Derwent Reservoir
E116312
Derwent Reservoir is a large man-made lake in Derbyshire, England, best known for its scenic surroundings in the Peak District and its historical association with the World War II "Dambusters" training flights.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Derwent Reservoir canonical | 4 |
| Derwent Valley Reservoirs | 2 |
| Derwent Reservoir (Derbyshire) | 1 |
| Derwent Reservoir circular walk | 1 |
| Howden Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T962890 — 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: Derwent Reservoir Context triple: [Derbyshire, containsWaterBody, Derwent Reservoir]
-
A.
Ladybower Reservoir
Ladybower Reservoir is a large Y-shaped drinking-water reservoir in the Upper Derwent Valley of Derbyshire, England, known for its distinctive plughole spillways and surrounding Peak District scenery.
-
B.
Dovestones Reservoir
Dovestones Reservoir is a scenic man-made lake in the Peak District near Oldham, England, popular for walking, wildlife, and outdoor recreation.
-
C.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
D.
Bog Brook Reservoir
Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
-
E.
Coniston Water
Coniston Water is a scenic lake in England’s Lake District, known for its dramatic surrounding fells, boating, and literary and historical associations.
- 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: Derwent Reservoir Target entity description: Derwent Reservoir is a large man-made lake in Derbyshire, England, best known for its scenic surroundings in the Peak District and its historical association with the World War II "Dambusters" training flights.
-
A.
Ladybower Reservoir
Ladybower Reservoir is a large Y-shaped drinking-water reservoir in the Upper Derwent Valley of Derbyshire, England, known for its distinctive plughole spillways and surrounding Peak District scenery.
-
B.
Dovestones Reservoir
Dovestones Reservoir is a scenic man-made lake in the Peak District near Oldham, England, popular for walking, wildlife, and outdoor recreation.
-
C.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
D.
Bog Brook Reservoir
Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
-
E.
Coniston Water
Coniston Water is a scenic lake in England’s Lake District, known for its dramatic surrounding fells, boating, and literary and historical associations.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
man-made lake
ⓘ
reservoir ⓘ |
| basinCountry | United Kingdom ⓘ |
| constructionStart | early 20th century ⓘ |
| country | England ⓘ |
| hasAccess |
car parks
ⓘ
perimeter road ⓘ |
| hasActivity |
birdwatching
ⓘ
cycling ⓘ fishing ⓘ sailing ⓘ walking ⓘ |
| hasDesignation | part of a protected landscape ⓘ |
| hasEcosystem |
coniferous plantations nearby
ⓘ
upland moorland surroundings ⓘ |
| hasFeature |
Derwent Dam
ⓘ
Howden Dam ⓘ Ladybower Reservoir nearby ⓘ |
| hasFilmAssociation | The Dam Busters (1955 film) ⓘ |
| hasHistoricalAssociation |
Operation Chastise practice
ⓘ
RAF 617 Squadron ⓘ |
| hasNearbyLandmark |
Derwent Dam
ⓘ
surface form:
Derwent Valley dams
|
| hasNearbyVillage | Derwent (submerged village) ⓘ |
| hasRecreationRoute |
Derwent Reservoir
self-linksurface differs
ⓘ
surface form:
Derwent Reservoir circular walk
|
| hasStructure | stone-built dam walls ⓘ |
| hasView | surrounding gritstone edges ⓘ |
| hasWildlife |
wading birds
ⓘ
waterfowl ⓘ |
| impact | submergence of former settlements ⓘ |
| knownFor |
Dambusters training flights
ⓘ
scenic surroundings ⓘ |
| locatedIn |
Derbyshire
ⓘ
Upper Derwent Valley ⓘ
surface form:
Derwent Valley
Peak District ⓘ Peak District ⓘ
surface form:
Peak District National Park
|
| locatedOn | River Derwent ⓘ |
| nearestCity | Sheffield ⓘ |
| nearestTown | Bamford ⓘ |
| operator | Severn Trent Water ⓘ |
| partOf |
Derwent Reservoir
self-linksurface differs
ⓘ
surface form:
Derwent Valley Reservoirs
|
| region | East Midlands ⓘ |
| tourism | popular visitor attraction ⓘ |
| usedFor |
flood control
ⓘ
recreation ⓘ water supply ⓘ |
| waterSourceFor |
Derby
ⓘ
Leicester ⓘ Nottingham ⓘ |
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: Derwent Reservoir Description of subject: Derwent Reservoir is a large man-made lake in Derbyshire, England, best known for its scenic surroundings in the Peak District and its historical association with the World War II "Dambusters" training flights.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Howden Reservoir
subject surface form:
River Derwent (Derbyshire)
this entity surface form:
Derwent Reservoir (Derbyshire)
this entity surface form:
Derwent Valley Reservoirs
this entity surface form:
Derwent Valley Reservoirs
this entity surface form:
Derwent Reservoir circular walk