Pelham Line
E25114
The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
All labels observed (2)
| Label | Occurrences |
|---|---|
| IRT Pelham Line | 11 |
| Pelham Line canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T97672 — 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: Pelham Line Context triple: [IRT Division, hasMainTrunkLine, Pelham Line]
-
A.
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.
-
B.
Long Island Rail Road Main Line
The Long Island Rail Road Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a major commuter and intercity route.
-
C.
Manchester–Chester line
The Manchester–Chester line is a key railway route in North West England linking the cities of Manchester and Chester via several intermediate towns and suburban stations.
-
D.
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.
-
E.
Long Island Rail Road Atlantic Branch
The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
- 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: Pelham Line Target entity description: The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
-
A.
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.
-
B.
Long Island Rail Road Main Line
The Long Island Rail Road Main Line is the primary rail corridor of the Long Island Rail Road, running from New York City through central Long Island and serving as a major commuter and intercity route.
-
C.
Manchester–Chester line
The Manchester–Chester line is a key railway route in North West England linking the cities of Manchester and Chester via several intermediate towns and suburban stations.
-
D.
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.
-
E.
Long Island Rail Road Atlantic Branch
The Long Island Rail Road Atlantic Branch is a major commuter rail line in New York City that runs between Atlantic Terminal in Brooklyn and eastern Queens, providing key connections to other LIRR lines and transit services.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway line
ⓘ
rapid transit line ⓘ |
| borough |
The Bronx
ⓘ
surface form:
Bronx
Manhattan ⓘ |
| connectsBoroughs |
The Bronx
ⓘ
surface form:
Bronx
Manhattan ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| division | IRT ⓘ |
| divisionColor | IRT Lexington Avenue Line color (dark green) on maps ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareControl | free transfers within New York City Subway system ⓘ |
| fareMedium |
MetroCard
ⓘ
surface form:
MetroCard (legacy, being phased out)
OMNY ⓘ
surface form:
OMNY contactless payment system
|
| fareSystem | Metropolitan Transportation Authority fare system ⓘ |
| gauge | standard gauge ⓘ |
| hasRouteDesignation |
6
ⓘ
<6> ⓘ |
| hasServiceType |
express
ⓘ
local ⓘ |
| hasThroughServiceWith | Brooklyn via IRT Lexington Avenue Line trunk and Brooklyn branches ⓘ |
| isSubnetworkOf |
IRT Division
ⓘ
surface form:
IRT A Division network
|
| locale | New York City ⓘ |
| maintenanceAuthority |
New York City Transit Authority
ⓘ
surface form:
New York City Transit Authority Department of Subways
|
| mapRepresentation | shown on official MTA subway map ⓘ |
| opened | early 20th century ⓘ |
| operator |
Interborough Rapid Transit Company
ⓘ
surface form:
Interborough Rapid Transit Division
New York City Transit Authority ⓘ |
| owner |
New York City
ⓘ
surface form:
City of New York
|
| partOf | IRT Lexington Avenue Line trunk in Manhattan ⓘ |
| primaryService | 6 train ⓘ |
| region | Northeastern United States ⓘ |
| rollingStock | A Division subway cars ⓘ |
| safetySystem |
automatic train stop (ATS) in parts of the line
ⓘ
wayside signals ⓘ |
| servedBy |
4 train
ⓘ
surface form:
4 train (part-time, rush-hour express in the Bronx)
<6> train (peak-direction express in the Bronx) ⓘ |
| serves |
East Side of Manhattan via Lexington Avenue trunk
ⓘ
northern Bronx ⓘ
surface form:
Northeast Bronx
South Bronx ⓘ |
| servicePattern |
express service in the Bronx during peak hours
ⓘ
local service ⓘ |
| system | New York City Subway ⓘ |
| trackConfiguration |
four tracks in parts of the Bronx
ⓘ
two tracks in Manhattan ⓘ |
| usedFor |
commuter transportation
ⓘ
local transit within the Bronx and Manhattan ⓘ |
| usesCarWidth | IRT (narrow) car profile ⓘ |
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: Pelham Line Description of subject: The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
IRT Pelham Line
this entity surface form:
IRT Pelham Line
this entity surface form:
IRT Pelham Line
this entity surface form:
IRT Pelham Line
this entity surface form:
IRT Pelham Line
this entity surface form:
IRT Pelham Line
this entity surface form:
IRT Pelham Line
this entity surface form:
IRT Pelham Line
subject surface form:
Pelham Bay Park station
this entity surface form:
IRT Pelham Line
this entity surface form:
IRT Pelham Line
this entity surface form:
IRT Pelham Line