Bell Weir Lock
E653515
Bell Weir Lock is a lock on the River Thames in England, situated near Egham and used to manage river navigation and water levels.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bell Weir Lock canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7287309 — 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: Bell Weir Lock Context triple: [Old Windsor Lock, locatedUpstreamOf, Bell Weir Lock]
-
A.
Drumbridge Lock
Drumbridge Lock is a historic canal lock on the River Lagan in Northern Ireland, situated within the scenic Lagan Valley Regional Park and associated with the region’s industrial and navigation heritage.
-
B.
Gladstone Lock
Gladstone Lock is a major ship lock within the Port of Liverpool that enables large vessels to access the port’s dock system from the River Mersey.
-
C.
Hoe Mill Lock
Hoe Mill Lock is a canal lock on the River Chelmer in Essex, England, used to manage water levels and enable boat navigation along the waterway.
-
D.
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.
-
E.
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.
- 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: Bell Weir Lock Target entity description: Bell Weir Lock is a lock on the River Thames in England, situated near Egham and used to manage river navigation and water levels.
-
A.
Drumbridge Lock
Drumbridge Lock is a historic canal lock on the River Lagan in Northern Ireland, situated within the scenic Lagan Valley Regional Park and associated with the region’s industrial and navigation heritage.
-
B.
Gladstone Lock
Gladstone Lock is a major ship lock within the Port of Liverpool that enables large vessels to access the port’s dock system from the River Mersey.
-
C.
Hoe Mill Lock
Hoe Mill Lock is a canal lock on the River Chelmer in Essex, England, used to manage water levels and enable boat navigation along the waterway.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
lock
ⓘ
navigation lock ⓘ |
| country | England ⓘ |
| downstreamFrom | Old Windsor Lock ⓘ |
| hasAdjacentFeature | Bell Weir ⓘ |
| hasFeature | weir ⓘ |
| hasFunction | regulate river flow ⓘ |
| hasStructure |
lock chamber
ⓘ
sluices ⓘ |
| hasUse |
recreational boating
ⓘ
river traffic control ⓘ |
| locatedIn |
Egham
ⓘ
Runnymede ⓘ Surrey ⓘ |
| locatedOn | left bank of River Thames ⓘ |
| maintainedBy |
Environment Agency
ⓘ
linked to:
Environment Agency (England)
|
| namedAfter | Bell Weir ⓘ |
| near |
Egham Hythe
ⓘ
linked to:
Egham
M25 motorway ⓘ Runnymede Meadows ⓘ
linked to:
Runnymede meadow
Staines-upon-Thames ⓘ |
| opened | 1817 ⓘ |
| partOf |
Thames navigation system
ⓘ
linked to:
Thames Navigation
|
| purpose |
control water levels
ⓘ
manage river navigation ⓘ |
| reconstructed | early 20th century ⓘ |
| region | South East England ⓘ |
| river |
River Thames
ⓘ
linked to:
Thames
|
| upstreamFrom | Penton Hook Lock ⓘ |
| waterway | non-tidal River Thames ⓘ |
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: Bell Weir Lock Description of subject: Bell Weir Lock is a lock on the River Thames in England, situated near Egham and used to manage river navigation and water levels.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.