Kirkstead Lock
E136865
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kirkstead Lock canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1175756 — 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: Kirkstead Lock Context triple: [River Witham, hasLock, Kirkstead Lock]
-
A.
Barton Lock
Barton Lock is a lock on the Manchester Ship Canal that enables vessels to navigate changes in water level along this major industrial waterway in northwest England.
-
B.
Eastham Lock
Eastham Lock is a major lock complex at the entrance of the Manchester Ship Canal near the River Mersey, enabling sea-going vessels to access the inland waterway.
-
C.
Bardney Lock
Bardney Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
-
D.
Latchford Lock
Latchford Lock is a major lock on the Manchester Ship Canal in Warrington, England, enabling large vessels to navigate between the River Mersey and the inland port network.
-
E.
Brentford Lock
Brentford Lock is a historic canal lock and waterside area on the Grand Union Canal in Brentford, west London, known for its maritime heritage and regenerated residential and leisure developments.
- 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: Kirkstead Lock Target entity description: 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.
-
A.
Barton Lock
Barton Lock is a lock on the Manchester Ship Canal that enables vessels to navigate changes in water level along this major industrial waterway in northwest England.
-
B.
Eastham Lock
Eastham Lock is a major lock complex at the entrance of the Manchester Ship Canal near the River Mersey, enabling sea-going vessels to access the inland waterway.
-
C.
Bardney Lock
Bardney Lock is a navigation lock on the River Witham in Lincolnshire, England, used to manage water levels and enable boat passage along the river.
-
D.
Latchford Lock
Latchford Lock is a major lock on the Manchester Ship Canal in Warrington, England, enabling large vessels to navigate between the River Mersey and the inland port network.
-
E.
Brentford Lock
Brentford Lock is a historic canal lock and waterside area on the Grand Union Canal in Brentford, west London, known for its maritime heritage and regenerated residential and leisure developments.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
lock on a river
ⓘ
navigation lock ⓘ |
| country | England ⓘ |
| hasAccess | towpath access ⓘ |
| hasApproximateCoordinates | 53.151°N 0.259°W ⓘ |
| hasFunction |
enabling boat passage
ⓘ
water level management ⓘ |
| hasHeritage | part of historic River Witham navigation ⓘ |
| hasNearbyFeature |
footbridge
ⓘ
mooring facilities ⓘ weir ⓘ |
| hasStructureType | pound lock ⓘ |
| isInfrastructureType | waterway infrastructure ⓘ |
| locatedIn | Lincolnshire ⓘ |
| locatedInAdministrativeTerritory |
Borough of East Lindsey
ⓘ
surface form:
East Lindsey district
|
| locatedInRegion | East Midlands ⓘ |
| locatedNear |
Kirkstead
ⓘ
Woodhall Spa ⓘ |
| locatedOnWaterway | River Witham ⓘ |
| openToPublic | yes ⓘ |
| operatedBy | navigation authority on the River Witham ⓘ |
| partOf | River Witham navigation system ⓘ |
| usedBy |
narrowboats
ⓘ
pleasure craft ⓘ |
| usedFor |
flood control assistance
ⓘ
inland boating ⓘ navigation ⓘ |
| watercourse | River Witham ⓘ |
| waterwaySystem |
Witham Navigable Drains
ⓘ
surface form:
Witham Navigable Drains and River Witham system
|
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: Kirkstead Lock Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.