New York City Subway Line 4
E302012
The New York City Subway Line 4 is a rapid transit service running along the Lexington Avenue Line in Manhattan and into the Bronx, known for its express service through much of its route.
All labels observed (6)
| Label | Occurrences |
|---|---|
| 4 (IRT Jerome Avenue Line) | 1 |
| 4 (IRT Lexington Avenue Line) | 1 |
| 4 (Lexington Avenue Express) | 1 |
| Bronx IRT lines | 1 |
| New York City Subway IRT Lexington Avenue Line | 1 |
| New York City Subway Line 4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2610895 — 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: New York City Subway Line 4 Context triple: [1000 Fifth Avenue, New York, NY, nearSubwayLine, New York City Subway Line 4]
-
A.
New York City Subway D line
The New York City Subway D line is a major rapid transit service in NYC that runs primarily along the IND Sixth Avenue and Concourse Lines, connecting the Bronx (including Yankee Stadium) with Manhattan and Brooklyn.
-
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.
-
C.
New York City Subway F line
The New York City Subway F line is a major rapid transit service running through Queens, Manhattan, and Brooklyn, connecting neighborhoods such as Jamaica, Midtown, and Coney Island.
-
D.
New York City Subway B line
The New York City Subway B line is an express service in the IND Sixth Avenue Line that runs through Manhattan and Brooklyn, serving major destinations including Yankee Stadium in the Bronx during certain times.
-
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: New York City Subway Line 4 Target entity description: The New York City Subway Line 4 is a rapid transit service running along the Lexington Avenue Line in Manhattan and into the Bronx, known for its express service through much of its route.
-
A.
New York City Subway D line
The New York City Subway D line is a major rapid transit service in NYC that runs primarily along the IND Sixth Avenue and Concourse Lines, connecting the Bronx (including Yankee Stadium) with Manhattan and Brooklyn.
-
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.
-
C.
New York City Subway F line
The New York City Subway F line is a major rapid transit service running through Queens, Manhattan, and Brooklyn, connecting neighborhoods such as Jamaica, Midtown, and Coney Island.
-
D.
New York City Subway B line
The New York City Subway B line is an express service in the IND Sixth Avenue Line that runs through Manhattan and Brooklyn, serving major destinations including Yankee Stadium in the Bronx during certain times.
-
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 (56)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service
ⓘ
rapid transit service ⓘ |
| boroughServed |
Brooklyn
ⓘ
Manhattan ⓘ The Bronx ⓘ |
| city | New York City ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| division | IRT ⓘ |
| fareSystem | Metropolitan Transportation Authority fare system ⓘ |
| lineColor | dark green ⓘ |
| nightServiceType |
local in Brooklyn
ⓘ
local in Manhattan ⓘ local in the Bronx ⓘ |
| northernTerminusVariant |
125th Street
ⓘ
149th Street–Grand Concourse ⓘ 149th Street–Grand Concourse–Middle track turn ⓘ Burnside Avenue ⓘ |
| notableStation |
125th Street
ⓘ
14th Street–Union Square station ⓘ
surface form:
14th Street–Union Square
Barclays Center ⓘ
surface form:
Atlantic Avenue–Barclays Center
Brooklyn Bridge–City Hall ⓘ Crown Heights–Utica Avenue ⓘ Franklin Avenue–Medgar Evers College ⓘ Fulton Street ⓘ Grand Central–42nd Street station ⓘ
surface form:
Grand Central–42nd Street
Woodlawn ⓘ Yankee Stadium ⓘ
surface form:
Yankee Stadium–161st Street
|
| operator | New York City Transit Authority ⓘ |
| overnightPattern | local service in Manhattan, Brooklyn, and the Bronx ⓘ |
| parentOrganization | Metropolitan Transportation Authority ⓘ |
| primaryManhattanTrunkLine |
Lexington Avenue Line
ⓘ
surface form:
IRT Lexington Avenue Line
|
| rollingStockType | A Division (IRT) subway cars ⓘ |
| routeColorHex | #00933C ⓘ |
| servesLine |
Eastern Parkway Line
ⓘ
surface form:
IRT Eastern Parkway Line
Jerome Avenue Line ⓘ
surface form:
IRT Jerome Avenue Line
Lexington Avenue Line ⓘ
surface form:
IRT Lexington Avenue Line
New Lots Line ⓘ
surface form:
IRT New Lots Line
|
| serviceFrequency | 24-hour service ⓘ |
| serviceIntroduced | as a numbered route after the 1948 IRT route designation changes ⓘ |
| servicePattern |
Lexington Avenue Express (4)
ⓘ
surface form:
Lexington Avenue Express
express in Manhattan ⓘ express in the Bronx (Jerome Avenue Line) during most of the day ⓘ local in Brooklyn on Eastern Parkway Line ⓘ local on New Lots Line when extended ⓘ |
| serviceType | express ⓘ |
| southernTerminusVariant |
Barclays Center
ⓘ
surface form:
Atlantic Avenue–Barclays Center
Bowling Green ⓘ Brooklyn Bridge–City Hall ⓘ New Lots Avenue ⓘ |
| system | New York City Subway ⓘ |
| trackGauge | 4 ft 8 1⁄2 in standard gauge ⓘ |
| trunkLineColorFamily | green services (4, 5, 6) ⓘ |
| usesPowerSupply | 600 V DC third rail ⓘ |
| usualNorthernTerminus | Woodlawn ⓘ |
| usualSouthernTerminus | Crown Heights–Utica Avenue ⓘ |
| weekdayRushHourPattern | additional trains to and from New Lots Avenue ⓘ |
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: New York City Subway Line 4 Description of subject: The New York City Subway Line 4 is a rapid transit service running along the Lexington Avenue Line in Manhattan and into the Bronx, known for its express service through much of its route.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
New York City Subway IRT Lexington Avenue Line
this entity surface form:
4 (Lexington Avenue Express)
this entity surface form:
Bronx IRT lines
this entity surface form:
4 (IRT Lexington Avenue Line)
this entity surface form:
4 (IRT Jerome Avenue Line)