Dounreay
E920484
Dounreay is a remote site on the north coast of Scotland best known for its former fast-breeder nuclear reactor complex and associated decommissioning project.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Dounreay canonical | 1 |
| Dounreay Fast Reactor | 1 |
| Dounreay Site Restoration Limited | 1 |
| Dounreay area | 1 |
| Dounreay nuclear facility | 1 |
| Dounreay site | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11342113 — 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: Dounreay Context triple: [Thurso, near, Dounreay]
-
A.
Sellafield
Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
-
B.
Aviemore Power Station
Aviemore Power Station is a major hydroelectric power facility in New Zealand, located on the Waitaki River as part of the Waitaki hydroelectric scheme.
-
C.
Peterhead Power Station
Peterhead Power Station is a major gas-fired power plant in Aberdeenshire, Scotland, known for its role in electricity generation and as a site for developing low-carbon and carbon capture technologies.
-
D.
Glenbrittle
Glenbrittle is a small settlement on the Isle of Skye in Scotland, known as a base for exploring the nearby Cuillin mountains and the popular Fairy Pools.
-
E.
Seafield
Seafield is a small village in West Lothian, Scotland, known primarily as a residential community near the town of Livingston.
- 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: Dounreay Target entity description: Dounreay is a remote site on the north coast of Scotland best known for its former fast-breeder nuclear reactor complex and associated decommissioning project.
-
A.
Sellafield
Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
-
B.
Aviemore Power Station
Aviemore Power Station is a major hydroelectric power facility in New Zealand, located on the Waitaki River as part of the Waitaki hydroelectric scheme.
-
C.
Peterhead Power Station
Peterhead Power Station is a major gas-fired power plant in Aberdeenshire, Scotland, known for its role in electricity generation and as a site for developing low-carbon and carbon capture technologies.
-
D.
Glenbrittle
Glenbrittle is a small settlement on the Isle of Skye in Scotland, known as a base for exploring the nearby Cuillin mountains and the popular Fairy Pools.
-
E.
Seafield
Seafield is a small village in West Lothian, Scotland, known primarily as a residential community near the town of Livingston.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
former nuclear power research site
ⓘ
nuclear facility ⓘ |
| constructionStart | 1950s ⓘ |
| coolantUsed | liquid sodium ⓘ |
| country | United Kingdom ⓘ |
| decommissioningPlannedCompletion | mid-21st century ⓘ |
| decommissioningStart | 1990s ⓘ |
| DounreayFastReactorCriticality | 1959 ⓘ |
| DounreayFastReactorShutdown | 1977 ⓘ |
| employmentRole | major local employer in Caithness ⓘ |
| environmentalRegulator | Scottish Environment Protection Agency ⓘ |
| firstReactorCriticality | 1959 ⓘ |
| fuelTypeUsed | plutonium-uranium mixed oxide fuel ⓘ |
| gridConnection | connected to UK electricity grid during operation ⓘ |
| hasFacility |
Dounreay Fast Reactor
ⓘ
linked to:
Dounreay
Materials Test Reactor ⓘ Prototype Fast Reactor ⓘ fuel reprocessing plant ⓘ intermediate level waste silo ⓘ low level waste disposal facilities ⓘ waste shaft ⓘ |
| hasIssue |
historic waste management problems
ⓘ
radioactive contamination ⓘ |
| knownFor |
fast breeder reactor research
ⓘ
nuclear decommissioning project ⓘ |
| laterManagedBy |
Cavendish Dounreay Partnership
ⓘ
Dounreay Site Restoration Limited ⓘ
linked to:
Dounreay
|
| locatedIn |
Highland
ⓘ
Scotland ⓘ |
| locatedOnCoastOf | north coast of Scotland ⓘ |
| managedBy |
UK Atomic Energy Authority
ⓘ
linked to:
United Kingdom Atomic Energy Authority
|
| near |
Thurso
ⓘ
village of Buldoo ⓘ |
| notableIncident |
1958 sodium-potassium alloy explosion in waste disposal shaft
ⓘ
1998 discovery of radioactive particles on local beaches ⓘ |
| ownedBy | Nuclear Decommissioning Authority ⓘ |
| primaryPurpose | experimental fast breeder reactor development ⓘ |
| PrototypeFastReactorCriticality | 1974 ⓘ |
| PrototypeFastReactorShutdown | 1994 ⓘ |
| reactorTypeTested | sodium-cooled fast breeder reactor ⓘ |
| region | Caithness ⓘ |
| regulator | Office for Nuclear Regulation ⓘ |
| researchFocus |
fast neutron physics
ⓘ
fuel cycle development ⓘ reactor materials testing ⓘ |
| secondaryPurpose | nuclear fuel reprocessing ⓘ |
| siteSelectionYear | 1954 ⓘ |
| status | in decommissioning ⓘ |
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: Dounreay Description of subject: Dounreay is a remote site on the north coast of Scotland best known for its former fast-breeder nuclear reactor complex and associated decommissioning project.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Thurso, Caithness, Scotland
linked to: Dounreay
linked to: Dounreay
linked to: Dounreay
linked to: Dounreay
linked to: Dounreay