Harlem River Lift Bridge
E691986
The Harlem River Lift Bridge is a vertical-lift railroad bridge in New York City that carries Metro-North Railroad trains across the Harlem River between Manhattan and the Bronx.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Harlem River Lift Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6321518 — 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: Harlem River Lift Bridge Context triple: [Harlem River crossings, include, Harlem River Lift Bridge]
-
A.
Hudson Memorial Bridge
The Hudson Memorial Bridge is a major highway bridge spanning the Tennessee River in Decatur, Alabama, serving as a key transportation link in the region.
-
B.
Henry Hudson Bridge
The Henry Hudson Bridge is a steel arch toll bridge in New York City that carries traffic over the Spuyten Duyvil Creek between Manhattan and the Bronx.
-
C.
Queensborough Bridge
The Queensborough Bridge is a road bridge in Metro Vancouver, British Columbia, connecting New Westminster to the Queensborough neighborhood on Lulu Island.
-
D.
Bayonne Bridge
The Bayonne Bridge is a historic steel arch bridge connecting Staten Island, New York, to Bayonne, New Jersey, and is notable for its large span and role as a key transportation link in the New York Harbor area.
-
E.
Cross Bay Veterans Memorial Bridge
The Cross Bay Veterans Memorial Bridge is a toll bridge in New York City that connects the Queens neighborhood of Broad Channel with the Rockaway Peninsula across Jamaica Bay.
- 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: Harlem River Lift Bridge Target entity description: The Harlem River Lift Bridge is a vertical-lift railroad bridge in New York City that carries Metro-North Railroad trains across the Harlem River between Manhattan and the Bronx.
-
A.
Hudson Memorial Bridge
The Hudson Memorial Bridge is a major highway bridge spanning the Tennessee River in Decatur, Alabama, serving as a key transportation link in the region.
-
B.
Henry Hudson Bridge
The Henry Hudson Bridge is a steel arch toll bridge in New York City that carries traffic over the Spuyten Duyvil Creek between Manhattan and the Bronx.
-
C.
Queensborough Bridge
The Queensborough Bridge is a road bridge in Metro Vancouver, British Columbia, connecting New Westminster to the Queensborough neighborhood on Lulu Island.
-
D.
Bayonne Bridge
The Bayonne Bridge is a historic steel arch bridge connecting Staten Island, New York, to Bayonne, New Jersey, and is notable for its large span and role as a key transportation link in the New York Harbor area.
-
E.
Cross Bay Veterans Memorial Bridge
The Cross Bay Veterans Memorial Bridge is a toll bridge in New York City that connects the Queens neighborhood of Broad Channel with the Rockaway Peninsula across Jamaica Bay.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
movable bridge
ⓘ
railroad bridge ⓘ steel bridge ⓘ vertical-lift bridge ⓘ |
| carries |
Metro-North Railroad
NERFINISHED
ⓘ
commuter rail traffic ⓘ |
| city | New York City ⓘ |
| connects |
Manhattan
NERFINISHED
ⓘ
The Bronx NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Harlem River NERFINISHED ⓘ |
| function | to carry trains across the Harlem River ⓘ |
| hasFeature | movable lift span for marine traffic ⓘ |
| locatedIn |
Manhattan
ⓘ
The Bronx ⓘ |
| location | New York City ⓘ |
| maintainedBy | Metro-North Railroad NERFINISHED ⓘ |
| owner | Metro-North Railroad NERFINISHED ⓘ |
| partOf |
Harlem Line
NERFINISHED
ⓘ
Hudson Line NERFINISHED ⓘ New Haven Line NERFINISHED ⓘ |
| railwayUsage | intercity commuter rail ⓘ |
| riverMouthSide | Harlem River Ship Canal vicinity ⓘ |
| separates | Upper Manhattan from the South Bronx ⓘ |
| state | New York ⓘ |
| structureType | vertical-lift span ⓘ |
| usage | rail transport only ⓘ |
| usedBy |
Metro-North Harlem Line trains
NERFINISHED
ⓘ
Metro-North Hudson Line trains NERFINISHED ⓘ Metro-North New Haven Line trains NERFINISHED ⓘ |
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: Harlem River Lift Bridge Description of subject: The Harlem River Lift Bridge is a vertical-lift railroad bridge in New York City that carries Metro-North Railroad trains across the Harlem River between Manhattan and the Bronx.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.