Trent–Severn Waterway Lock 33
E607546
Trent–Severn Waterway Lock 33 is one of the navigational locks on Ontario’s historic Trent–Severn Waterway, facilitating boat passage and water level management along the Trent River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Trent–Severn Waterway Lock 33 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6248606 — 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: Trent–Severn Waterway Lock 33 Context triple: [Trent River, hasLock, Trent–Severn Waterway Lock 33]
-
A.
Smiths Falls Locks
Smiths Falls Locks are a historic set of canal locks in Smiths Falls, Ontario, that form a key part of the Rideau Canal’s navigation and heritage infrastructure.
-
B.
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.
-
C.
Bobcaygeon Lock
Bobcaygeon Lock is a historic canal lock in Bobcaygeon, Ontario, that facilitates boat navigation and water level control along Canada’s Trent–Severn Waterway.
-
D.
Welland Canal
The Welland Canal is a key Canadian shipping canal that allows vessels to bypass Niagara Falls by connecting Lake Erie with Lake Ontario as part of the St. Lawrence Seaway.
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E.
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.
- 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: Trent–Severn Waterway Lock 33 Target entity description: Trent–Severn Waterway Lock 33 is one of the navigational locks on Ontario’s historic Trent–Severn Waterway, facilitating boat passage and water level management along the Trent River.
-
A.
Smiths Falls Locks
Smiths Falls Locks are a historic set of canal locks in Smiths Falls, Ontario, that form a key part of the Rideau Canal’s navigation and heritage infrastructure.
-
B.
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.
-
C.
Bobcaygeon Lock
Bobcaygeon Lock is a historic canal lock in Bobcaygeon, Ontario, that facilitates boat navigation and water level control along Canada’s Trent–Severn Waterway.
-
D.
Welland Canal
The Welland Canal is a key Canadian shipping canal that allows vessels to bypass Niagara Falls by connecting Lake Erie with Lake Ontario as part of the St. Lawrence Seaway.
-
E.
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.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
navigation lock
ⓘ
waterway lock ⓘ |
| connects | sections of the Trent River at different water levels ⓘ |
| country | Canada ⓘ |
| hasConservationStatus | protected as part of a national historic site ⓘ |
| hasFunction |
facilitates boat passage
ⓘ
water level management ⓘ |
| hasInfrastructureType | canal lock ⓘ |
| hasNavigationalRole | enables vessels to bypass changes in river elevation ⓘ |
| hasPurpose |
support local and regional recreation
ⓘ
support tourism on the Trent–Severn Waterway ⓘ |
| heritageDesignation | part of historic Trent–Severn Waterway ⓘ |
| heritageStatusHolder |
Trent–Severn Waterway National Historic Site of Canada
ⓘ
linked to:
Trent–Severn Waterway
|
| isEngineeringStructureOfType | hydraulic engineering structure ⓘ |
| isPartOf |
Trent–Severn Waterway lock system
ⓘ
linked to:
Trent–Severn Waterway
|
| locatedIn |
Canada
ⓘ
Ontario ⓘ |
| locatedInAdministrativeTerritory |
Province of Ontario
ⓘ
linked to:
Ontario
|
| locatedOnWatercourse | Trent River ⓘ |
| operator | Parks Canada ⓘ |
| ownedBy |
Government of Canada
ⓘ
linked to:
Canadian federal government (Ottawa)
|
| partOf | Trent–Severn Waterway ⓘ |
| partOfRoute | inland waterway route between Lake Ontario and Georgian Bay ⓘ |
| usedFor |
inland navigation
ⓘ
recreational boating ⓘ |
| waterway | Trent–Severn 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: Trent–Severn Waterway Lock 33 Description of subject: Trent–Severn Waterway Lock 33 is one of the navigational locks on Ontario’s historic Trent–Severn Waterway, facilitating boat passage and water level management along the Trent River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.