Cobalt, Ontario
E933943
Cobalt, Ontario is a small historic town in northeastern Ontario, Canada, best known for its early 20th-century silver mining boom and well-preserved mining heritage.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cobalt, Ontario canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11568934 — 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: Cobalt, Ontario Context triple: [Haileybury, locatedNear, Cobalt, Ontario]
-
A.
Cochrane, Ontario
Cochrane, Ontario is a small town in northeastern Ontario, Canada, known as a regional service center and gateway to the James Bay frontier.
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B.
Coburg, Ontario
Coburg, Ontario is a community in Canada that shares a twinning relationship with the town of Coburg.
-
C.
Caledonia, Ontario
Caledonia, Ontario is a community on the Grand River in southern Ontario known for its historic bridges, small-town character, and role as the primary population centre of Haldimand County.
-
D.
Rockwood, Ontario
Rockwood, Ontario is a small village in Wellington County known for its scenic limestone cliffs, caves, and the nearby Rockwood Conservation Area along the Eramosa River.
-
E.
Galt, Ontario
Galt, Ontario was a historic town in southern Ontario that later became one of the constituent communities of the city of Cambridge.
- 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: Cobalt, Ontario Target entity description: Cobalt, Ontario is a small historic town in northeastern Ontario, Canada, best known for its early 20th-century silver mining boom and well-preserved mining heritage.
-
A.
Cochrane, Ontario
Cochrane, Ontario is a small town in northeastern Ontario, Canada, known as a regional service center and gateway to the James Bay frontier.
-
B.
Coburg, Ontario
Coburg, Ontario is a community in Canada that shares a twinning relationship with the town of Coburg.
-
C.
Caledonia, Ontario
Caledonia, Ontario is a community on the Grand River in southern Ontario known for its historic bridges, small-town character, and role as the primary population centre of Haldimand County.
-
D.
Rockwood, Ontario
Rockwood, Ontario is a small village in Wellington County known for its scenic limestone cliffs, caves, and the nearby Rockwood Conservation Area along the Eramosa River.
-
E.
Galt, Ontario
Galt, Ontario was a historic town in southern Ontario that later became one of the constituent communities of the city of Cambridge.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
municipality
ⓘ
populated place ⓘ town ⓘ |
| category |
Company towns in Canada
ⓘ
Mining communities in Ontario ⓘ Single-industry communities in Canada ⓘ |
| climate | humid continental climate ⓘ |
| country | Canada ⓘ |
| discoveryOfResource | rich silver deposits in early 1900s ⓘ |
| geology | Precambrian rock formations ⓘ |
| governingBody | Town of Cobalt Council NERFINISHED ⓘ |
| hasAreaCode |
249
ⓘ
705 ⓘ |
| hasAttraction |
Heritage Silver Trail
NERFINISHED
ⓘ
historic downtown core ⓘ mine site tours ⓘ |
| hasCulturalTheme | mining history preservation ⓘ |
| hasHeritage |
abandoned mine workings
ⓘ
historic headframes ⓘ historic mine buildings ⓘ well-preserved mining infrastructure ⓘ |
| hasIndustry |
heritage tourism
ⓘ
small-scale mining-related services ⓘ tourism ⓘ |
| hasMuseum | Cobalt Mining Museum NERFINISHED ⓘ |
| hasPostalCodePrefix | P0J ⓘ |
| hasTrail | walking tours of historic mine sites ⓘ |
| hasTransportation | Ontario Northland Railway service (historically significant) ⓘ |
| heritageDesignation | National Historic Site of Canada (Cobalt Mining District) NERFINISHED ⓘ |
| knownFor |
Cobalt silver rush
NERFINISHED
ⓘ
early 20th-century mining boom ⓘ historic mine sites ⓘ mining heritage ⓘ silver mining ⓘ |
| locatedIn | Canadian Shield NERFINISHED ⓘ |
| locatedInAdministrativeEntity | Timiskaming District NERFINISHED ⓘ |
| locatedOn | northeastern shore of Lake Timiskaming ⓘ |
| namedAfter | cobalt (chemical element) ⓘ |
| near | Temiskaming Shores, Ontario NERFINISHED ⓘ |
| officialLanguage | English ⓘ |
| partOf | historic Cobalt Mining District NERFINISHED ⓘ |
| peakMiningPeriod | early 20th century ⓘ |
| primaryEconomicHistory | silver mining ⓘ |
| province | Ontario ⓘ |
| region | Northeastern Ontario NERFINISHED ⓘ |
| silverRushStart | 1903 ⓘ |
| timeZone | Eastern Time Zone ⓘ |
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: Cobalt, Ontario Description of subject: Cobalt, Ontario is a small historic town in northeastern Ontario, Canada, best known for its early 20th-century silver mining boom and well-preserved mining heritage.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.