Chertsey Lock
E746235
Chertsey Lock is a lock on the River Thames in Surrey, England, used to manage river navigation and water levels near the town of Chertsey.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chertsey Lock canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8596163 — 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: Chertsey Lock Context triple: [Chertsey Bridge, near, Chertsey Lock]
-
A.
Teddington Lock
Teddington Lock is a major lock and weir complex on the River Thames in southwest London, marking the tidal limit of the river and serving as an important navigation and flood-control point.
-
B.
Shepperton Lock
Shepperton Lock is a lock on the River Thames in England, used to manage river navigation and water levels near the town of Shepperton.
-
C.
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.
-
D.
Molesey Lock
Molesey Lock is a lock on the River Thames in England, situated near East Molesey and used to manage river navigation and water levels.
-
E.
Hertford Lock
Hertford Lock is a navigation lock on the River Lea in Hertfordshire, England, used to manage water levels and enable boat passage along the waterway.
- 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: Chertsey Lock Target entity description: Chertsey Lock is a lock on the River Thames in Surrey, England, used to manage river navigation and water levels near the town of Chertsey.
-
A.
Teddington Lock
Teddington Lock is a major lock and weir complex on the River Thames in southwest London, marking the tidal limit of the river and serving as an important navigation and flood-control point.
-
B.
Shepperton Lock
Shepperton Lock is a lock on the River Thames in England, used to manage river navigation and water levels near the town of Shepperton.
-
C.
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.
-
D.
Molesey Lock
Molesey Lock is a lock on the River Thames in England, situated near East Molesey and used to manage river navigation and water levels.
-
E.
Hertford Lock
Hertford Lock is a navigation lock on the River Lea in Hertfordshire, England, used to manage water levels and enable boat passage along the waterway.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
lock
ⓘ
navigation lock ⓘ |
| country | England ⓘ |
| downstreamFrom | Penton Hook Lock NERFINISHED ⓘ |
| governingBody | Environment Agency Thames Region NERFINISHED ⓘ |
| hasAccess | towpath ⓘ |
| hasAssociatedFeature | lock island ⓘ |
| hasConstructionMaterial |
concrete
ⓘ
timber gates ⓘ |
| hasNavigationAuthority | Environment Agency NERFINISHED ⓘ |
| hasNearbyFeature |
Chertsey Meads
NERFINISHED
ⓘ
Laleham Park NERFINISHED ⓘ |
| hasPublicAccess | yes ⓘ |
| hasWeir | Chertsey Weir NERFINISHED ⓘ |
| historicalCounty | Middlesex (nearby bank) ⓘ |
| isPartOf | Thames lock and weir system NERFINISHED ⓘ |
| locatedIn | Surrey NERFINISHED ⓘ |
| locatedInRegion | South East England ⓘ |
| locatedNear |
Chertsey
NERFINISHED
ⓘ
Laleham NERFINISHED ⓘ |
| locatedOnWaterway | River Thames NERFINISHED ⓘ |
| locatedUpstreamOf | Chertsey Bridge NERFINISHED ⓘ |
| lockType | pound lock ⓘ |
| maintainedBy | Environment Agency NERFINISHED ⓘ |
| numberOfChambers | 1 ⓘ |
| opened | 1813 ⓘ |
| operatedBy | lock-keeper ⓘ |
| partOf | non-tidal River Thames ⓘ |
| reconstructed |
1864
ⓘ
1893 ⓘ |
| riverMile | 43 ⓘ |
| servesFunction |
flood management support
ⓘ
river navigation control ⓘ water level management ⓘ |
| towpathSide | right bank ⓘ |
| upstreamFrom | Shepperton Lock NERFINISHED ⓘ |
| usedFor |
commercial river traffic
ⓘ
recreational boating ⓘ |
| waterwaySection | reach between Penton Hook Lock and Shepperton Lock ⓘ |
| weirLocatedOn | right bank of the 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: Chertsey Lock Description of subject: Chertsey Lock is a lock on the River Thames in Surrey, England, used to manage river navigation and water levels near the town of Chertsey.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.