Keystone
E558439
Keystone is a small tourist town in South Dakota’s Black Hills, best known as the gateway community to Mount Rushmore National Memorial.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Keystone canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5966324 — 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: Keystone Context triple: [Black Hills, hasTown, Keystone]
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A.
Keystone
Keystone is a small town located in McDowell County, West Virginia, historically associated with the region’s coal mining industry.
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B.
Keystone, Colorado
Keystone, Colorado is a mountain community in Summit County known primarily as the base village and service hub for the nearby Keystone Resort ski area.
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C.
Kimball
Kimball is the northern terminal station of Chicago's CTA Brown Line, serving the Albany Park neighborhood with rail connections to downtown.
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D.
Kimball
Kimball is a small town located in McDowell County in the southern part of West Virginia, historically tied to the coal mining industry.
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E.
Northstar
Northstar is a commuter rail service in Minnesota that connects downtown Minneapolis with its northwestern suburbs and exurban communities.
- 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: Keystone Target entity description: Keystone is a small tourist town in South Dakota’s Black Hills, best known as the gateway community to Mount Rushmore National Memorial.
-
A.
Keystone
Keystone is a small town located in McDowell County, West Virginia, historically associated with the region’s coal mining industry.
-
B.
Keystone, Colorado
Keystone, Colorado is a mountain community in Summit County known primarily as the base village and service hub for the nearby Keystone Resort ski area.
-
C.
Kimball
Kimball is the northern terminal station of Chicago's CTA Brown Line, serving the Albany Park neighborhood with rail connections to downtown.
-
D.
Kimball
Kimball is a small town located in McDowell County in the southern part of West Virginia, historically tied to the coal mining industry.
-
E.
Northstar
Northstar is a commuter rail service in Minnesota that connects downtown Minneapolis with its northwestern suburbs and exurban communities.
- F. None of above. chosen
Statements (30)
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: Keystone Description of subject: Keystone is a small tourist town in South Dakota’s Black Hills, best known as the gateway community to Mount Rushmore National Memorial.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.