Roebling's Delaware Aqueduct
E219631
National Historic Landmark
canal aqueduct
historic bridge
road bridge
structure on the National Register of Historic Places
suspension aqueduct
suspension bridge
Roebling's Delaware Aqueduct is a historic 19th-century suspension aqueduct and former canal bridge designed by John A. Roebling that now serves as a road bridge over the Delaware River between Pennsylvania and New York.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Roebling Aqueduct | 1 |
| Roebling Delaware Aqueduct | 1 |
| Roebling's Delaware Aqueduct canonical | 1 |
| Roebling’s Delaware Aqueduct | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1943521 — 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: Roebling's Delaware Aqueduct Context triple: [Delaware Aqueduct, alsoKnownAs, Roebling's Delaware Aqueduct]
-
A.
Catskill Aqueduct
The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
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B.
Delaware and Hudson Canal
The Delaware and Hudson Canal was a 19th-century engineering project that transported anthracite coal from Pennsylvania to the Hudson River, playing a key role in early American industrialization and canal-era commerce.
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C.
Rising Bridge
Rising Bridge is a small village in Lancashire, England, situated within the Rossendale Valley and known for its position near key road links between Manchester and the surrounding Pennine towns.
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D.
Albany–Rensselaer rail bridge
The Albany–Rensselaer rail bridge is a major railroad bridge in New York State that carries rail traffic between Albany and Rensselaer across the Hudson River.
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E.
Poughkeepsie Railroad Bridge
The Poughkeepsie Railroad Bridge is a historic steel cantilever bridge over the Hudson River, now a popular pedestrian walkway and scenic landmark in Poughkeepsie, New York.
- 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: Roebling's Delaware Aqueduct Target entity description: Roebling's Delaware Aqueduct is a historic 19th-century suspension aqueduct and former canal bridge designed by John A. Roebling that now serves as a road bridge over the Delaware River between Pennsylvania and New York.
-
A.
Catskill Aqueduct
The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
-
B.
Delaware and Hudson Canal
The Delaware and Hudson Canal was a 19th-century engineering project that transported anthracite coal from Pennsylvania to the Hudson River, playing a key role in early American industrialization and canal-era commerce.
-
C.
Rising Bridge
Rising Bridge is a small village in Lancashire, England, situated within the Rossendale Valley and known for its position near key road links between Manchester and the surrounding Pennine towns.
-
D.
Albany–Rensselaer rail bridge
The Albany–Rensselaer rail bridge is a major railroad bridge in New York State that carries rail traffic between Albany and Rensselaer across the Hudson River.
-
E.
Poughkeepsie Railroad Bridge
The Poughkeepsie Railroad Bridge is a historic steel cantilever bridge over the Hudson River, now a popular pedestrian walkway and scenic landmark in Poughkeepsie, New York.
- F. None of above. chosen
Statements (47)
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: Roebling's Delaware Aqueduct Description of subject: Roebling's Delaware Aqueduct is a historic 19th-century suspension aqueduct and former canal bridge designed by John A. Roebling that now serves as a road bridge over the Delaware River between Pennsylvania and New York.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Roebling Aqueduct
this entity surface form:
Roebling Delaware Aqueduct
this entity surface form:
Roebling’s Delaware Aqueduct