KDCA
E1374
KDCA is the ICAO airport code for Ronald Reagan Washington National Airport, a major commercial airport serving the Washington, D.C. metropolitan area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| KDCA canonical | 7 |
| KDCA-centered SFRA | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11021 — 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: KDCA Context triple: [Ronald Reagan Washington National Airport, ICAOcode, KDCA]
-
A.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
B.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
C.
Arlington, Virginia
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
-
D.
Dallas, Texas
Dallas, Texas is a major metropolitan city in northern Texas known for its role as a commercial and cultural hub, particularly in finance, technology, and telecommunications.
-
E.
Kansas City, Missouri, United States
Kansas City, Missouri, United States, is a major Midwestern city known for its jazz heritage, distinctive barbecue cuisine, and significant role in American political history.
- 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: KDCA Target entity description: KDCA is the ICAO airport code for Ronald Reagan Washington National Airport, a major commercial airport serving the Washington, D.C. metropolitan area.
-
A.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
B.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
C.
Arlington, Virginia
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
-
D.
Dallas, Texas
Dallas, Texas is a major metropolitan city in northern Texas known for its role as a commercial and cultural hub, particularly in finance, technology, and telecommunications.
-
E.
Kansas City, Missouri, United States
Kansas City, Missouri, United States, is a major Midwestern city known for its jazz heritage, distinctive barbecue cuisine, and significant role in American political history.
- F. None of above. chosen
Statements (41)
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: KDCA Description of subject: KDCA is the ICAO airport code for Ronald Reagan Washington National Airport, a major commercial airport serving the Washington, D.C. metropolitan area.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.