Richmond Lock and Weir
E371863
Richmond Lock and Weir is a late-19th-century half-tidal barrage and footbridge on the River Thames that helps regulate water levels between Richmond and Teddington.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Richmond Lock and Weir canonical | 4 |
| Richmond Lock | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3584514 — 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: Richmond Lock and Weir Context triple: [Richmond, Surrey, England, hasLandmark, Richmond Lock and Weir]
-
A.
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.
-
B.
Gloucester Lock
Gloucester Lock is a canal lock in the city of Gloucester, England, that connects the Gloucester and Sharpness Canal with the River Severn and manages navigation between them.
-
C.
Rosedale Lock
Rosedale Lock is a navigational lock on Ontario’s Trent–Severn Waterway that helps boats transition between different water levels along the canal system.
-
D.
Camden Lock
Camden Lock is a historic canal lock and bustling market area in Camden Town, London, known for its alternative culture, shops, and street food.
-
E.
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.
- 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: Richmond Lock and Weir Target entity description: Richmond Lock and Weir is a late-19th-century half-tidal barrage and footbridge on the River Thames that helps regulate water levels between Richmond and Teddington.
-
A.
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.
-
B.
Gloucester Lock
Gloucester Lock is a canal lock in the city of Gloucester, England, that connects the Gloucester and Sharpness Canal with the River Severn and manages navigation between them.
-
C.
Rosedale Lock
Rosedale Lock is a navigational lock on Ontario’s Trent–Severn Waterway that helps boats transition between different water levels along the canal system.
-
D.
Camden Lock
Camden Lock is a historic canal lock and bustling market area in Camden Town, London, known for its alternative culture, shops, and street food.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
barrage
ⓘ
footbridge ⓘ lock and weir ⓘ river infrastructure ⓘ |
| constructionStartDate | 1890 ⓘ |
| country | United Kingdom ⓘ |
| crosses |
Thames
ⓘ
surface form:
River Thames
|
| designedAs | half-tidal barrage ⓘ |
| hasAccess | public footpath ⓘ |
| hasFunction |
navigation lock
ⓘ
pedestrian crossing ⓘ weir ⓘ |
| hasHeritageStatus | Grade II listed structure ⓘ |
| hasMaterial |
concrete
ⓘ
masonry ⓘ steel ⓘ wrought iron ⓘ |
| hasNavigationAuthority |
Port of London
ⓘ
surface form:
Port of London Authority
|
| hasNumberOfLocks | 3 ⓘ |
| hasNumberOfWeirSpans | 3 ⓘ |
| hasPart |
Richmond Lock and Weir
self-linksurface differs
ⓘ
surface form:
Richmond Lock
Richmond Weir ⓘ footbridge ⓘ |
| heritageDesignation | Grade II listed building ⓘ |
| heritageRegister |
National Heritage List for England entry
ⓘ
surface form:
National Heritage List for England
|
| inception | 1894 ⓘ |
| isDownstreamOf | Teddington Lock ⓘ |
| isUpstreamOf |
Kew Bridge
NERFINISHED
ⓘ
Richmond Bridge NERFINISHED ⓘ |
| locatedIn |
England
ⓘ
London, England ⓘ
surface form:
London
Richmond upon Thames ⓘ United Kingdom ⓘ |
| locatedNear |
Isleworth
NERFINISHED
ⓘ
Old Deer Park ⓘ St Margarets ⓘ
surface form:
St Margarets, London
|
| locatedOn |
Thames
ⓘ
surface form:
River Thames
|
| maintainedBy |
Port of London
ⓘ
surface form:
Port of London Authority
|
| openingDate | 1894 ⓘ |
| operator |
Port of London
ⓘ
surface form:
Port of London Authority
|
| owner |
Port of London
ⓘ
surface form:
Port of London Authority
|
| partOf | Thames Path ⓘ |
| purpose |
control tidal flow
ⓘ
maintain navigable depth ⓘ regulate water levels ⓘ |
| regulatesWaterLevelBetween |
Richmond
ⓘ
Teddington NERFINISHED ⓘ |
| upstreamLimitOf | tideway of the River Thames ⓘ |
| watercourse |
Thames
ⓘ
surface form:
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: Richmond Lock and Weir Description of subject: Richmond Lock and Weir is a late-19th-century half-tidal barrage and footbridge on the River Thames that helps regulate water levels between Richmond and Teddington.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Richmond Lock