IND 207th Street Line
E509335
The IND 207th Street Line is a rapid transit line in the New York City Subway system that carries A trains through Upper Manhattan and into northern Manhattan neighborhoods.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IND 207th Street Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5263922 — 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: IND 207th Street Line Context triple: [New York City Subway A line, usesLine, IND 207th Street Line]
-
A.
IND 63rd Street Line
The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
-
B.
Ninth Avenue Line
The Ninth Avenue Line was New York City's first elevated railway, running along Manhattan's West Side and serving as a key component of the early rapid transit system before its eventual demolition.
-
C.
Eighth Avenue Line
The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
-
D.
Sixth Avenue Line
The Sixth Avenue Line is a major New York City Subway trunk line in Manhattan that primarily carries B, D, F, and M trains along Sixth Avenue.
-
E.
Fourth Avenue Line
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
- 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: IND 207th Street Line Target entity description: The IND 207th Street Line is a rapid transit line in the New York City Subway system that carries A trains through Upper Manhattan and into northern Manhattan neighborhoods.
-
A.
IND 63rd Street Line
The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
-
B.
Ninth Avenue Line
The Ninth Avenue Line was New York City's first elevated railway, running along Manhattan's West Side and serving as a key component of the early rapid transit system before its eventual demolition.
-
C.
Eighth Avenue Line
The Eighth Avenue Line is a major New York City Subway trunk line in Manhattan, primarily served by the A, C, and E trains and known as the system’s first fully independent subway route.
-
D.
Sixth Avenue Line
The Sixth Avenue Line is a major New York City Subway trunk line in Manhattan that primarily carries B, D, F, and M trains along Sixth Avenue.
-
E.
Fourth Avenue Line
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| borough | Manhattan ⓘ |
| character | underground ⓘ |
| city | New York City ⓘ |
| connectsTo | IND Eighth Avenue Line NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| division | IND Division ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareControl | Metropolitan Transportation Authority fare system NERFINISHED ⓘ |
| hasService |
A express service in Manhattan
ⓘ
A local service during late nights ⓘ |
| lineColorOnMap | blue ⓘ |
| locale |
Inwood
NERFINISHED
ⓘ
Upper Manhattan NERFINISHED ⓘ Washington Heights NERFINISHED ⓘ |
| maintenanceFacility | 207th Street Yard NERFINISHED ⓘ |
| namedAfter | 207th Street ⓘ |
| northernTerminalYard | 207th Street Yard NERFINISHED ⓘ |
| northernTerminus | Inwood–207th Street NERFINISHED ⓘ |
| openedAsPartOf | Independent Subway System NERFINISHED ⓘ |
| openingDate | 1932 ⓘ |
| operator | New York City Transit Authority NERFINISHED ⓘ |
| owner |
New York City
ⓘ
surface form:
City of New York
|
| partOfCorridor | IND Eighth Avenue–207th Street corridor NERFINISHED ⓘ |
| rollingStock | New York City Subway A Division and B Division-compatible cars ⓘ |
| servesNeighborhood |
Hudson Heights
NERFINISHED
ⓘ
Inwood NERFINISHED ⓘ Washington Heights NERFINISHED ⓘ |
| service | A ⓘ |
| servicePattern | served by A trains at all times ⓘ |
| southernTerminus | 145th Street NERFINISHED ⓘ |
| state | New York ⓘ |
| system | New York City Subway ⓘ |
| trackConfiguration | four tracks for most of its length ⓘ |
| trackUsage | two local tracks and two express tracks ⓘ |
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: IND 207th Street Line Description of subject: The IND 207th Street Line is a rapid transit line in the New York City Subway system that carries A trains through Upper Manhattan and into northern Manhattan neighborhoods.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.