Universal Decimal Classification
E16319
Universal Decimal Classification is an international library classification system that organizes knowledge into a detailed, hierarchical numeric scheme used widely in libraries and information centers around the world.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Universal Decimal Classification canonical | 22 |
| UDC | 1 |
| Universal Decimal Classification system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T137287 — 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: Universal Decimal Classification Context triple: [Library of Congress Classification, isDistinctFrom, Universal Decimal Classification]
-
A.
Dewey Decimal Classification
Dewey Decimal Classification is a widely used library classification system that organizes knowledge into ten main subject classes, each subdivided into more specific numeric categories.
-
B.
Library of Congress Classification
Library of Congress Classification is a comprehensive alphanumeric library classification system used primarily by academic and research libraries to organize and arrange their collections by subject.
-
C.
Library of Congress Subject Headings
Library of Congress Subject Headings is a comprehensive controlled vocabulary used by libraries worldwide to provide standardized subject access to cataloged materials.
-
D.
universal digital library
The universal digital library is a conceptual global repository aiming to provide seamless, searchable access to all recorded human knowledge in digital form.
-
E.
International Standard Book Number
The International Standard Book Number (ISBN) is a globally recognized numeric identifier assigned to books and similar publications to uniquely distinguish and catalog them.
- 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: Universal Decimal Classification Target entity description: Universal Decimal Classification is an international library classification system that organizes knowledge into a detailed, hierarchical numeric scheme used widely in libraries and information centers around the world.
-
A.
Dewey Decimal Classification
Dewey Decimal Classification is a widely used library classification system that organizes knowledge into ten main subject classes, each subdivided into more specific numeric categories.
-
B.
Library of Congress Classification
Library of Congress Classification is a comprehensive alphanumeric library classification system used primarily by academic and research libraries to organize and arrange their collections by subject.
-
C.
Library of Congress Subject Headings
Library of Congress Subject Headings is a comprehensive controlled vocabulary used by libraries worldwide to provide standardized subject access to cataloged materials.
-
D.
universal digital library
The universal digital library is a conceptual global repository aiming to provide seamless, searchable access to all recorded human knowledge in digital form.
-
E.
International Standard Book Number
The International Standard Book Number (ISBN) is a globally recognized numeric identifier assigned to books and similar publications to uniquely distinguish and catalog them.
- F. None of above. chosen
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
documentary classification
ⓘ
knowledge organization system ⓘ library classification system ⓘ |
| abbreviation |
Universal Decimal Classification
self-linksurface differs
ⓘ
surface form:
UDC
|
| appliesTo |
documentation services
ⓘ
information centers ⓘ libraries ⓘ |
| basedOn | Dewey Decimal Classification ⓘ |
| commonAuxiliariesInclude |
form
ⓘ
language ⓘ place ⓘ time ⓘ |
| countryOfOrigin | Belgium ⓘ |
| distinguishingFeature |
ability to express complex subjects through combination of notations
ⓘ
highly analytical-synthetic structure ⓘ |
| governedBy | UDC Consortium ⓘ |
| hasCharacteristic |
faceted
ⓘ
hierarchical ⓘ international ⓘ synthetic classification ⓘ |
| hasCreator |
Henri La Fontaine
ⓘ
Paul Otlet ⓘ |
| hasLanguage |
English
ⓘ
French ⓘ German ⓘ Spanish ⓘ |
| hasOfficialOnlineEdition |
UDC Consortium
ⓘ
surface form:
UDC Online
|
| hasPublisher | UDC Consortium ⓘ |
| hasPurpose |
organization of knowledge
ⓘ
shelf arrangement of documents ⓘ subject indexing ⓘ |
| hasScope | universal knowledge ⓘ |
| hasTopClass |
0 Generalities. Science and knowledge. Organization. Computer science. Information
ⓘ
1 Philosophy. Psychology ⓘ 2 Religion. Theology ⓘ 3 Social sciences ⓘ 4 [Vacant] ⓘ 5 Mathematics. Natural sciences ⓘ 6 Applied sciences. Medicine. Technology ⓘ 7 The arts. Recreation. Entertainment. Sport ⓘ 8 Language. Linguistics. Literature ⓘ 9 Geography. Biography. History ⓘ |
| hasUpdatePolicy | continuously revised ⓘ |
| inception |
1895
ⓘ
late 19th century ⓘ |
| isUsedIn |
academic libraries
ⓘ
documentation centers ⓘ national libraries ⓘ special libraries ⓘ |
| mainSubject |
knowledge organization
ⓘ
library science ⓘ |
| notationExample |
004 Computer science and technology
ⓘ
94 History ⓘ |
| publisherCountry | Netherlands ⓘ |
| publisherHeadquarters | The Hague ⓘ |
| usesAuxiliaries |
common auxiliaries
ⓘ
special auxiliaries ⓘ |
| usesNotationType |
auxiliary signs
ⓘ
decimal notation ⓘ numeric notation ⓘ |
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: Universal Decimal Classification Description of subject: Universal Decimal Classification is an international library classification system that organizes knowledge into a detailed, hierarchical numeric scheme used widely in libraries and information centers around the world.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
Universal Decimal Classification
→
abbreviation
→
Universal Decimal Classification
self-linksurface differs
ⓘ
this entity surface form:
UDC
this entity surface form:
Universal Decimal Classification system