Johnson’s Lock
E625574
Johnson’s Lock is a canal lock on Regent’s Canal in London, used to raise and lower boats along the waterway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Johnson’s Lock canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6865911 — 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: Johnson’s Lock Context triple: [Regent’s Canal, hasStructure, Johnson’s Lock]
-
A.
Wheeler Lock
Wheeler Lock is a navigation lock on the Tennessee River in northern Alabama that helps vessels bypass Wheeler Dam as part of the Tennessee Valley Authority’s waterway system.
-
B.
Holmes Lock
Holmes Lock is a canal lock on the Sheffield and South Yorkshire Navigation in South Yorkshire, England, used to raise and lower boats between different water levels.
-
C.
Nickajack Lock
Nickajack Lock is a navigation lock on the Tennessee River in Tennessee that helps manage river traffic and water levels as part of the Tennessee Valley Authority system.
-
D.
Ickles Lock
Ickles Lock is a canal lock on the Sheffield and South Yorkshire Navigation in South Yorkshire, England, used to raise and lower boats between different water levels.
-
E.
Wilson Lock
Wilson Lock is a major navigation lock on the Tennessee River in Alabama that facilitates river traffic around Wilson Dam as part of the Tennessee Valley Authority system.
- 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: Johnson’s Lock Target entity description: Johnson’s Lock is a canal lock on Regent’s Canal in London, used to raise and lower boats along the waterway.
-
A.
Wheeler Lock
Wheeler Lock is a navigation lock on the Tennessee River in northern Alabama that helps vessels bypass Wheeler Dam as part of the Tennessee Valley Authority’s waterway system.
-
B.
Holmes Lock
Holmes Lock is a canal lock on the Sheffield and South Yorkshire Navigation in South Yorkshire, England, used to raise and lower boats between different water levels.
-
C.
Nickajack Lock
Nickajack Lock is a navigation lock on the Tennessee River in Tennessee that helps manage river traffic and water levels as part of the Tennessee Valley Authority system.
-
D.
Ickles Lock
Ickles Lock is a canal lock on the Sheffield and South Yorkshire Navigation in South Yorkshire, England, used to raise and lower boats between different water levels.
-
E.
Wilson Lock
Wilson Lock is a major navigation lock on the Tennessee River in Alabama that facilitates river traffic around Wilson Dam as part of the Tennessee Valley Authority system.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
canal lock
ⓘ
structure ⓘ |
| country | United Kingdom ⓘ |
| hasAccess | towpath ⓘ |
| hasCity |
London
ⓘ
linked to:
London, England
|
| hasFunction | change of water level for vessels ⓘ |
| hasInfrastructureType | navigation lock ⓘ |
| hasMedium | freshwater ⓘ |
| hasPurpose | maintaining navigable depth and levels on Regent’s Canal ⓘ |
| hasRegion | Greater London ⓘ |
| isPartOf | British canal network ⓘ |
| locatedIn |
England
ⓘ
London ⓘ
linked to:
London, England
Regent’s Canal corridor in London ⓘ
linked to:
Regent’s Canal
United Kingdom ⓘ |
| locatedOn | Regent’s Canal ⓘ |
| openTo | boat traffic ⓘ |
| partOf |
Regent’s Canal lock system
ⓘ
linked to:
Regent's Canal lock system
|
| transportMode | inland waterway transport ⓘ |
| usedFor |
lowering boats
ⓘ
navigation on Regent’s Canal ⓘ raising boats ⓘ |
| watercraft |
canal boats
ⓘ
narrowboats ⓘ |
| waterwayType | 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: Johnson’s Lock Description of subject: Johnson’s Lock is a canal lock on Regent’s Canal in London, used to raise and lower boats along the waterway.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.