Thames Barrier
E36676
The Thames Barrier is a large movable flood defense structure on the River Thames in London, designed to protect the city from tidal surges and flooding.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Thames Barrier canonical | 3 |
| Thames Barrier (downstream approaches) | 1 |
| Thames Barrier Information Centre | 1 |
| Thames Barrier system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T275016 — 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: Thames Barrier Context triple: [Thames, hasFloodBarrier, Thames Barrier]
-
A.
Manchester Ship Canal
The Manchester Ship Canal is a major 19th-century inland waterway in northwest England that enabled ocean-going ships to reach the industrial city of Manchester from the Irish Sea.
-
B.
Barton Swing Aqueduct
Barton Swing Aqueduct is a pioneering movable navigable aqueduct in Greater Manchester, England, that carries the Bridgewater Canal over the Manchester Ship Canal by swinging aside to allow large ships to pass.
-
C.
Long Bridge
Long Bridge is a major railroad bridge over the Potomac River in Washington, D.C., carrying freight and passenger trains between the District of Columbia and Virginia.
-
D.
Snake Dike
Snake Dike is a classic, runout slab and dike rock climbing route on the southwest face of Half Dome in Yosemite National Park.
-
E.
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.
- 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: Thames Barrier Target entity description: The Thames Barrier is a large movable flood defense structure on the River Thames in London, designed to protect the city from tidal surges and flooding.
-
A.
Manchester Ship Canal
The Manchester Ship Canal is a major 19th-century inland waterway in northwest England that enabled ocean-going ships to reach the industrial city of Manchester from the Irish Sea.
-
B.
Barton Swing Aqueduct
Barton Swing Aqueduct is a pioneering movable navigable aqueduct in Greater Manchester, England, that carries the Bridgewater Canal over the Manchester Ship Canal by swinging aside to allow large ships to pass.
-
C.
Long Bridge
Long Bridge is a major railroad bridge over the Potomac River in Washington, D.C., carrying freight and passenger trains between the District of Columbia and Virginia.
-
D.
Snake Dike
Snake Dike is a classic, runout slab and dike rock climbing route on the southwest face of Half Dome in Yosemite National Park.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
flood defence structure
ⓘ
infrastructure ⓘ movable flood barrier ⓘ |
| category |
buildings and structures in the London Borough of Newham
ⓘ
buildings and structures in the Royal Borough of Greenwich ⓘ flood barriers in the United Kingdom ⓘ |
| constructionCost | about £534 million (1982 prices) ⓘ |
| constructionStartDate | 1974 ⓘ |
| country | United Kingdom ⓘ |
| crosses |
Thames
ⓘ
surface form:
River Thames
|
| design | rising sector gates ⓘ |
| designedBy | Rendel, Palmer and Tritton ⓘ |
| designedToWithstand | 1 in 1000 year tidal surge event ⓘ |
| engineer |
Charles Stark Draper
ⓘ
surface form:
Charles Draper
|
| floodRiskAreaProtected |
City of London
ⓘ
London Docklands ⓘ
surface form:
Docklands
City of Westminster ⓘ
surface form:
Westminster
central London ⓘ |
| hasCoordinateLatitude | 51.495 ⓘ |
| hasCoordinateLongitude | 0.036 ⓘ |
| hasVisitorCentre |
Thames Barrier
self-linksurface differs
ⓘ
surface form:
Thames Barrier Information Centre
|
| heightAboveFoundation | about 20 metres ⓘ |
| length | about 520 metres ⓘ |
| locatedDownstreamOf | central London ⓘ |
| locatedIn |
England
ⓘ
London, England ⓘ
surface form:
London
United Kingdom ⓘ |
| locatedInDistrict |
London Borough of Newham
ⓘ
Royal Borough of Greenwich ⓘ |
| locatedOn |
Thames
ⓘ
surface form:
River Thames
|
| locatedUpstreamOf | Thames Estuary ⓘ |
| maintainedBy |
Environment Agency (England)
ⓘ
surface form:
Environment Agency
|
| material | steel ⓘ |
| namedAfter |
Thames
ⓘ
surface form:
River Thames
|
| near | Woolwich ⓘ |
| numberOfFallingRadialGates | 6 ⓘ |
| numberOfMainGates | 10 ⓘ |
| numberOfRisingSectorGates | 4 ⓘ |
| officialOpeningDate | 1984 ⓘ |
| openedBy |
Elizabeth II
ⓘ
surface form:
Queen Elizabeth II
|
| openingDate | 1982 ⓘ |
| operator |
Environment Agency (England)
ⓘ
surface form:
Environment Agency
|
| partOf |
Thames Estuary 2100 flood management plan
ⓘ
surface form:
Thames tidal flood defence system
|
| protects |
London, England
ⓘ
surface form:
London
areas along the River Thames ⓘ |
| purpose |
flood protection
ⓘ
protection from tidal surges ⓘ |
| status | operational ⓘ |
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: Thames Barrier Description of subject: The Thames Barrier is a large movable flood defense structure on the River Thames in London, designed to protect the city from tidal surges and flooding.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Thames Barrier (downstream approaches)
this entity surface form:
Thames Barrier Information Centre
this entity surface form:
Thames Barrier system