DDC
E90479
DDC is a widely used library classification system that organizes books and other materials into numbered subject categories for easy retrieval.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T759002 — 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: DDC Context triple: [Dewey Decimal Classification, alsoKnownAs, DDC]
-
A.
DCC
DCC is a public community college located in Dutchess County, New York, offering two-year degree and certificate programs.
-
B.
DDF
DDF is the commonly used abbreviation for the Dicastery for the Doctrine of the Faith, the Vatican department responsible for promoting and safeguarding Catholic doctrine.
-
C.
CDD
CDD is the three-letter National Rail station code assigned to Cardenden railway station in Fife, Scotland.
-
D.
DDA
DDA is the commonly used abbreviation for the Division on Dynamical Astronomy, a professional group focused on the study of celestial dynamics within the American Astronomical Society.
-
E.
DSCD
DSCD is the Dynamic Systems and Control Division of the American Society of Mechanical Engineers, focusing on research, education, and professional activities in systems dynamics, control theory, and related technologies.
- 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: DDC Target entity description: DDC is a widely used library classification system that organizes books and other materials into numbered subject categories for easy retrieval.
-
A.
DCC
DCC is a public community college located in Dutchess County, New York, offering two-year degree and certificate programs.
-
B.
DDF
DDF is the commonly used abbreviation for the Dicastery for the Doctrine of the Faith, the Vatican department responsible for promoting and safeguarding Catholic doctrine.
-
C.
CDD
CDD is the three-letter National Rail station code assigned to Cardenden railway station in Fife, Scotland.
-
D.
DDA
DDA is the commonly used abbreviation for the Division on Dynamical Astronomy, a professional group focused on the study of celestial dynamics within the American Astronomical Society.
-
E.
DSCD
DSCD is the Dynamic Systems and Control Division of the American Society of Mechanical Engineers, focusing on research, education, and professional activities in systems dynamics, control theory, and related technologies.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
knowledge organization system
ⓘ
library classification system ⓘ |
| abbreviationOf | Dewey Decimal Classification ⓘ |
| allows | notation extension with decimal points ⓘ |
| basedOn | decimal notation ⓘ |
| developedBy | Melvil Dewey ⓘ |
| exampleClass |
000 Computer science, information & general works
ⓘ
100 Philosophy & psychology ⓘ 200 Religion ⓘ 300 Social sciences ⓘ 400 Language ⓘ 500 Science ⓘ 600 Technology ⓘ 700 Arts & recreation ⓘ 800 Literature ⓘ 900 History & geography ⓘ |
| feature |
hierarchical structure
ⓘ
numerical notation ⓘ relative index ⓘ subject categories ⓘ tables for standard subdivisions ⓘ |
| firstPublishedInYear | 1876 ⓘ |
| fullName | Dewey Decimal Classification ⓘ |
| geographicScope | international ⓘ |
| hasEdition | 23rd edition ⓘ |
| maintainedBy | OCLC ⓘ |
| organizes |
audio-visual materials
ⓘ
books ⓘ digital resources ⓘ periodicals ⓘ |
| originalLanguage | English ⓘ |
| purpose |
facilitate retrieval of books and other materials
ⓘ
organize library materials by subject ⓘ |
| topLevelDivisionCount | 10 ⓘ |
| topLevelDivisions |
000–099
ⓘ
100–199 ⓘ 200–299 ⓘ 300–399 ⓘ 400–499 ⓘ 500–599 ⓘ 600–699 ⓘ 700–799 ⓘ 800–899 ⓘ 900–999 ⓘ |
| usedFor |
shelving arrangement in libraries
ⓘ
subject cataloging in library catalogs ⓘ |
| usedIn |
academic libraries
ⓘ
libraries ⓘ public libraries ⓘ school libraries ⓘ special libraries ⓘ |
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: DDC Description of subject: DDC is a widely used library classification system that organizes books and other materials into numbered subject categories for easy retrieval.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: DDC