Cornwall Canal (Ontario) rapids area on the St. Lawrence River
E839993
The Cornwall Canal (Ontario) rapids area on the St. Lawrence River is a stretch of turbulent water and former navigation hazard that historically necessitated canal construction to bypass its strong currents and shallows.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cornwall Canal (Ontario) rapids area on the St. Lawrence River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10097409 — 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 (Ontario) rapids area on the St. Lawrence River Context triple: [Cornwall Canal (historic), locatedNear, Cornwall Canal (Ontario) rapids area on the St. Lawrence River]
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A.
Trent–Severn Waterway
The Trent–Severn Waterway is a historic Canadian canal system in Ontario that links Lake Ontario to Georgian Bay through a chain of rivers, lakes, and locks, and is now a popular recreational boating route.
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B.
Long Sault, Ontario
Long Sault, Ontario is a small community in Eastern Ontario situated along the St. Lawrence River, known for its proximity to the Long Sault Parkway and the historic Lost Villages.
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C.
Ottawa River shoreline
The Ottawa River shoreline is a scenic stretch of waterfront along the Ottawa River, noted for its natural beauty, recreational opportunities, and historical significance in eastern Ontario and western Quebec.
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D.
Whitewater Region, Ontario
Whitewater Region, Ontario is a rural township in Renfrew County known for its Ottawa River shoreline, agricultural communities, and outdoor recreation opportunities.
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E.
Deep River, Ontario
Deep River, Ontario is a small planned community on the Ottawa River known for its close association with the nearby Chalk River Laboratories and Canada’s early nuclear research program.
- 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 (Ontario) rapids area on the St. Lawrence River Target entity description: The Cornwall Canal (Ontario) rapids area on the St. Lawrence River is a stretch of turbulent water and former navigation hazard that historically necessitated canal construction to bypass its strong currents and shallows.
-
A.
Trent–Severn Waterway
The Trent–Severn Waterway is a historic Canadian canal system in Ontario that links Lake Ontario to Georgian Bay through a chain of rivers, lakes, and locks, and is now a popular recreational boating route.
-
B.
Long Sault, Ontario
Long Sault, Ontario is a small community in Eastern Ontario situated along the St. Lawrence River, known for its proximity to the Long Sault Parkway and the historic Lost Villages.
-
C.
Ottawa River shoreline
The Ottawa River shoreline is a scenic stretch of waterfront along the Ottawa River, noted for its natural beauty, recreational opportunities, and historical significance in eastern Ontario and western Quebec.
-
D.
Whitewater Region, Ontario
Whitewater Region, Ontario is a rural township in Renfrew County known for its Ottawa River shoreline, agricultural communities, and outdoor recreation opportunities.
-
E.
Deep River, Ontario
Deep River, Ontario is a small planned community on the Ottawa River known for its close association with the nearby Chalk River Laboratories and Canada’s early nuclear research program.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | rapids ⓘ |
| bypassedBy |
Cornwall Canal
NERFINISHED
ⓘ
St. Lawrence Seaway locks near Cornwall NERFINISHED ⓘ |
| country | Canada ⓘ |
| hasCharacteristic |
shallows
ⓘ
strong currents ⓘ turbulent water ⓘ |
| hasEnvironmentalFeature |
fast-flowing current
ⓘ
shallow rocky riverbed ⓘ |
| hasUse | historical navigation route (hazardous) ⓘ |
| historicalPeriod | 19th century navigation era ⓘ |
| historicalRole | navigation hazard on the St. Lawrence River ⓘ |
| locatedIn |
Ontario
ⓘ
St. Lawrence River NERFINISHED ⓘ |
| locatedInWaterwaySystem | Great Lakes–St. Lawrence waterway NERFINISHED ⓘ |
| locatedNear | Cornwall, Ontario NERFINISHED ⓘ |
| locatedUpstreamOf | Cornwall, Ontario NERFINISHED ⓘ |
| motivatedConstructionOf | Cornwall Canal NERFINISHED ⓘ |
| navigationStatus |
formerly major obstruction to shipping
ⓘ
largely bypassed by modern canalized channel ⓘ |
| partOf |
St. Lawrence River navigation system
NERFINISHED
ⓘ
St. Lawrence River rapids NERFINISHED ⓘ |
| presentDayUse |
habitat for riverine aquatic species
ⓘ
local boating and recreation area (with restrictions) ⓘ |
| region | Eastern Ontario NERFINISHED ⓘ |
| relatedStructure |
Cornwall Canal (Ontario)
NERFINISHED
ⓘ
St. Lawrence Seaway NERFINISHED ⓘ |
| risk | hazardous to small craft in high flow conditions ⓘ |
| watercourse | St. Lawrence River 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: Cornwall Canal (Ontario) rapids area on the St. Lawrence River Description of subject: The Cornwall Canal (Ontario) rapids area on the St. Lawrence River is a stretch of turbulent water and former navigation hazard that historically necessitated canal construction to bypass its strong currents and shallows.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Cornwall Canal (historic)
→
locatedNear
→
Cornwall Canal (Ontario) rapids area on the St. Lawrence River
ⓘ