US-DC
E216298
US-DC is the ISO 3166-2 code representing the District of Columbia, the federal district containing the capital city of the United States, Washington, D.C.
All labels observed (1)
| Label | Occurrences |
|---|---|
| US-DC canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1933182 — 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: US-DC Context triple: [District of Columbia, ISOCode, US-DC]
-
A.
Washington, United States
Washington, United States is a state in the Pacific Northwest region known for its diverse landscapes, technology industry centered around Seattle, and significant cultural and economic influence.
-
B.
US
US is the IATA airline designator code assigned to the former American airline US Airways.
-
C.
DCU
DCU is the common abbreviation for D.C. United, a professional Major League Soccer club based in Washington, D.C.
-
D.
EUA
EUA (European University Association) is a major organization representing and supporting higher education institutions and national rectors’ conferences across Europe in areas such as policy, quality assurance, and institutional development.
-
E.
US-SD
US-SD is the ISO 3166-2 subdivision code that uniquely identifies the U.S. state of South Dakota.
- 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: US-DC Target entity description: US-DC is the ISO 3166-2 code representing the District of Columbia, the federal district containing the capital city of the United States, Washington, D.C.
-
A.
Washington, United States
Washington, United States is a state in the Pacific Northwest region known for its diverse landscapes, technology industry centered around Seattle, and significant cultural and economic influence.
-
B.
US
US is the IATA airline designator code assigned to the former American airline US Airways.
-
C.
DCU
DCU is the common abbreviation for D.C. United, a professional Major League Soccer club based in Washington, D.C.
-
D.
EUA
EUA (European University Association) is a major organization representing and supporting higher education institutions and national rectors’ conferences across Europe in areas such as policy, quality assurance, and institutional development.
-
E.
US-SD
US-SD is the ISO 3166-2 subdivision code that uniquely identifies the U.S. state of South Dakota.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
ISO 3166-2 code
ⓘ
subdivision code ⓘ |
| appliesToTerritoryOf | United States federal district containing the U.S. capital ⓘ |
| assignedTo | United States of America subdivision ⓘ |
| classification | principal subdivision of a UN member state in ISO 3166-2 ⓘ |
| codeStructure | two-letter country code plus hyphen plus subdivision code ⓘ |
| countryCode | US ⓘ |
| countrySubdivisionCode | DC ⓘ |
| formatExample | US-DC ⓘ |
| hasHyphen | yes ⓘ |
| identifiesCapitalRegionOf |
United States
ⓘ
linked to:
United States of America
|
| isUniqueWithin | ISO 3166-2:US ⓘ |
| languageNeutral | yes ⓘ |
| partOfStandard |
ISO 3166-2
ⓘ
linked to:
ISO 3166
|
| regionTypeInStandard | District ⓘ |
| relatedStandard | ISO 3166-1 ⓘ |
| represents |
District of Columbia
ⓘ
Washington, D.C. (federal district) ⓘ
linked to:
Washington, D.C.
|
| script | Latin ⓘ |
| standardizedBy | International Organization for Standardization ⓘ |
| status | active code in ISO 3166-2 ⓘ |
| subdivisionCategory | federal district ⓘ |
| subdivisionName |
District of Columbia
ⓘ
Washington, D.C. ⓘ |
| usedFor | identifying the District of Columbia in international standards ⓘ |
| usedIn |
data exchange formats
ⓘ
databases ⓘ geocoding systems ⓘ software applications ⓘ |
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: US-DC Description of subject: US-DC is the ISO 3166-2 code representing the District of Columbia, the federal district containing the capital city of the United States, Washington, D.C.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.