WAS
E1372
WAS is the station code for Washington, D.C.’s main intercity and commuter rail hub, Union Station.
All labels observed (1)
| Label | Occurrences |
|---|---|
| WAS canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10984 — 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: WAS Context triple: [Union Station (Washington, D.C.), hasStationCode, WAS]
-
A.
WAS
WAS is the standard three-letter abbreviation used for the Washington Commanders NFL franchise.
-
B.
SHASS
SHASS is the abbreviated name commonly used for the School of Humanities, Arts, and Social Sciences at academic institutions.
-
C.
HUP
HUP is a major academic medical center in Philadelphia that serves as the flagship teaching hospital of the University of Pennsylvania's health system.
-
D.
NAS
NAS is a private, nonprofit society of distinguished scholars in the United States that advises the nation on matters related to science and technology.
-
E.
Blitz
The Blitz was the sustained German bombing campaign against the United Kingdom, particularly London, during 1940–1941 in World War II.
- 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: WAS Target entity description: WAS is the station code for Washington, D.C.’s main intercity and commuter rail hub, Union Station.
-
A.
WAS
WAS is the standard three-letter abbreviation used for the Washington Commanders NFL franchise.
-
B.
SHASS
SHASS is the abbreviated name commonly used for the School of Humanities, Arts, and Social Sciences at academic institutions.
-
C.
HUP
HUP is a major academic medical center in Philadelphia that serves as the flagship teaching hospital of the University of Pennsylvania's health system.
-
D.
NAS
NAS is a private, nonprofit society of distinguished scholars in the United States that advises the nation on matters related to science and technology.
-
E.
Blitz
The Blitz was the sustained German bombing campaign against the United Kingdom, particularly London, during 1940–1941 in World War II.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
Amtrak station code
ⓘ
IATA-like rail station code ⓘ railway station code ⓘ |
| appliesTo |
main commuter rail hub of Washington, D.C.
ⓘ
main intercity rail hub of Washington, D.C. ⓘ |
| associatedWith |
Northeast Corridor
ⓘ
commuter rail services ⓘ intercity passenger rail services ⓘ |
| codeFor |
Union Station (Washington, D.C.)
ⓘ
linked to:
Union Station
|
| codeType | rail station code ⓘ |
| country | United States of America ⓘ |
| locatedIn | Washington, D.C. ⓘ |
| network | Amtrak national rail network ⓘ |
| primaryCityServed | Washington, D.C. ⓘ |
| railHubFor |
Washington, D.C. metropolitan area
ⓘ
linked to:
Washington metropolitan area
|
| refersTo |
Washington Union Station
ⓘ
linked to:
Union Station
|
| regionServed |
Mid-Atlantic United States
ⓘ
linked to:
Mid-Atlantic states
Northeastern United States ⓘ Southeastern United States ⓘ
linked to:
Southern United States
|
| status | active ⓘ |
| transportMode | rail ⓘ |
| usedBy |
Amtrak
ⓘ
MARC Train ⓘ Virginia Railway Express ⓘ |
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: WAS Description of subject: WAS is the station code for Washington, D.C.’s main intercity and commuter rail hub, Union Station.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Union Station