Sixth Avenue express service
E91231
The Sixth Avenue express service is a New York City Subway route pattern that runs express along the IND Sixth Avenue Line in Manhattan, providing faster north–south service than the local trains on the same corridor.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T733224 — 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: Sixth Avenue express service Context triple: [B train, networkRole, Sixth Avenue express service]
-
A.
Second Avenue Subway
The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
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B.
New York City Subway C line
The New York City Subway C line is an IND Eighth Avenue Line local service in Manhattan, Brooklyn, and sometimes Queens, known for its blue route color and frequent stops along the west side of Manhattan.
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C.
Lenox Avenue Line
The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
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D.
New Lots Line
The New Lots Line is a New York City Subway line in Brooklyn that serves the easternmost portion of the IRT system, terminating at New Lots Avenue.
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E.
BMT Broadway Line
The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
- 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: Sixth Avenue express service Target entity description: The Sixth Avenue express service is a New York City Subway route pattern that runs express along the IND Sixth Avenue Line in Manhattan, providing faster north–south service than the local trains on the same corridor.
-
A.
Second Avenue Subway
The Second Avenue Subway is a New York City Subway line on Manhattan’s East Side, built to relieve congestion on the Lexington Avenue Line and long envisioned as a major north–south transit corridor.
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B.
New York City Subway C line
The New York City Subway C line is an IND Eighth Avenue Line local service in Manhattan, Brooklyn, and sometimes Queens, known for its blue route color and frequent stops along the west side of Manhattan.
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C.
Lenox Avenue Line
The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
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D.
New Lots Line
The New Lots Line is a New York City Subway line in Brooklyn that serves the easternmost portion of the IRT system, terminating at New Lots Avenue.
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E.
BMT Broadway Line
The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service pattern
ⓘ
express subway service ⓘ |
| boroughServed | Manhattan ⓘ |
| cityServed | New York City ⓘ |
| corridor | Sixth Avenue ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| direction | north–south ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareSystem | Metropolitan Transportation Authority fare system ⓘ |
| gauge | standard gauge ⓘ |
| lineFamily | IND Division ⓘ |
| locatedIn |
Manhattan
ⓘ
New York City ⓘ |
| modeOfTransport | rapid transit ⓘ |
| network | New York City Subway ⓘ |
| operator |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority ⓘ |
| primaryFunction | rapid north–south transit along Sixth Avenue corridor ⓘ |
| providesService | faster travel than local Sixth Avenue services ⓘ |
| runsAlong |
IND Sixth Avenue Line
ⓘ
surface form:
IND Sixth Avenue Line in Lower Manhattan
IND Sixth Avenue Line ⓘ
surface form:
IND Sixth Avenue Line in Midtown Manhattan
|
| servicePattern | skips certain local stations ⓘ |
| serviceType | express ⓘ |
| trackUsage | express tracks on IND Sixth Avenue Line ⓘ |
| usesLine | IND Sixth Avenue Line ⓘ |
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: Sixth Avenue express service Description of subject: The Sixth Avenue express service is a New York City Subway route pattern that runs express along the IND Sixth Avenue Line in Manhattan, providing faster north–south service than the local trains on the same corridor.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
B Sixth Avenue Express
this entity surface form:
M Sixth Avenue Local
this entity surface form:
B (Sixth Avenue Express) service
this entity surface form:
FX (Sixth Avenue express variant, historical)
this entity surface form:
KK (Sixth Avenue Local, historical)
this entity surface form:
IND Sixth Avenue Line express service
this entity surface form:
IND Sixth Avenue express tracks
this entity surface form:
B (Sixth Avenue Express)