original IRT subway
E1430722
UNEXPLORED
The original IRT subway was New York City's first underground rapid transit system, opened in 1904 and forming the core of today’s A Division subway lines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| original IRT subway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20439058 — 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: original IRT subway Context triple: [79th Street (IRT Broadway–Seventh Avenue Line), partOf, original IRT subway]
-
A.
IRT A Division subway cars
IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
-
B.
IRT Ninth Avenue Line
The IRT Ninth Avenue Line was New York City's first elevated railway, a pioneering rapid transit line that once ran above Manhattan's Ninth Avenue before being dismantled in the mid-20th century.
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C.
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.
-
D.
Subte
Subte is the rapid transit metro system serving Buenos Aires, Argentina, and one of the oldest underground rail networks in Latin America.
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E.
IRT Lexington Avenue Line trunk in Manhattan
The IRT Lexington Avenue Line trunk in Manhattan is a major New York City Subway corridor running along the East Side of Manhattan, carrying the 4, 5, and 6 services and serving as one of the system’s busiest and most important north–south routes.
- 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: original IRT subway Target entity description: The original IRT subway was New York City's first underground rapid transit system, opened in 1904 and forming the core of today’s A Division subway lines.
-
A.
IRT A Division subway cars
IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
-
B.
IRT Ninth Avenue Line
The IRT Ninth Avenue Line was New York City's first elevated railway, a pioneering rapid transit line that once ran above Manhattan's Ninth Avenue before being dismantled in the mid-20th century.
-
C.
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.
-
D.
Subte
Subte is the rapid transit metro system serving Buenos Aires, Argentina, and one of the oldest underground rail networks in Latin America.
-
E.
IRT Lexington Avenue Line trunk in Manhattan
The IRT Lexington Avenue Line trunk in Manhattan is a major New York City Subway corridor running along the East Side of Manhattan, carrying the 4, 5, and 6 services and serving as one of the system’s busiest and most important north–south routes.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.