Cheddar Yeo River (underground sections)
E726633
The Cheddar Yeo River (underground sections) is a subterranean watercourse flowing beneath Cheddar Gorge in Somerset, England, feeding the gorge’s caves and emerging as a key source of local spring water.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cheddar Yeo River (underground sections) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8323350 — 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: Cheddar Yeo River (underground sections) Context triple: [Cheddar Gorge, contains, Cheddar Yeo River (underground sections)]
-
A.
Greywell Tunnel
Greywell Tunnel is a disused, bat-inhabited canal tunnel in Hampshire, England, notable as the former western terminus of the Basingstoke Canal and a protected wildlife site.
-
B.
Cosgrove Tunnel
Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
-
C.
Butterley Tunnel
Butterley Tunnel is a historic 18th-century canal tunnel in Derbyshire, England, renowned as a major engineering work of the early British canal era.
-
D.
Wadhurst Tunnel
Wadhurst Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line beneath the countryside near the village of Wadhurst.
-
E.
Ramsgate Tunnels
Ramsgate Tunnels are a historic network of former railway and air-raid shelter tunnels in Ramsgate, Kent, now preserved as a visitor attraction highlighting the town’s World War II heritage.
- 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: Cheddar Yeo River (underground sections) Target entity description: The Cheddar Yeo River (underground sections) is a subterranean watercourse flowing beneath Cheddar Gorge in Somerset, England, feeding the gorge’s caves and emerging as a key source of local spring water.
-
A.
Greywell Tunnel
Greywell Tunnel is a disused, bat-inhabited canal tunnel in Hampshire, England, notable as the former western terminus of the Basingstoke Canal and a protected wildlife site.
-
B.
Cosgrove Tunnel
Cosgrove Tunnel is a major water-supply conduit in Massachusetts that carries drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
-
C.
Butterley Tunnel
Butterley Tunnel is a historic 18th-century canal tunnel in Derbyshire, England, renowned as a major engineering work of the early British canal era.
-
D.
Wadhurst Tunnel
Wadhurst Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line beneath the countryside near the village of Wadhurst.
-
E.
Ramsgate Tunnels
Ramsgate Tunnels are a historic network of former railway and air-raid shelter tunnels in Ramsgate, Kent, now preserved as a visitor attraction highlighting the town’s World War II heritage.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
karst watercourse
ⓘ
subterranean river ⓘ |
| associatedWith |
Cheddar Gorge caves
ⓘ
Cheddar village ⓘ |
| contributesTo |
Cheddar Gorge hydrogeology
ⓘ
local drinking water resources ⓘ |
| country | England ⓘ |
| drainageBasin | Cheddar Gorge catchment ⓘ |
| emergencePoint | springs at the base of Cheddar Gorge ⓘ |
| emergesAs | spring water in Cheddar Gorge ⓘ |
| environmentType | subterranean freshwater ecosystem ⓘ |
| erosionalRole | cave enlargement in Cheddar Gorge limestone ⓘ |
| feeds |
Cox’s Cave
ⓘ
linked to:
Cox's Cave
Gough’s Cave ⓘ
linked to:
Gough's Cave
cave system of Cheddar Gorge ⓘ |
| flowsBeneath | Cheddar Gorge ⓘ |
| flowsThrough | cavern passages beneath Cheddar Gorge ⓘ |
| flowsTowards | surface course of the Cheddar Yeo ⓘ |
| forms |
subterranean pools
ⓘ
underground channels ⓘ |
| geologicalSetting |
karst terrain
ⓘ
limestone ⓘ |
| hasNameOrigin | Cheddar Yeo River ⓘ |
| hydrologicalConnection |
Cheddar Gorge springs
ⓘ
linked to:
Cheddar Gorge
surface Cheddar Yeo River ⓘ |
| hydrologicalRole | primary feeder of Cheddar Gorge springs ⓘ |
| hydrologicalSystem | Cheddar Yeo River ⓘ |
| knownFor | flow beneath show caves of Cheddar Gorge ⓘ |
| locatedIn |
Cheddar Gorge
ⓘ
Cheddar civil parish ⓘ
linked to:
Cheddar, Somerset
Somerset ⓘ South West England ⓘ
linked to:
southwest England
United Kingdom ⓘ |
| locatedNear | Cheddar Reservoir ⓘ |
| locatedUnder |
Cheddar Gorge cliffs
ⓘ
linked to:
Cheddar Gorge
|
| partOf |
Cheddar Gorge cave network
ⓘ
linked to:
Cheddar Gorge caves
Cheddar Yeo River ⓘ hydrological system of the Mendip Hills ⓘ |
| region | Mendip Hills ⓘ |
| sourceFor | local spring water supply ⓘ |
| supports | cave-adapted aquatic fauna ⓘ |
| watercourseType | subterranean stream ⓘ |
| waterSource | infiltrated rainfall on Mendip Hills ⓘ |
| waterType | freshwater ⓘ |
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: Cheddar Yeo River (underground sections) Description of subject: The Cheddar Yeo River (underground sections) is a subterranean watercourse flowing beneath Cheddar Gorge in Somerset, England, feeding the gorge’s caves and emerging as a key source of local spring water.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.