Cornwall Canal (historic)
E215904
The Cornwall Canal was a historic navigation canal on the St. Lawrence River in Ontario that enabled ships to bypass rapids near Cornwall before the construction of the St. Lawrence Seaway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cornwall Canal (historic) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1914501 — 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: Cornwall Canal (historic) Context triple: [Cornwall, Ontario, hasInfrastructure, Cornwall Canal (historic)]
-
A.
Milford Haven Waterway
Milford Haven Waterway is a large natural harbour and deep estuary in southwest Wales, known for its sheltered anchorage, maritime industry, and oil and gas facilities.
-
B.
Peak Forest Canal
The Peak Forest Canal is a historic narrow canal in northwest England that was built to transport limestone from Derbyshire and now serves as a scenic route for leisure boating and walking.
-
C.
Severn Canal
The Severn Canal is a historic Canadian waterway segment that forms part of the Trent–Severn Waterway, linking inland lakes and rivers for navigation across central Ontario.
-
D.
Lancaster Canal
Lancaster Canal is a historic English waterway in North West England, renowned for its lock-free main line and scenic rural route that supported regional trade during the Industrial Revolution.
-
E.
Albert Canal
The Albert Canal is a major Belgian waterway linking the Meuse River to the port of Antwerp, serving as an important route for inland shipping and freight transport.
- 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: Cornwall Canal (historic) Target entity description: The Cornwall Canal was a historic navigation canal on the St. Lawrence River in Ontario that enabled ships to bypass rapids near Cornwall before the construction of the St. Lawrence Seaway.
-
A.
Milford Haven Waterway
Milford Haven Waterway is a large natural harbour and deep estuary in southwest Wales, known for its sheltered anchorage, maritime industry, and oil and gas facilities.
-
B.
Peak Forest Canal
The Peak Forest Canal is a historic narrow canal in northwest England that was built to transport limestone from Derbyshire and now serves as a scenic route for leisure boating and walking.
-
C.
Severn Canal
The Severn Canal is a historic Canadian waterway segment that forms part of the Trent–Severn Waterway, linking inland lakes and rivers for navigation across central Ontario.
-
D.
Lancaster Canal
Lancaster Canal is a historic English waterway in North West England, renowned for its lock-free main line and scenic rural route that supported regional trade during the Industrial Revolution.
-
E.
Albert Canal
The Albert Canal is a major Belgian waterway linking the Meuse River to the port of Antwerp, serving as an important route for inland shipping and freight transport.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
navigation canal
ⓘ
ship canal ⓘ |
| associatedWith |
St. Lawrence–FDR Power Project
ⓘ
surface form:
St. Lawrence Seaway project
|
| builtFor | facilitating regional trade along the St. Lawrence River ⓘ |
| category |
canals on the St. Lawrence River
ⓘ
historic canals in Ontario ⓘ |
| connectedTo |
downstream sections of the St. Lawrence River
ⓘ
upstream sections of the St. Lawrence River ⓘ |
| country | Canada ⓘ |
| era | pre–St. Lawrence Seaway era ⓘ |
| followedBy |
Great Lakes–St. Lawrence system
ⓘ
surface form:
St. Lawrence Seaway
|
| functionedAs | bypass route around St. Lawrence River rapids near Cornwall ⓘ |
| hasCity | Cornwall, Ontario ⓘ |
| heritageCategory | industrial heritage site ⓘ |
| historicalSignificance |
contributed to development of inland shipping routes in Canada
ⓘ
enabled larger vessels to bypass dangerous rapids near Cornwall ⓘ |
| impact |
formed part of early Canadian maritime trade infrastructure
ⓘ
supported economic development of Cornwall and surrounding region ⓘ |
| isPartOf |
St. Lawrence canals system
ⓘ
historic canals of Canada ⓘ |
| locatedIn |
Canada
ⓘ
Ontario ⓘ |
| locatedInAdministrativeArea | United Counties of Stormont, Dundas and Glengarry ⓘ |
| locatedNear | Cornwall Canal (Ontario) rapids area on the St. Lawrence River ⓘ |
| locatedOnWaterway |
Saint Lawrence River
ⓘ
surface form:
St. Lawrence River
|
| navigationRole |
allowed passage of vessels that could not safely run the rapids
ⓘ
improved safety of navigation on the St. Lawrence River near Cornwall ⓘ |
| partOf | St. Lawrence River navigation system ⓘ |
| precededBy | natural navigation on the St. Lawrence River through rapids near Cornwall ⓘ |
| primaryFunction | improve navigation on the St. Lawrence River ⓘ |
| purpose | to bypass rapids on the St. Lawrence River near Cornwall ⓘ |
| region | Eastern Ontario ⓘ |
| replacedBy |
Great Lakes–St. Lawrence system
ⓘ
surface form:
St. Lawrence Seaway
|
| status |
historic
ⓘ
no longer in primary commercial use ⓘ |
| transportCorridor |
Great Lakes–St. Lawrence system
ⓘ
surface form:
St. Lawrence–Great Lakes waterway
|
| transportMode | water transport ⓘ |
| usedFor |
commercial shipping
ⓘ
transportation of goods ⓘ transportation of passengers ⓘ |
| waterwayType | lock canal ⓘ |
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: Cornwall Canal (historic) Description of subject: The Cornwall Canal was a historic navigation canal on the St. Lawrence River in Ontario that enabled ships to bypass rapids near Cornwall before the construction of the St. Lawrence Seaway.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.