Cameco Corporation
E382365
Cameco Corporation is one of the world’s largest publicly traded uranium producers, supplying fuel for nuclear power generation globally.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cameco Corporation canonical | 1 |
| Eldorado Nuclear Limited | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3703854 — 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: Cameco Corporation Context triple: [Saskatoon, hasCompanyHeadquarters, Cameco Corporation]
-
A.
Glencore
Glencore is a multinational commodity trading and mining company that operates extensive resource extraction and processing assets worldwide.
-
B.
Anglo American plc
Anglo American plc is a major multinational mining company headquartered in London, known for producing commodities such as diamonds, copper, platinum, and iron ore.
-
C.
BHP Group
BHP Group is one of the world’s largest diversified mining and resources companies, producing commodities such as iron ore, copper, coal, and nickel.
-
D.
Codelco
Codelco is Chile’s state-owned copper mining company and one of the world’s largest producers of copper.
-
E.
Kinross
Kinross is a small historic town in Perth and Kinross, Scotland, situated near Loch Leven and known as a gateway between central Scotland and the Highlands.
- 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: Cameco Corporation Target entity description: Cameco Corporation is one of the world’s largest publicly traded uranium producers, supplying fuel for nuclear power generation globally.
-
A.
Glencore
Glencore is a multinational commodity trading and mining company that operates extensive resource extraction and processing assets worldwide.
-
B.
Anglo American plc
Anglo American plc is a major multinational mining company headquartered in London, known for producing commodities such as diamonds, copper, platinum, and iron ore.
-
C.
BHP Group
BHP Group is one of the world’s largest diversified mining and resources companies, producing commodities such as iron ore, copper, coal, and nickel.
-
D.
Codelco
Codelco is Chile’s state-owned copper mining company and one of the world’s largest producers of copper.
-
E.
Kinross
Kinross is a small historic town in Perth and Kinross, Scotland, situated near Loch Leven and known as a gateway between central Scotland and the Highlands.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
nuclear fuel company
ⓘ
public company ⓘ uranium mining company ⓘ |
| country | Canada ⓘ |
| formedByMergerOf |
Cameco Corporation
self-linksurface differs
ⓘ
surface form:
Eldorado Nuclear Limited
Saskatchewan Mining Development Corporation ⓘ |
| foundedBy |
Canadian federal government (Ottawa)
ⓘ
surface form:
Government of Canada
Government of Saskatchewan ⓘ |
| fuelServicesInclude |
fuel fabrication
ⓘ
uranium conversion ⓘ uranium refining ⓘ |
| hasBusinessSegment |
fuel services
ⓘ
uranium ⓘ |
| hasFacilityIn |
Blind River, Ontario
ⓘ
surface form:
Blind River, Ontario, Canada
Port Hope ⓘ
surface form:
Port Hope, Ontario, Canada
|
| hasMiningOperationsIn |
Australia
ⓘ
Canada ⓘ Kazakhstan ⓘ United States of America ⓘ
surface form:
United States
|
| hasSubsidiary | Cameco Fuel Manufacturing ⓘ |
| headquartersLocation |
Saskatoon
ⓘ
surface form:
Saskatoon, Saskatchewan, Canada
|
| inception | 1988 ⓘ |
| industry |
energy
ⓘ
nuclear fuel supply ⓘ uranium mining ⓘ |
| isOneOfTheLargest | publicly traded uranium producers in the world ⓘ |
| isPubliclyTraded | true ⓘ |
| locatedIn |
Canada
ⓘ
Saskatchewan ⓘ |
| majorAsset |
Cigar Lake uranium mine
ⓘ
Inkai uranium project ⓘ Key Lake mill ⓘ McArthur River uranium mine ⓘ |
| primaryProduct | uranium ⓘ |
| regulatoryFilingStandard |
Canadian securities regulations
ⓘ
U.S. SEC reporting ⓘ |
| servesMarket | global nuclear power generation ⓘ |
| stockExchange |
New York Stock Exchange
ⓘ
Toronto Stock Exchange ⓘ |
| supplies |
nuclear fuel
ⓘ
nuclear power plants ⓘ uranium concentrate ⓘ |
| tickerSymbol |
CCJ
ⓘ
CCO ⓘ |
| tradesInCurrency |
Canadian dollar
ⓘ
US dollar ⓘ
surface form:
U.S. dollar
|
| website | https://www.cameco.com ⓘ |
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: Cameco Corporation Description of subject: Cameco Corporation is one of the world’s largest publicly traded uranium producers, supplying fuel for nuclear power generation globally.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Eldorado Nuclear Limited