraries
ⓘ
consortia of libraries ⓘ national libraries ⓘ public libraries ⓘ special libraries ⓘ |
| hasTraining |
online documentation
ⓘ
workshops for catalogers ⓘ |
| language | English ⓘ |
| method | submission of proposals to the Library of Congress ⓘ |
| operatesOn | national authority files ⓘ |
| output |
authority records
ⓘ
authorized subject headings ⓘ classification numbers ⓘ revised subject headings ⓘ |
| partOf | Program for Cooperative Cataloging ⓘ |
| purpose |
to enable libraries to propose new classification numbers
ⓘ
to enable libraries to propose new subject headings ⓘ to enable libraries to propose revised classification numbers ⓘ to enable libraries to propose revised subject headings ⓘ to expand national authority files ⓘ |
| relatedProgram |
BIBCO
ⓘ
CONSER ⓘ NACO ⓘ |
| requires |
adherence to Library of Congress standards
ⓘ
adherence to PCC policies ⓘ |
| sponsor | Library of Congress ⓘ |
| startDate | 1995 ⓘ |
| usesSystem |
LC Demographic Group Terms
ⓘ
linked to:
Library of Congress Demographic Group Terms
LC Genre/Form Terms ⓘ
linked to:
Library of Congress Genre/Form Terms
Library of Congress Classification ⓘ Library of Congress Subject Headings ⓘ |
| website | https://www.loc.gov/aba/pcc/saco/ ⓘ |
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: SACO Description of subject: SACO is a cooperative cataloging program through which libraries propose new and revised subject headings and classification numbers for inclusion in national authority files.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.