IRT East Bronx lines
E217771
The IRT East Bronx lines are a group of New York City Subway routes in the Bronx operated by the Interborough Rapid Transit division, serving neighborhoods in the eastern part of the borough.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IRT East Bronx lines canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1642998 — 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: IRT East Bronx lines Context triple: [Dyre Avenue Line, partOfNetworkSection, IRT East Bronx lines]
-
A.
Eastern Parkway Line
The Eastern Parkway Line is a major New York City Subway route in Brooklyn that carries 2, 3, 4, and 5 trains along Eastern Parkway as part of the IRT system.
-
B.
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.
-
C.
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.
-
D.
BMT Myrtle Avenue Line
The BMT Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens that primarily carries the M train along an elevated route.
-
E.
IND Crosstown Line and IRT Flushing Line
The IND Crosstown Line and IRT Flushing Line are two New York City Subway lines, one providing crosstown service in Brooklyn and Queens and the other operating the 7 train between Queens and Manhattan.
- 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: IRT East Bronx lines Target entity description: The IRT East Bronx lines are a group of New York City Subway routes in the Bronx operated by the Interborough Rapid Transit division, serving neighborhoods in the eastern part of the borough.
-
A.
Eastern Parkway Line
The Eastern Parkway Line is a major New York City Subway route in Brooklyn that carries 2, 3, 4, and 5 trains along Eastern Parkway as part of the IRT system.
-
B.
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.
-
C.
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.
-
D.
BMT Myrtle Avenue Line
The BMT Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens that primarily carries the M train along an elevated route.
-
E.
IND Crosstown Line and IRT Flushing Line
The IND Crosstown Line and IRT Flushing Line are two New York City Subway lines, one providing crosstown service in Brooklyn and Queens and the other operating the 7 train between Queens and Manhattan.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service group
ⓘ
group of rapid transit lines ⓘ |
| connectsTo |
Manhattan via IRT Jerome Avenue Line
ⓘ
Manhattan via IRT Lexington Avenue Line ⓘ Manhattan via IRT White Plains Road Line ⓘ
linked to:
Lexington Avenue Line
|
| country | United States of America ⓘ |
| division | IRT ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareSystem | Metropolitan Transportation Authority fare system ⓘ |
| hasBorough |
Bronx
ⓘ
linked to:
The Bronx
|
| hasColorFamily |
dark green (6 service)
ⓘ
red (2 and 5 services) ⓘ |
| hasPlatformType |
island platforms
ⓘ
side platforms ⓘ |
| includesService |
2 train
ⓘ
5 train ⓘ 6 <train> (Pelham express in the Bronx) ⓘ
linked to:
New York City Subway 6 line
6 train ⓘ |
| locatedIn |
New York City
ⓘ
New York State ⓘ
linked to:
New York
The Bronx ⓘ |
| operatedBy |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority ⓘ |
| owner |
City of New York
ⓘ
linked to:
New York City
|
| partOf |
Interborough Rapid Transit Division
ⓘ
linked to:
Interborough Rapid Transit Company
|
| railwaySignalling | automatic block signaling ⓘ |
| serves |
eastern Bronx
ⓘ
linked to:
East Bronx
|
| servesNeighborhood |
Allerton
ⓘ
Baychester ⓘ
linked to:
Baychester neighborhood
Bronx River area ⓘ East Tremont ⓘ Eastchester ⓘ Melrose ⓘ Morris Park ⓘ Morrisania ⓘ Parkchester ⓘ Pelham Bay ⓘ Pelham Bay Park area ⓘ
linked to:
Pelham Bay Park
Pelham Parkway ⓘ Soundview ⓘ Wakefield ⓘ West Farms ⓘ Williamsbridge ⓘ |
| serviceType | local and express subway services ⓘ |
| system | New York City Subway ⓘ |
| trackGauge | standard gauge ⓘ |
| usesFareMedium |
MetroCard
ⓘ
OMNY ⓘ |
| usesRollingStockType | A Division subway cars ⓘ |
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: IRT East Bronx lines Description of subject: The IRT East Bronx lines are a group of New York City Subway routes in the Bronx operated by the Interborough Rapid Transit division, serving neighborhoods in the eastern part of the borough.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.