Champlain Canal
E5472
The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation system.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T3875 — 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: Champlain Canal Context triple: [Hudson River, connectedTo, Champlain Canal]
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A.
Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
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B.
Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
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C.
East River
The East River is a tidal strait in New York City that separates Manhattan from Brooklyn and Queens and serves as a major waterway spanned by several iconic bridges.
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D.
Charles River
The Charles River is a prominent river in eastern Massachusetts that flows between Boston and Cambridge and is known for its scenic banks, recreational activities, and role in the region’s history and culture.
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E.
Harlem River
The Harlem River is a tidal strait in New York City that separates Manhattan from the Bronx and connects the Hudson River to the East River.
- 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: Champlain Canal Target entity description: The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation system.
-
A.
Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
-
B.
Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
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C.
East River
The East River is a tidal strait in New York City that separates Manhattan from Brooklyn and Queens and serves as a major waterway spanned by several iconic bridges.
-
D.
Charles River
The Charles River is a prominent river in eastern Massachusetts that flows between Boston and Cambridge and is known for its scenic banks, recreational activities, and role in the region’s history and culture.
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E.
Harlem River
The Harlem River is a tidal strait in New York City that separates Manhattan from the Bronx and connects the Hudson River to the East River.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
artificial waterway
ⓘ
canal ⓘ historic canal ⓘ |
| connectedWith | Erie Canal ⓘ |
| connectsTo |
Hudson River
ⓘ
Lake Champlain ⓘ |
| constructionStart | early 19th century ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| endPoint | Lake Champlain ⓘ |
| hasFunction | link Hudson River to Lake Champlain ⓘ |
| heritageDesignation | historic waterway of New York State ⓘ |
| historicalSignificance | linked New York City and Atlantic trade with Canada via Lake Champlain ⓘ |
| historicalUse |
movement of bulk cargo
ⓘ
support of regional commerce ⓘ |
| locatedIn |
New York State
ⓘ
linked to:
U.S. state of New York
United States Northeast region ⓘ eastern New York ⓘ |
| maintainedBy | New York State Canal Corporation ⓘ |
| namedAfter | Samuel de Champlain ⓘ |
| openedInCentury | 19th century ⓘ |
| openingDate | 1823 ⓘ |
| operator |
New York State Canal Corporation
ⓘ
linked to:
New York State Canal System
|
| partOf |
New York State Barge Canal system
ⓘ
linked to:
New York State Canal System
New York State Canal System ⓘ New York State inland navigation system ⓘ
linked to:
New York State Canal System
|
| regionServed |
Hudson River Valley
ⓘ
linked to:
Hudson Valley
Lake Champlain region ⓘ |
| startPoint | Hudson River ⓘ |
| status | operational ⓘ |
| transportCorridor |
New York–Canada route
ⓘ
linked to:
Canada–United States border region
|
| usedFor |
commercial navigation
ⓘ
recreational boating ⓘ transportation ⓘ |
| waterwaySystem |
Hudson River watershed
ⓘ
Lake Champlain basin ⓘ |
| waterwayType | inland waterway ⓘ |
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: Champlain Canal Description of subject: The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation system.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Champlain Canal
New York Power Authority in 2017
→
operates
→
Champlain Canal (as part of the New York State Canal System)
ⓘ
linked to: Champlain Canal
subject linked to:
Waterford
linked to: Champlain Canal
linked to: Champlain Canal
linked to: Champlain Canal
linked to: Champlain Canal