Steinway Tunnel
E788474
The Steinway Tunnel is an underwater rail tunnel in New York City that carries subway trains between Manhattan and Queens beneath the East River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Steinway Tunnel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8923158 — 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: Steinway Tunnel Context triple: [IRT Flushing Line, riverCrossingStructure, Steinway Tunnel]
-
A.
IJ Tunnel
The IJ Tunnel is a major road tunnel in Amsterdam that carries traffic beneath the IJ waterway, connecting the city center with its northern districts.
-
B.
Queens Midtown Tunnel
The Queens Midtown Tunnel is a vehicular tunnel in New York City that connects Midtown Manhattan with the borough of Queens beneath the East River.
-
C.
Brooklyn–Battery Tunnel
The Brooklyn–Battery Tunnel is a major vehicular tunnel in New York City that runs under the East River, connecting Brooklyn with Lower Manhattan.
-
D.
Park Avenue Tunnel
Park Avenue Tunnel is a historic vehicular and former rail tunnel in Manhattan that carries traffic beneath Park Avenue near Grand Central Terminal.
-
E.
Holland Tunnel
The Holland Tunnel is a vehicular tunnel under the Hudson River that connects Lower Manhattan in New York City with Jersey City in New Jersey and is a major commuter route between the two states.
- 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: Steinway Tunnel Target entity description: The Steinway Tunnel is an underwater rail tunnel in New York City that carries subway trains between Manhattan and Queens beneath the East River.
-
A.
IJ Tunnel
The IJ Tunnel is a major road tunnel in Amsterdam that carries traffic beneath the IJ waterway, connecting the city center with its northern districts.
-
B.
Queens Midtown Tunnel
The Queens Midtown Tunnel is a vehicular tunnel in New York City that connects Midtown Manhattan with the borough of Queens beneath the East River.
-
C.
Brooklyn–Battery Tunnel
The Brooklyn–Battery Tunnel is a major vehicular tunnel in New York City that runs under the East River, connecting Brooklyn with Lower Manhattan.
-
D.
Park Avenue Tunnel
Park Avenue Tunnel is a historic vehicular and former rail tunnel in Manhattan that carries traffic beneath Park Avenue near Grand Central Terminal.
-
E.
Holland Tunnel
The Holland Tunnel is a vehicular tunnel under the Hudson River that connects Lower Manhattan in New York City with Jersey City in New Jersey and is a major commuter route between the two states.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
rail tunnel
ⓘ
underwater tunnel ⓘ |
| carries |
IRT Flushing Line
NERFINISHED
ⓘ
subway trains ⓘ |
| connects |
Manhattan
NERFINISHED
ⓘ
Queens NERFINISHED ⓘ |
| connectsBorough |
Borough of Manhattan
NERFINISHED
ⓘ
Borough of Queens NERFINISHED ⓘ |
| connectsStationArea | Grand Central area in Manhattan ⓘ |
| connectsUnderwater | Manhattan and Queens beneath the East River ⓘ |
| constructionStartDate |
1890s
ⓘ
1892 ⓘ |
| crosses | East River NERFINISHED ⓘ |
| electrification | third rail ⓘ |
| hasElectrificationSystem | 600 V DC third rail ⓘ |
| hasFunction | passenger transport ⓘ |
| hasLocale |
Manhattan, New York City
NERFINISHED
ⓘ
Queens, New York City NERFINISHED ⓘ |
| hasNumberOfTubes | 2 ⓘ |
| hasOwner | New York City NERFINISHED ⓘ |
| hasTrackGauge | standard gauge ⓘ |
| hasTransportationMode | rapid transit ⓘ |
| isBelow | riverbed of the East River ⓘ |
| isInMetropolitanArea | New York metropolitan area NERFINISHED ⓘ |
| isPartOfNetwork | New York City Subway tunnel system NERFINISHED ⓘ |
| isTypeOf | inter-borough tunnel ⓘ |
| isUnderJurisdictionOf | Metropolitan Transportation Authority NERFINISHED ⓘ |
| locatedIn |
United States of America
ⓘ
surface form:
United States
|
| locatedUnder | East River NERFINISHED ⓘ |
| location | New York City ⓘ |
| namedAfter | William Steinway NERFINISHED ⓘ |
| opened | 1907 ⓘ |
| operator |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority NERFINISHED ⓘ |
| originalPurpose | trolley tunnel ⓘ |
| owner |
New York City
ⓘ
surface form:
City of New York
|
| partOf |
IRT division
NERFINISHED
ⓘ
New York City Subway ⓘ |
| partOfLine | Flushing Line underwater crossing NERFINISHED ⓘ |
| status | in use ⓘ |
| usedBy |
7 train
ⓘ
<7> train ⓘ |
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: Steinway Tunnel Description of subject: The Steinway Tunnel is an underwater rail tunnel in New York City that carries subway trains between Manhattan and Queens beneath the East River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
IRT Flushing Line