IRT Jerome Avenue elevated segment
E1003219
The IRT Jerome Avenue elevated segment is a section of New York City's Bronx subway line where trains run on elevated tracks above Jerome Avenue, serving multiple stations along this corridor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IRT Jerome Avenue elevated segment canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12762517 — 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 Jerome Avenue elevated segment Context triple: [167th Street station (IRT Jerome Avenue Line), isPartOf, IRT Jerome Avenue elevated segment]
-
A.
IRT Jerome Avenue Line bridge
The IRT Jerome Avenue Line bridge is a New York City subway bridge that carries the Jerome Avenue Line across the Harlem River between Manhattan and the Bronx.
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B.
Washington Street Elevated
Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
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C.
Liberty Avenue elevated
Liberty Avenue elevated is a former elevated rapid transit line in Brooklyn and Queens that once carried BMT trains along Liberty Avenue before being partially incorporated into the IND Fulton Street and Rockaway Lines.
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D.
7 Avenue Transit Corridor
The 7 Avenue Transit Corridor is a major light rail transit corridor in downtown Calgary that serves as a central hub for the city’s CTrain system.
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E.
South Side Elevated branch
The South Side Elevated branch is a historic segment of Chicago's rapid transit system that serves the city's South Side as part of the Chicago "L" network.
- 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 Jerome Avenue elevated segment Target entity description: The IRT Jerome Avenue elevated segment is a section of New York City's Bronx subway line where trains run on elevated tracks above Jerome Avenue, serving multiple stations along this corridor.
-
A.
IRT Jerome Avenue Line bridge
The IRT Jerome Avenue Line bridge is a New York City subway bridge that carries the Jerome Avenue Line across the Harlem River between Manhattan and the Bronx.
-
B.
Washington Street Elevated
Washington Street Elevated was a former elevated rapid transit line in Boston that once carried Orange Line trains along Washington Street through several neighborhoods.
-
C.
Liberty Avenue elevated
Liberty Avenue elevated is a former elevated rapid transit line in Brooklyn and Queens that once carried BMT trains along Liberty Avenue before being partially incorporated into the IND Fulton Street and Rockaway Lines.
-
D.
7 Avenue Transit Corridor
The 7 Avenue Transit Corridor is a major light rail transit corridor in downtown Calgary that serves as a central hub for the city’s CTrain system.
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E.
South Side Elevated branch
The South Side Elevated branch is a historic segment of Chicago's rapid transit system that serves the city's South Side as part of the Chicago "L" network.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway infrastructure
ⓘ
elevated railway segment ⓘ |
| borough | The Bronx ⓘ |
| carriedBy | Jerome Avenue Line tracks ⓘ |
| connectsTo | IRT Lexington Avenue Line via 149th Street–Grand Concourse NERFINISHED ⓘ |
| division | IRT Division NERFINISHED ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareSystem | Metropolitan Transportation Authority fare system ⓘ |
| follows | Jerome Avenue NERFINISHED ⓘ |
| gauge | 4 ft 8 1⁄2 in standard gauge ⓘ |
| hasRollingStockType | A Division subway cars ⓘ |
| hasStation |
149th Street–Grand Concourse
NERFINISHED
ⓘ
176th Street NERFINISHED ⓘ 183rd Street ⓘ Bedford Park Boulevard–Lehman College NERFINISHED ⓘ Burnside Avenue NERFINISHED ⓘ Fordham Road NERFINISHED ⓘ Kingsbridge Road NERFINISHED ⓘ Mosholu Parkway NERFINISHED ⓘ Mt Eden Avenue NERFINISHED ⓘ Woodlawn NERFINISHED ⓘ |
| hasTrackConfiguration | two tracks ⓘ |
| locatedIn |
New York City
ⓘ
New York State NERFINISHED ⓘ The Bronx ⓘ United States of America ⓘ
surface form:
United States
|
| northernTerminusAt | Woodlawn NERFINISHED ⓘ |
| openedAsPartOf | Jerome Avenue Line NERFINISHED ⓘ |
| openingDecade | 1910s ⓘ |
| operatedBy | New York City Transit Authority NERFINISHED ⓘ |
| operator | MTA New York City Transit NERFINISHED ⓘ |
| owner | Metropolitan Transportation Authority ⓘ |
| partOf | IRT Jerome Avenue Line NERFINISHED ⓘ |
| passesThroughNeighborhood |
Fordham
NERFINISHED
ⓘ
Highbridge NERFINISHED ⓘ Kingsbridge NERFINISHED ⓘ Mott Haven NERFINISHED ⓘ Norwood NERFINISHED ⓘ University Heights NERFINISHED ⓘ Woodlawn Heights NERFINISHED ⓘ |
| primaryServicePattern | local service by 4 train ⓘ |
| rightOfWayType | exclusive transit right-of-way ⓘ |
| servedBy | 4 train NERFINISHED ⓘ |
| serviceType | rapid transit ⓘ |
| southernConnection | 149th Street–Grand Concourse NERFINISHED ⓘ |
| structureType | elevated ⓘ |
| system | New York City Subway ⓘ |
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 Jerome Avenue elevated segment Description of subject: The IRT Jerome Avenue elevated segment is a section of New York City's Bronx subway line where trains run on elevated tracks above Jerome Avenue, serving multiple stations along this corridor.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
167th Street station on the IRT Jerome Avenue Line
→
isPartOf
→
IRT Jerome Avenue elevated segment
ⓘ
subject surface form:
167th Street station (IRT Jerome Avenue Line)