AACR2
E27527
AACR2 (Anglo-American Cataloguing Rules, Second Edition) is a widely used library cataloging standard that provides rules for describing and accessing library materials in online and card catalogs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| AACR2 canonical | 12 |
How this entity was disambiguated
This entity first appeared as the object of triple T214319 — 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: AACR2 Context triple: [MARC standards, relatedTo, AACR2]
-
A.
American Association for Cancer Research
The American Association for Cancer Research is a leading professional organization dedicated to advancing cancer research, prevention, diagnosis, and treatment through scientific collaboration and dissemination of findings.
-
B.
ACS
ACS is a leading U.S.-based scientific society and publisher focused on advancing the chemistry enterprise and its practitioners worldwide.
-
C.
AAR
AAR is the American Association of Railroads' wheel arrangement classification system commonly used to describe locomotive axle configurations in North America.
-
D.
NCI-Designated Cancer Centers Program
The NCI-Designated Cancer Centers Program is a U.S. network of leading academic and research institutions recognized for excellence in cancer research, treatment, and prevention.
-
E.
ACA
ACA is a professional scientific organization that promotes the study and application of crystallography and structural science, primarily in North America.
- 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: AACR2 Target entity description: AACR2 (Anglo-American Cataloguing Rules, Second Edition) is a widely used library cataloging standard that provides rules for describing and accessing library materials in online and card catalogs.
-
A.
American Association for Cancer Research
The American Association for Cancer Research is a leading professional organization dedicated to advancing cancer research, prevention, diagnosis, and treatment through scientific collaboration and dissemination of findings.
-
B.
ACS
ACS is a leading U.S.-based scientific society and publisher focused on advancing the chemistry enterprise and its practitioners worldwide.
-
C.
AAR
AAR is the American Association of Railroads' wheel arrangement classification system commonly used to describe locomotive axle configurations in North America.
-
D.
NCI-Designated Cancer Centers Program
The NCI-Designated Cancer Centers Program is a U.S. network of leading academic and research institutions recognized for excellence in cancer research, treatment, and prevention.
-
E.
ACA
ACA is a professional scientific organization that promotes the study and application of crystallography and structural science, primarily in North America.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cataloging code
ⓘ
library cataloging standard ⓘ |
| alsoKnownAs |
Anglo-American Cataloging Rules, 2nd ed.
ⓘ
linked to:
Anglo-American Cataloguing Rules
|
| appliesTo |
access points
ⓘ
authority control ⓘ bibliographic description ⓘ card catalogs ⓘ library catalogs ⓘ online public access catalogs ⓘ |
| basedOn | International Standard Bibliographic Description ⓘ |
| countryOfOrigin |
Canada
ⓘ
United Kingdom ⓘ United States ⓘ
linked to:
United States of America
|
| editionNumber | 2 ⓘ |
| field | library and information science ⓘ |
| focusesOn |
choice of access points
ⓘ
descriptive cataloging ⓘ form of headings ⓘ |
| fullName |
Anglo-American Cataloguing Rules, Second Edition
ⓘ
linked to:
Anglo-American Cataloguing Rules
|
| goal |
interoperability of library catalogs
ⓘ
standardization of bibliographic records ⓘ |
| hasPart |
rules for added entries
ⓘ
rules for description of audiovisual materials ⓘ rules for description of cartographic materials ⓘ rules for description of electronic resources ⓘ rules for description of mixed materials ⓘ rules for description of monographs ⓘ rules for description of music ⓘ rules for description of serials ⓘ rules for headings for corporate bodies ⓘ rules for headings for persons ⓘ rules for series statements ⓘ rules for subject access (limited) ⓘ rules for uniform titles ⓘ |
| language | English ⓘ |
| predecessor | Anglo-American Cataloguing Rules ⓘ |
| primaryUserCommunity | cataloging librarians ⓘ |
| publisher |
American Library Association
ⓘ
Canadian Library Association ⓘ Library Association ⓘ |
| script | Latin alphabet ⓘ |
| shortName | AACR2 ⓘ |
| successor | Resource Description and Access ⓘ |
| usedBy |
academic libraries
ⓘ
national libraries ⓘ public libraries ⓘ special libraries ⓘ |
| usedIn |
Anglophone countries
ⓘ
linked to:
Anglosphere
|
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: AACR2 Description of subject: AACR2 (Anglo-American Cataloguing Rules, Second Edition) is a widely used library cataloging standard that provides rules for describing and accessing library materials in online and card catalogs.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.