Kirkfield Lift Lock
E169062
Kirkfield Lift Lock is a historic hydraulic boat lift in Ontario, Canada, known as one of the highest lift locks in the world and a key engineering feature of the Trent–Severn Waterway.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kirkfield Lift Lock canonical | 4 |
| historic Kirkfield Lift Lock | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1479876 — 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: Kirkfield Lift Lock Context triple: [Trent–Severn Waterway, hasPart, Kirkfield Lift Lock]
-
A.
Kirkstead Lock
Kirkstead Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
-
B.
Sunbury Lock
Sunbury Lock is a lock on the River Thames in England, used to manage water levels and enable boats to navigate between different stretches of the river.
-
C.
Falkirk Wheel
The Falkirk Wheel is a rotating boat lift in Scotland that uniquely connects the Forth and Clyde Canal with the Union Canal and serves as an iconic feat of modern engineering.
-
D.
New Haw Lock
New Haw Lock is a navigation lock on the River Wey in Surrey, England, used to manage water levels and enable boat passage along the waterway.
-
E.
Deansgate Locks
Deansgate Locks is a popular leisure and nightlife complex in Manchester, England, featuring bars, restaurants, and venues built into converted railway arches along the Rochdale Canal.
- 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: Kirkfield Lift Lock Target entity description: Kirkfield Lift Lock is a historic hydraulic boat lift in Ontario, Canada, known as one of the highest lift locks in the world and a key engineering feature of the Trent–Severn Waterway.
-
A.
Kirkstead Lock
Kirkstead Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
-
B.
Sunbury Lock
Sunbury Lock is a lock on the River Thames in England, used to manage water levels and enable boats to navigate between different stretches of the river.
-
C.
Falkirk Wheel
The Falkirk Wheel is a rotating boat lift in Scotland that uniquely connects the Forth and Clyde Canal with the Union Canal and serves as an iconic feat of modern engineering.
-
D.
New Haw Lock
New Haw Lock is a navigation lock on the River Wey in Surrey, England, used to manage water levels and enable boat passage along the waterway.
-
E.
Deansgate Locks
Deansgate Locks is a popular leisure and nightlife complex in Manchester, England, featuring bars, restaurants, and venues built into converted railway arches along the Rochdale Canal.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
boat lift
ⓘ
canal structure ⓘ historic site ⓘ hydraulic lift lock ⓘ |
| category |
Trent–Severn Waterway locks
ⓘ
linked to:
Trent–Severn Waterway
boat lifts in Canada ⓘ hydraulic structures ⓘ tourist attractions in Kawartha Lakes ⓘ transport infrastructure in Ontario ⓘ |
| constructionMaterial | concrete ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| elevationGain |
approximately 15 metres
ⓘ
approximately 49 feet ⓘ |
| engineeringDiscipline |
civil engineering
ⓘ
hydraulic engineering ⓘ |
| function | overcome elevation difference on canal ⓘ |
| hasFeature |
two water-filled caissons
ⓘ
vertical boat lift mechanism ⓘ |
| hasLanguageContext | English ⓘ |
| hasNeighbour |
Kirkfield Road
ⓘ
surrounding rural landscape ⓘ |
| hasRank | one of the highest lift locks in the world ⓘ |
| hasType | counterweight hydraulic lift lock ⓘ |
| heritageDesignation | historic engineering work ⓘ |
| locatedIn |
Kawartha Lakes
ⓘ
Ontario ⓘ |
| locatedNear | village of Kirkfield ⓘ |
| locatedOn |
Trent–Severn canal system
ⓘ
linked to:
Trent–Severn Waterway
|
| manages | Parks Canada ⓘ |
| notableFor |
being one of the highest hydraulic lift locks in the world
ⓘ
concrete construction ⓘ hydraulic engineering design ⓘ |
| openTo |
pleasure craft
ⓘ
seasonal navigation ⓘ |
| operatedBy | Parks Canada ⓘ |
| partOf | Trent–Severn Waterway ⓘ |
| region |
central Ontario
ⓘ
linked to:
Central Ontario
|
| status | operational ⓘ |
| tourism | popular tourist attraction ⓘ |
| usedFor |
lowering boats
ⓘ
navigation on the Trent–Severn Waterway ⓘ raising boats ⓘ recreational boating traffic ⓘ |
| uses |
counterbalanced caissons
ⓘ
hydraulic rams ⓘ |
| 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: Kirkfield Lift Lock Description of subject: Kirkfield Lift Lock is a historic hydraulic boat lift in Ontario, Canada, known as one of the highest lift locks in the world and a key engineering feature of the Trent–Severn Waterway.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Kirkfield Lift Lock