T train (planned)
E898112
The T train (planned) is a proposed New York City Subway service that will operate along the future Second Avenue Subway line in Manhattan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| T train (planned) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10983875 — 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: T train (planned) Context triple: [Second Avenue Line, servicedBy, T train (planned)]
-
A.
3 train
The 3 train is a New York City Subway service that runs on the IRT Lenox Avenue and Eastern Parkway Lines, connecting Manhattan and Brooklyn.
-
B.
5 train
The 5 train is a New York City Subway service that runs primarily along the IRT Lexington Avenue Line in Manhattan and the Eastern Parkway and Dyre Avenue lines in the Bronx, providing both local and express service.
-
C.
C train
The C train is a local service on the New York City Subway’s Eighth Avenue Line, running primarily between Upper Manhattan and Brooklyn.
-
D.
4 train
The 4 train is a New York City Subway service that runs along the Lexington Avenue Line in Manhattan, providing express service between the Bronx and Brooklyn.
-
E.
Z train
The Z train is a New York City Subway rush-hour, skip-stop service that runs along the J line in Brooklyn and Queens, providing limited-stop service between Jamaica Center and lower Manhattan.
- 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: T train (planned) Target entity description: The T train (planned) is a proposed New York City Subway service that will operate along the future Second Avenue Subway line in Manhattan.
-
A.
3 train
The 3 train is a New York City Subway service that runs on the IRT Lenox Avenue and Eastern Parkway Lines, connecting Manhattan and Brooklyn.
-
B.
5 train
The 5 train is a New York City Subway service that runs primarily along the IRT Lexington Avenue Line in Manhattan and the Eastern Parkway and Dyre Avenue lines in the Bronx, providing both local and express service.
-
C.
C train
The C train is a local service on the New York City Subway’s Eighth Avenue Line, running primarily between Upper Manhattan and Brooklyn.
-
D.
4 train
The 4 train is a New York City Subway service that runs along the Lexington Avenue Line in Manhattan, providing express service between the Bronx and Brooklyn.
-
E.
Z train
The Z train is a New York City Subway rush-hour, skip-stop service that runs along the J line in Brooklyn and Queens, providing limited-stop service between Jamaica Center and lower Manhattan.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
proposed New York City Subway service
ⓘ
rapid transit service ⓘ |
| abbreviation | T ⓘ |
| announcedBy | Metropolitan Transportation Authority ⓘ |
| boroughServed | Manhattan ⓘ |
| colorOnMap |
teal
ⓘ
turquoise ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| division | B Division ⓘ |
| fareSystem | MTA New York City Subway fare system ⓘ |
| intendedFunction |
provide north–south service on Manhattan’s East Side
ⓘ
relieve crowding on the Lexington Avenue Line ⓘ |
| lineDesignation | T ⓘ |
| locatedIn |
Manhattan
ⓘ
New York City ⓘ |
| operatedBy | New York City Transit Authority ⓘ |
| partOf | New York City Subway ⓘ |
| plannedToOperateOn | Second Avenue Line ⓘ |
| plannedToServe |
East Harlem
ⓘ
Financial District ⓘ Lower East Side ⓘ Upper East Side ⓘ |
| planningAgency | Metropolitan Transportation Authority ⓘ |
| powerSupply | 750 V DC third rail ⓘ |
| serviceType | local ⓘ |
| status |
planned
ⓘ
proposed ⓘ |
| trackGauge | standard gauge ⓘ |
| transportMode | subway ⓘ |
| usesLine | Second Avenue Subway ⓘ |
| usesRollingStock | B Division subway cars ⓘ |
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: T train (planned) Description of subject: The T train (planned) is a proposed New York City Subway service that will operate along the future Second Avenue Subway line in Manhattan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.