Foss Barrier
E664296
The Foss Barrier is a flood defense structure in York, England, designed to control water levels where the River Foss meets the River Ouse and protect the city from flooding.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Foss Barrier canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7432605 — 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: Foss Barrier Context triple: [River Foss, crosses, Foss Barrier]
-
A.
Wheeler Rock
Wheeler Rock is a small islet located near Ball's Pyramid, a remote volcanic sea stack in the Pacific Ocean off Australia’s east coast.
-
B.
Colville Ridge
Colville Ridge is a submarine volcanic ridge located off the coast of New Zealand, forming part of the tectonically active Kermadec–Taupō volcanic region.
-
C.
Brace Rock
Brace Rock is a prominent coastal rock formation off Eastern Point in Gloucester, Massachusetts, known as a navigational landmark for local mariners.
-
D.
Mole Gap
Mole Gap is a scenic, narrow river valley in Surrey, England, known for its chalk landscape, woodlands, and role as a key natural corridor through the North Downs.
-
E.
Barnard Gap
Barnard Gap is a narrow, named gap within Saturn’s ring system located inside the broader Cassini Division.
- 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: Foss Barrier Target entity description: The Foss Barrier is a flood defense structure in York, England, designed to control water levels where the River Foss meets the River Ouse and protect the city from flooding.
-
A.
Wheeler Rock
Wheeler Rock is a small islet located near Ball's Pyramid, a remote volcanic sea stack in the Pacific Ocean off Australia’s east coast.
-
B.
Colville Ridge
Colville Ridge is a submarine volcanic ridge located off the coast of New Zealand, forming part of the tectonically active Kermadec–Taupō volcanic region.
-
C.
Brace Rock
Brace Rock is a prominent coastal rock formation off Eastern Point in Gloucester, Massachusetts, known as a navigational landmark for local mariners.
-
D.
Mole Gap
Mole Gap is a scenic, narrow river valley in Surrey, England, known for its chalk landscape, woodlands, and role as a key natural corridor through the North Downs.
-
E.
Barnard Gap
Barnard Gap is a narrow, named gap within Saturn’s ring system located inside the broader Cassini Division.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
flood barrier
ⓘ
flood defence structure ⓘ |
| category |
Buildings and structures in York
ⓘ
Flood barriers in England ⓘ Flood control infrastructure in the United Kingdom ⓘ |
| constructionStart | 1980 ⓘ |
| country | United Kingdom ⓘ |
| designedFor | urban flood protection ⓘ |
| engineeringDiscipline | hydraulic engineering ⓘ |
| floodEventAssociatedWith | 2015–2016 Yorkshire floods ⓘ |
| hasControlSystem |
automated gate control
ⓘ
pumping control system ⓘ |
| hasFunction |
to isolate River Foss from high levels in River Ouse
ⓘ
to pump water from River Foss into River Ouse when barrier is closed ⓘ |
| hasPart |
control building
ⓘ
pumping station ⓘ sluice gate ⓘ vertical lift gate ⓘ |
| inception | 1980s ⓘ |
| jurisdiction | Environment Agency Yorkshire area NERFINISHED ⓘ |
| locatedAt | mouth of the River Foss ⓘ |
| locatedDownstreamOf | inner sections of River Foss ⓘ |
| locatedIn |
England
ⓘ
North Yorkshire ⓘ York NERFINISHED ⓘ |
| locatedInBasinCountry | United Kingdom NERFINISHED ⓘ |
| locatedInUrbanArea | central York ⓘ |
| locatedNearRiver | River Ouse NERFINISHED ⓘ |
| locatedOnRiver | River Foss NERFINISHED ⓘ |
| maintainedBy | Environment Agency NERFINISHED ⓘ |
| managesWaterLevelsAt | confluence of River Foss and River Ouse ⓘ |
| material |
concrete
ⓘ
steel ⓘ |
| nearbyLandmark |
Clifford's Tower
NERFINISHED
ⓘ
York city walls NERFINISHED ⓘ |
| operator | Environment Agency NERFINISHED ⓘ |
| ownedBy | Environment Agency NERFINISHED ⓘ |
| partOf | York flood defences ⓘ |
| protects |
York city centre
NERFINISHED
ⓘ
properties along the River Foss ⓘ |
| purpose |
flood control
ⓘ
protection of York from flooding ⓘ |
| riskAddressed |
backflow from River Ouse into River Foss
ⓘ
fluvial flooding ⓘ |
| riverControlled | River Foss NERFINISHED ⓘ |
| status | operational ⓘ |
| underwentUpgradeAfter | 2015–2016 Yorkshire floods ⓘ |
| usedDuring |
flood warnings for River Foss
ⓘ
high river level events on River Ouse ⓘ |
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: Foss Barrier Description of subject: The Foss Barrier is a flood defense structure in York, England, designed to control water levels where the River Foss meets the River Ouse and protect the city from flooding.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.