A51
E658601
A51 is the station code for the Euclid Avenue subway station in New York City’s transit system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A51 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7342290 — 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: A51 Context triple: [Euclid Avenue, stationCode, A51]
-
A.
A5103
A5103 is a primary A-road in Manchester, England, providing a key route between the city centre and the M56 motorway.
-
B.
A55
A55 is a major Australian highway route designation used for sections of the Castlereagh Highway in New South Wales.
-
C.
A55
The A55 is a major road in North Wales that forms part of the key route along the north coast, linking towns such as Hawarden to the wider regional and national road network.
-
D.
A500
A500 is the common shorthand for the Commodore Amiga 500, a popular late-1980s home computer known for its advanced graphics and sound capabilities.
-
E.
A59
A59 is a major road in northern England that runs between Liverpool and York, passing through key towns such as Preston and Skipton.
- 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: A51 Target entity description: A51 is the station code for the Euclid Avenue subway station in New York City’s transit system.
-
A.
A5103
A5103 is a primary A-road in Manchester, England, providing a key route between the city centre and the M56 motorway.
-
B.
A55
A55 is a major Australian highway route designation used for sections of the Castlereagh Highway in New South Wales.
-
C.
A55
The A55 is a major road in North Wales that forms part of the key route along the north coast, linking towns such as Hawarden to the wider regional and national road network.
-
D.
A500
A500 is the common shorthand for the Commodore Amiga 500, a popular late-1980s home computer known for its advanced graphics and sound capabilities.
-
E.
A59
A59 is a major road in northern England that runs between Liverpool and York, passing through key towns such as Preston and Skipton.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | New York City Subway station code ⓘ |
| appliesToDivision | IND Division ⓘ |
| appliesToLine |
IND Fulton Street Line
ⓘ
linked to:
Fulton Street Line (IND)
|
| appliesToService |
A
ⓘ
C ⓘ |
| assignedBy |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority ⓘ |
| city | New York City ⓘ |
| codeType | internal station identifier ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fareControlArea |
Euclid Avenue station complex
ⓘ
linked to:
Euclid–East 120th station
|
| locatedInBorough | Brooklyn ⓘ |
| locatedInSystem | New York City Subway ⓘ |
| neighborhood | East New York ⓘ |
| notTypicallyShownTo | general public ⓘ |
| partOfNetwork | MTA New York City Transit station coding scheme ⓘ |
| refersTo | Euclid Avenue ⓘ |
| state | New York ⓘ |
| stationName | Euclid Avenue ⓘ |
| usedBy |
MTA employees
ⓘ
maintenance staff ⓘ transit planners ⓘ |
| usedFor |
data systems
ⓘ
operations ⓘ scheduling ⓘ |
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: A51 Description of subject: A51 is the station code for the Euclid Avenue subway station in New York City’s transit system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.