New York City Subway B line
E66220
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| New York City Subway B line canonical | 4 |
| B (IND Sixth Avenue Line) | 1 |
| B (New York City Subway service) | 1 |
| B train (IND Sixth Avenue Line) | 1 |
| New York City Subway B service | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T509450 — 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 B line Context triple: [Yankee Stadium, publicTransit, New York City Subway B line]
-
A.
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.
-
B.
BMT Nassau Street Line
The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
-
C.
Lexington Avenue Line
The Lexington Avenue Line is a major New York City Subway route in Manhattan that carries the 4, 5, and 6 trains and is one of the system’s busiest and most important north–south corridors.
-
D.
Queens Boulevard Line
The Queens Boulevard Line is a major trunk line of the New York City Subway in Queens, carrying multiple services through some of the borough’s busiest residential and commercial corridors.
-
E.
Nostrand Avenue Line
The Nostrand Avenue Line is a New York City Subway route in Brooklyn that branches off the IRT Eastern Parkway Line to serve neighborhoods along Nostrand Avenue, terminating at Flatbush Avenue–Brooklyn College.
- 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 B line Target entity description: 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.
-
A.
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.
-
B.
BMT Nassau Street Line
The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
-
C.
Lexington Avenue Line
The Lexington Avenue Line is a major New York City Subway route in Manhattan that carries the 4, 5, and 6 trains and is one of the system’s busiest and most important north–south corridors.
-
D.
Queens Boulevard Line
The Queens Boulevard Line is a major trunk line of the New York City Subway in Queens, carrying multiple services through some of the borough’s busiest residential and commercial corridors.
-
E.
Nostrand Avenue Line
The Nostrand Avenue Line is a New York City Subway route in Brooklyn that branches off the IRT Eastern Parkway Line to serve neighborhoods along Nostrand Avenue, terminating at Flatbush Avenue–Brooklyn College.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service
ⓘ
rapid transit line ⓘ |
| boroughServed |
The Bronx
ⓘ
surface form:
Bronx
Brooklyn ⓘ Manhattan ⓘ |
| color | bright orange ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| division | IND ⓘ |
| fareSystem | Metropolitan Transportation Authority fare system ⓘ |
| formerDesignation | IND B service ⓘ |
| lateNightService | does not operate overnight ⓘ |
| letterDesignation | B ⓘ |
| locatedIn | New York City ⓘ |
| middayService | operates between Bedford Park Boulevard and Brighton Beach ⓘ |
| notableStop |
34th Street–Herald Square station
ⓘ
surface form:
34th Street–Herald Square
47th–50th Streets–Rockefeller Center ⓘ Atlantic Avenue–Barclays Center station ⓘ
surface form:
Atlantic Avenue–Barclays Center
Coney Island–Stillwell Avenue station ⓘ
surface form:
Coney Island–Stillwell Avenue (via Brighton Line connection)
West Fourth Street–Washington Square ⓘ
surface form:
West 4th Street–Washington Square
Yankee Stadium ⓘ
surface form:
Yankee Stadium–161st Street
|
| operator | New York City Transit Authority ⓘ |
| parentAgency | Metropolitan Transportation Authority ⓘ |
| paymentMethod |
MetroCard
ⓘ
OMNY ⓘ |
| primaryCorridor |
Brighton Line corridor in Brooklyn
ⓘ
Grand Concourse ⓘ
surface form:
Grand Concourse in the Bronx
Sixth Avenue ⓘ
surface form:
Sixth Avenue in Manhattan
|
| rollingStock |
R68 subway car
ⓘ
surface form:
R68 subway cars
R68 subway car ⓘ
surface form:
R68A subway cars
|
| routeColorFamily |
Sixth Avenue Line
ⓘ
surface form:
Sixth Avenue Line services
|
| serviceIntroduced | 1967 ⓘ |
| servicePattern |
express
ⓘ
express in Manhattan ⓘ local in Brooklyn ⓘ |
| servicePatternBronx | local on IND Concourse Line ⓘ |
| servicePatternBrooklyn | local on BMT Brighton Line ⓘ |
| serviceToYankeeStadium |
rush hours only
ⓘ
weekdays only ⓘ |
| serviceType |
rush hour service
ⓘ
weekday service ⓘ |
| system | New York City Subway ⓘ |
| terminalStation |
Bedford Park Boulevard–Lehman College
ⓘ
Brighton Beach ⓘ |
| trunkLine | IND Sixth Avenue Line ⓘ |
| usesLine |
BMT Brighton Line
ⓘ
IND Concourse Line ⓘ IND Sixth Avenue Line ⓘ |
| weekendService | does not operate on most of the line on weekends ⓘ |
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 B line Description of subject: 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.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
B (IND Sixth Avenue Line)
this entity surface form:
B train (IND Sixth Avenue Line)
this entity surface form:
B (New York City Subway service)
subject surface form:
Southwestern Brooklyn
this entity surface form:
New York City Subway B service