Teddington Lock
E496147
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Teddington Lock canonical | 7 |
| Teddington Lock on the River Thames | 1 |
| Teddington Weir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5118699 — 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: Teddington Lock Context triple: [Teddington, hasLandmark, Teddington Lock]
-
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.
Iffley Lock
Iffley Lock is a historic lock and weir on the River Thames near Oxford, England, known for its picturesque setting and traditional stone lock-keeper’s cottage.
-
C.
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.
-
D.
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.
-
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: Teddington Lock Target entity description: 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.
-
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.
Iffley Lock
Iffley Lock is a historic lock and weir on the River Thames near Oxford, England, known for its picturesque setting and traditional stone lock-keeper’s cottage.
-
C.
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.
-
D.
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.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
lock and weir complex
ⓘ
navigation lock ⓘ weir ⓘ |
| constructionStarted | 1810 ⓘ |
| country |
England
ⓘ
United Kingdom ⓘ |
| crossedBy | Teddington Lock Footbridges ⓘ |
| distanceFromTeddingtonRailwayStation | about 1 mile ⓘ |
| downstreamOf | Richmond Lock and Weir ⓘ |
| function |
flood control
ⓘ
navigation control ⓘ separates tidal and non-tidal Thames ⓘ water level regulation ⓘ |
| governingBody |
Environment Agency Thames Region
ⓘ
linked to:
Environment Agency (England)
|
| hasChamber |
large barge lock chamber
ⓘ
skiff lock chamber ⓘ smaller launch lock chamber ⓘ |
| hasComponent |
barge lock
ⓘ
footbridge ⓘ lock island ⓘ main lock ⓘ skiff lock ⓘ weir ⓘ weir island ⓘ |
| hasHeritageStatus | Grade II listed structure ⓘ |
| hasNearbyFeature |
Teddington Weir
ⓘ
linked to:
Teddington Lock
Thames Path ⓘ |
| hasPublicAccess | yes ⓘ |
| locatedDownstreamOfNonTidalThames | tidal Thames ⓘ |
| locatedIn |
London Borough of Richmond upon Thames
ⓘ
Teddington ⓘ southwest London ⓘ |
| locatedOn |
River Thames
ⓘ
linked to:
Thames
|
| locatedUpstreamOfTidalThames | non-tidal Thames ⓘ |
| maintainedBy |
Environment Agency
ⓘ
linked to:
Environment Agency (England)
|
| near |
Ham
ⓘ
Teddington Studios site ⓘ
linked to:
Teddington Studios, London
Twickenham ⓘ |
| numberOfChambers | 3 ⓘ |
| opened | 1811 ⓘ |
| originallyBuiltBy |
City of London Corporation
ⓘ
linked to:
Corporation of London
|
| partOf |
River Thames navigation system
ⓘ
linked to:
River Thames system
|
| positionRelativeToTide | marks the normal tidal limit of the River Thames ⓘ |
| riverKilometre | 30.6 km above London Bridge ⓘ |
| upstreamOf |
Kingston upon Thames
ⓘ
linked to:
Kingston upon Thames (historically)
|
| usedFor |
commercial river traffic
ⓘ
recreational boating ⓘ rowing activities ⓘ |
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: Teddington Lock Description of subject: 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.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Teddington Lock
linked to: Teddington Lock