Murray Canal
E170218
The Murray Canal is a man-made waterway in Ontario, Canada, that provides a navigable shortcut between the Bay of Quinte and Lake Ontario as part of the Trent–Severn Waterway.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Murray Canal canonical | 2 |
| Murray Canal of the Trent–Severn Waterway | 1 |
| Trent Canal | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1476936 — 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: Murray Canal Context triple: [Prince Edward County, connectedBy, Murray Canal]
-
A.
Union Canal
The Union Canal is a historic Scottish waterway that links Edinburgh to the Forth & Clyde Canal near Falkirk, once vital for transporting coal and other goods and now used mainly for leisure boating and recreation.
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B.
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.
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C.
Ashton Canal
The Ashton Canal is a historic narrow canal in Greater Manchester, England, that links central Manchester to the Peak Forest Canal and forms part of the region’s Pennine waterway network.
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D.
Montgomery Canal
The Montgomery Canal is a historic, largely rural waterway in Wales and England known for its rich wildlife habitats and ongoing restoration for leisure boating and conservation.
-
E.
Nira Left Bank Canal
Nira Left Bank Canal is a major irrigation canal in Maharashtra, India, that supplies water to agricultural areas including the Baramati region.
- 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: Murray Canal Target entity description: The Murray Canal is a man-made waterway in Ontario, Canada, that provides a navigable shortcut between the Bay of Quinte and Lake Ontario as part of the Trent–Severn Waterway.
-
A.
Union Canal
The Union Canal is a historic Scottish waterway that links Edinburgh to the Forth & Clyde Canal near Falkirk, once vital for transporting coal and other goods and now used mainly for leisure boating and recreation.
-
B.
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.
-
C.
Ashton Canal
The Ashton Canal is a historic narrow canal in Greater Manchester, England, that links central Manchester to the Peak Forest Canal and forms part of the region’s Pennine waterway network.
-
D.
Montgomery Canal
The Montgomery Canal is a historic, largely rural waterway in Wales and England known for its rich wildlife habitats and ongoing restoration for leisure boating and conservation.
-
E.
Nira Left Bank Canal
Nira Left Bank Canal is a major irrigation canal in Maharashtra, India, that supplies water to agricultural areas including the Baramati region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
man-made waterway ⓘ |
| connectedTo |
Otonabee River
ⓘ
surface form:
Trent River via Trent–Severn Waterway
|
| connects |
Bay of Quinte
ⓘ
Lake Ontario ⓘ |
| constructionStartDate | 1882 ⓘ |
| country | Canada ⓘ |
| crosses | isthmus between Presqu’ile Bay and the Bay of Quinte ⓘ |
| currentlyPrimarilyUsedFor | pleasure craft ⓘ |
| governedBy | federal jurisdiction of Canada ⓘ |
| hasAlternativeName |
Murray Canal
ⓘ
surface form:
Murray Canal of the Trent–Severn Waterway
|
| hasBank |
north bank in Northumberland County
ⓘ
south bank in Prince Edward County ⓘ |
| hasBridgeType | swing bridge ⓘ |
| hasEngineeringStructure | earth and rock cut canal ⓘ |
| hasFeature |
controlled water levels via locks
ⓘ
navigational aids ⓘ swing bridges for road traffic ⓘ |
| hasFunction | provides navigable shortcut between Bay of Quinte and Lake Ontario ⓘ |
| hasLock | Lock 1 of the Trent–Severn Waterway ⓘ |
| hasNavigationSeason | typically late spring to fall ⓘ |
| hasNearbyProtectedArea | Presqu’ile Provincial Park ⓘ |
| hasNumberOfSwingBridges | 2 ⓘ |
| hasSwingBridge |
Brighton Road Swing Bridge
ⓘ
Carrying Place Swing Bridge ⓘ |
| historicalPurpose |
improve commercial navigation in 19th century
ⓘ
shorten shipping route between Lake Ontario and Bay of Quinte ⓘ |
| isPartOfRouteBetween | Lake Ontario and Georgian Bay via Trent–Severn Waterway ⓘ |
| length | approximately 8 kilometres ⓘ |
| locatedIn |
Northumberland County
ⓘ
Ontario ⓘ Prince Edward County ⓘ Quinte Region ⓘ
surface form:
Quinte region
Eastern Ontario ⓘ
surface form:
eastern Ontario
|
| maintainedBy | Parks Canada ⓘ |
| nearbyCommunity |
Brighton, Ontario
ⓘ
Carrying Place, Ontario ⓘ |
| opened | 1889 ⓘ |
| originallyBuiltFor | commercial shipping ⓘ |
| partOf |
Trent–Severn Waterway
ⓘ
surface form:
National Historic Site of Canada Trent–Severn Waterway
Trent–Severn Waterway ⓘ |
| region | Bay of Quinte area ⓘ |
| status | operational ⓘ |
| usedFor |
recreational boating
ⓘ
small commercial vessel navigation ⓘ |
| waterwayDirection | generally east–west ⓘ |
| waterwaySystem |
Great Lakes–St. Lawrence system
ⓘ
surface form:
Great Lakes–St. Lawrence waterway system
|
| waterwayType | navigation 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: Murray Canal Description of subject: The Murray Canal is a man-made waterway in Ontario, Canada, that provides a navigable shortcut between the Bay of Quinte and Lake Ontario as part of the Trent–Severn Waterway.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Trent Canal
this entity surface form:
Murray Canal of the Trent–Severn Waterway