IND Concourse Line
E37460
The IND Concourse Line is a New York City Subway line in the Bronx that primarily carries B and D trains and connects the borough to Manhattan via the IND Eighth Avenue Line.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T97722 — 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 Concourse Line Context triple: [IND Division, includesLine, IND Concourse Line]
-
A.
IND Sixth Avenue Line
The IND Sixth Avenue Line is a major New York City Subway trunk line in Manhattan running primarily beneath Sixth Avenue and served by several B Division routes.
-
B.
IND Crosstown Line
The IND Crosstown Line is a New York City Subway line in Brooklyn and Queens served by the G train, notable for being the only major line that does not enter Manhattan.
-
C.
Red Line
The Red Line is a major rapid transit route in Chicago that runs north–south through the city, serving as one of the busiest lines in its subway and elevated rail system.
-
D.
Red Line
Red Line is a major rapid transit route in the Washington Metro system, running through key areas of Washington, D.C., and its Maryland suburbs.
-
E.
Pink Line
The Pink Line is a rapid transit route in Chicago's "L" system that runs between the Loop and the city's West Side neighborhoods.
- 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 Concourse Line Target entity description: The IND Concourse Line is a New York City Subway line in the Bronx that primarily carries B and D trains and connects the borough to Manhattan via the IND Eighth Avenue Line.
-
A.
IND Sixth Avenue Line
The IND Sixth Avenue Line is a major New York City Subway trunk line in Manhattan running primarily beneath Sixth Avenue and served by several B Division routes.
-
B.
IND Crosstown Line
The IND Crosstown Line is a New York City Subway line in Brooklyn and Queens served by the G train, notable for being the only major line that does not enter Manhattan.
-
C.
Red Line
The Red Line is a major rapid transit route in Chicago that runs north–south through the city, serving as one of the busiest lines in its subway and elevated rail system.
-
D.
Red Line
Red Line is a major rapid transit route in the Washington Metro system, running through key areas of Washington, D.C., and its Maryland suburbs.
-
E.
Pink Line
The Pink Line is a rapid transit route in Chicago's "L" system that runs between the Loop and the city's West Side neighborhoods.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway line
ⓘ
rapid transit line ⓘ |
| borough |
Manhattan
ⓘ
The Bronx ⓘ |
| connectsBorough |
Manhattan
ⓘ
The Bronx ⓘ |
| connectsTo |
Eighth Avenue Line in Manhattan
ⓘ
surface form:
IND Central Park West Line
Eighth Avenue Line ⓘ
surface form:
IND Eighth Avenue Line
IND Sixth Avenue Line ⓘ Yankee Stadium ⓘ
surface form:
Yankee Stadium area
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crossesUnder | Harlem River ⓘ |
| division | IND Division ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareSystem | Metropolitan Transportation Authority fare system ⓘ |
| hasColorFamily | IND Eighth Avenue Line color family ⓘ |
| hasDirection | north–south alignment ⓘ |
| hasRollingStockType | B Division subway cars ⓘ |
| hasService |
full-time D train service
ⓘ
weekday B train service ⓘ |
| hasServicePattern |
express service
ⓘ
local service ⓘ |
| hasStation |
145th Street
ⓘ
155th Street ⓘ 161st Street–Yankee Stadium station ⓘ
surface form:
161st Street–Yankee Stadium
167th Street ⓘ 170th Street ⓘ 174th–175th Streets ⓘ Bedford Park Boulevard–Lehman College ⓘ Fordham Road ⓘ Tremont Avenue ⓘ |
| hasTerminalStation |
145th Street
ⓘ
Norwood–205th Street ⓘ |
| infrastructureType | underground line ⓘ |
| locale | New York City ⓘ |
| namedAfter | Grand Concourse ⓘ |
| openingDate | 1933 ⓘ |
| operator | New York City Transit Authority ⓘ |
| owner |
New York City
ⓘ
surface form:
City of New York
|
| partOf |
Independent Subway System (IND)
ⓘ
surface form:
Independent Subway System
|
| planningEra | IND second system era ⓘ |
| primaryService |
B train
ⓘ
D train ⓘ |
| serviceType | B Division ⓘ |
| system | New York City Subway ⓘ |
| trackGauge | standard gauge ⓘ |
| usesSignageColor | orange ⓘ |
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 Concourse Line Description of subject: The IND Concourse Line is a New York City Subway line in the Bronx that primarily carries B and D trains and connects the borough to Manhattan via the IND Eighth Avenue Line.
Referenced by (43)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
IND Concourse Line at 161st Street–Yankee Stadium
subject surface form:
IND Sixth Avenue Line
subject surface form:
Independent Subway System
this entity surface form:
IND Concourse Line (rush hours, limited)
subject surface form:
Eighth Avenue Line (IND)
this entity surface form:
IND Concourse Line (rush-hour variants)
this entity surface form:
D (IND Concourse Line)
subject surface form:
155th Street station (IND Concourse Line)
subject surface form:
155th Street station (IND Concourse Line)
subject surface form:
Tremont Avenue station (IND Concourse Line)
this entity surface form:
IND Concourse Line local services
this entity surface form:
IND Concourse–174