Great Chain across the Hudson River
E681390
The Great Chain across the Hudson River was a massive iron barrier deployed by the Continental Army during the American Revolutionary War to prevent British naval vessels from advancing up the river near West Point.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Great Chain across the Hudson River canonical | 3 |
| Hudson River chain at West Point | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7678552 — 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: Great Chain across the Hudson River Context triple: [Constitution Island, connectedWith, Great Chain across the Hudson River]
-
A.
Roebling's Delaware Aqueduct
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.
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B.
Walkway Over the Hudson
Walkway Over the Hudson is a former railroad bridge transformed into one of the world’s longest elevated pedestrian parks, offering expansive views over the Hudson River in New York.
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C.
Rip Van Winkle Bridge
The Rip Van Winkle Bridge is a Hudson River crossing in New York State that connects the towns of Catskill and Hudson and serves as a key regional transportation link.
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D.
Waterford Bridge over Hudson River
Waterford Bridge over Hudson River is a roadway bridge spanning the Hudson River at Waterford, New York, providing a key local crossing and connection in the Capital District region.
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E.
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.
- 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: Great Chain across the Hudson River Target entity description: The Great Chain across the Hudson River was a massive iron barrier deployed by the Continental Army during the American Revolutionary War to prevent British naval vessels from advancing up the river near West Point.
-
A.
Roebling's Delaware Aqueduct
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.
-
B.
Walkway Over the Hudson
Walkway Over the Hudson is a former railroad bridge transformed into one of the world’s longest elevated pedestrian parks, offering expansive views over the Hudson River in New York.
-
C.
Rip Van Winkle Bridge
The Rip Van Winkle Bridge is a Hudson River crossing in New York State that connects the towns of Catskill and Hudson and serves as a key regional transportation link.
-
D.
Waterford Bridge over Hudson River
Waterford Bridge over Hudson River is a roadway bridge spanning the Hudson River at Waterford, New York, providing a key local crossing and connection in the Capital District region.
-
E.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
American Revolutionary War fortification
ⓘ
military barrier ⓘ naval obstruction ⓘ |
| alsoKnownAs |
Great Chain
NERFINISHED
ⓘ
West Point Chain NERFINISHED ⓘ |
| conflict | American Revolutionary War ⓘ |
| constructedBy | Continental Army NERFINISHED ⓘ |
| controlledBy | United States Military Academy NERFINISHED ⓘ |
| country | United States of America ⓘ |
| designedBy |
American military engineers
ⓘ
Thaddeus Kościuszko NERFINISHED ⓘ |
| endTime | 1782 ⓘ |
| hasPart |
iron anchors
ⓘ
iron links ⓘ log rafts ⓘ sections displayed at West Point ⓘ |
| heritageDesignation | historic military artifact ⓘ |
| inception | 1778 ⓘ |
| length |
approximately 1,500 to 1,800 feet
ⓘ
approximately 600 meters ⓘ |
| linkWeight | approximately 100 to 180 pounds per link ⓘ |
| locatedInTheAdministrativeTerritorialEntity | New York NERFINISHED ⓘ |
| locatedNear | West Point, New York NERFINISHED ⓘ |
| location | Hudson River NERFINISHED ⓘ |
| madeOf | iron ⓘ |
| manufacturedAt | Sterling Iron Works NERFINISHED ⓘ |
| manufacturedBy | Peter Townsend NERFINISHED ⓘ |
| materialUsed | wrought iron ⓘ |
| notableFor |
being one of the largest iron chains of the 18th century
ⓘ
its role in American defensive strategy on the Hudson River ⓘ |
| opposedTo | Royal Navy NERFINISHED ⓘ |
| partOf |
Hudson River defenses
NERFINISHED
ⓘ
West Point fortifications NERFINISHED ⓘ |
| presentLocation | United States Military Academy at West Point NERFINISHED ⓘ |
| purpose |
to block British warships near West Point
ⓘ
to prevent British naval vessels from sailing up the Hudson River ⓘ |
| relatedTo | chevaux-de-frise in the Hudson River ⓘ |
| replaced | earlier chain at Fort Montgomery ⓘ |
| startTime | 1778 ⓘ |
| strategicImportance |
to prevent British forces from dividing New England from the other colonies
ⓘ
to secure the Hudson River corridor ⓘ |
| stretchedBetween |
Constitution Island
NERFINISHED
ⓘ
West Point NERFINISHED ⓘ |
| totalWeight | approximately 65 tons ⓘ |
| usedBy | Continental Army NERFINISHED ⓘ |
| usedUntil | end of the American Revolutionary War ⓘ |
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: Great Chain across the Hudson River Description of subject: The Great Chain across the Hudson River was a massive iron barrier deployed by the Continental Army during the American Revolutionary War to prevent British naval vessels from advancing up the river near West Point.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
American Revolutionary War defenses in the Hudson Highlands
Highlands Department of the Continental Army
→
usedDefensiveMeasure
→
Great Chain across the Hudson River
ⓘ
this entity surface form:
Hudson River chain at West Point