New York City Transit rail yard network
E651346
The New York City Transit rail yard network is a system of maintenance, storage, and support facilities that service and house subway trains across the New York City Subway system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| New York City Transit rail yard network canonical | 1 |
| New York City Transit rail yards | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7259187 — 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 Transit rail yard network Context triple: [Mosholu Yard, partOf, New York City Transit rail yard network]
-
A.
Metropolitan Transportation Authority rail yard
The Metropolitan Transportation Authority rail yard is a major train storage and maintenance facility on Manhattan’s West Side that historically served as a key operations hub for New York City’s commuter rail system.
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B.
New York City Subway
The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
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C.
MTA Bridges and Tunnels network
The MTA Bridges and Tunnels network is a system of major toll bridges and tunnels in New York City operated by the Metropolitan Transportation Authority, connecting the city’s boroughs and surrounding regions.
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D.
MTA New York City Subway fare system
The MTA New York City Subway fare system is the payment and ticketing framework that governs how riders pay to use New York City’s subway network, including methods like MetroCard and OMNY.
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E.
Brooklyn–Manhattan Transit Corporation subway network
The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
- 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 Transit rail yard network Target entity description: The New York City Transit rail yard network is a system of maintenance, storage, and support facilities that service and house subway trains across the New York City Subway system.
-
A.
Metropolitan Transportation Authority rail yard
The Metropolitan Transportation Authority rail yard is a major train storage and maintenance facility on Manhattan’s West Side that historically served as a key operations hub for New York City’s commuter rail system.
-
B.
New York City Subway
The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
-
C.
MTA Bridges and Tunnels network
The MTA Bridges and Tunnels network is a system of major toll bridges and tunnels in New York City operated by the Metropolitan Transportation Authority, connecting the city’s boroughs and surrounding regions.
-
D.
MTA New York City Subway fare system
The MTA New York City Subway fare system is the payment and ticketing framework that governs how riders pay to use New York City’s subway network, including methods like MetroCard and OMNY.
-
E.
Brooklyn–Manhattan Transit Corporation subway network
The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway infrastructure component
ⓘ
rail yard network ⓘ transport infrastructure system ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | 600 V DC third rail ⓘ |
| hasFunction |
provide overnight storage for subway trains
ⓘ
support daily operation of New York City Subway ⓘ |
| hasPart |
207th Street Yard
NERFINISHED
ⓘ
36th–38th Street Yard NERFINISHED ⓘ Canarsie Yard NERFINISHED ⓘ Concourse Yard NERFINISHED ⓘ Coney Island Yard NERFINISHED ⓘ East New York Yard NERFINISHED ⓘ Fresh Pond Yard NERFINISHED ⓘ Jamaica Yard NERFINISHED ⓘ Jerome Yard NERFINISHED ⓘ Lenox Yard NERFINISHED ⓘ Livonia Yard NERFINISHED ⓘ Middle Village–Metropolitan Avenue Yard NERFINISHED ⓘ Pitkin Yard NERFINISHED ⓘ Rockaway Park Yard NERFINISHED ⓘ Unionport Yard NERFINISHED ⓘ Westchester Yard NERFINISHED ⓘ Yard A (NYC Subway) NERFINISHED ⓘ Yard C (NYC Subway) NERFINISHED ⓘ Yard D (NYC Subway) NERFINISHED ⓘ Yard E (NYC Subway) NERFINISHED ⓘ Yard Lead tracks ⓘ car washing facilities ⓘ cleaning facilities ⓘ crew reporting facilities ⓘ inspection facilities ⓘ maintenance shops ⓘ power maintenance facilities ⓘ signal maintenance facilities ⓘ storage tracks ⓘ track maintenance facilities ⓘ |
| locatedIn |
New York City
ⓘ
New York State NERFINISHED ⓘ |
| operator |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority NERFINISHED ⓘ |
| ownedBy | Metropolitan Transportation Authority ⓘ |
| partOf | New York City Subway ⓘ |
| railGauge | standard gauge ⓘ |
| serves |
A Division (IRT) lines
NERFINISHED
ⓘ
B Division (IND/BMT) lines NERFINISHED ⓘ |
| usedFor |
staging of trains for peak service
ⓘ
subway car cleaning ⓘ subway car inspection ⓘ subway car maintenance ⓘ subway car repair ⓘ subway car storage ⓘ |
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 Transit rail yard network Description of subject: The New York City Transit rail yard network is a system of maintenance, storage, and support facilities that service and house subway trains across the New York City Subway system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
New York City Transit rail yards