Boulder, Colorado
E53190
Boulder, Colorado is a city at the foothills of the Rocky Mountains known for its research institutions, outdoor recreation, and vibrant university community.
All labels observed (13)
How this entity was disambiguated
This entity first appeared as the object of triple T402073 — 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: Boulder, Colorado Context triple: [Earth System Research Laboratories, locatedIn, Boulder, Colorado]
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A.
Denver
Denver is a small village and civil parish in Norfolk, England, known for its historic drainage works and rural setting near the town of Downham Market.
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B.
Colorado Springs, Colorado
Colorado Springs, Colorado is a major U.S. city known for its proximity to the Rocky Mountains and Pikes Peak, as well as being a national hub for Olympic and elite sports organizations.
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C.
Grand Junction, Colorado
Grand Junction, Colorado is a city in western Colorado known as a regional hub for agriculture, energy, and outdoor recreation in the Grand Valley near the Colorado National Monument.
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D.
Lakewood, Colorado
Lakewood, Colorado is a suburban city just west of Denver, known for its residential communities, retail centers, and proximity to the Rocky Mountains.
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E.
Denver, Colorado, United States
Denver is the capital and largest city of the U.S. state of Colorado, known for its mile-high elevation, proximity to the Rocky Mountains, and role as a major cultural and economic center of the American West.
- 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: Boulder, Colorado Target entity description: Boulder, Colorado is a city at the foothills of the Rocky Mountains known for its research institutions, outdoor recreation, and vibrant university community.
-
A.
Denver
Denver is a small village and civil parish in Norfolk, England, known for its historic drainage works and rural setting near the town of Downham Market.
-
B.
Colorado Springs, Colorado
Colorado Springs, Colorado is a major U.S. city known for its proximity to the Rocky Mountains and Pikes Peak, as well as being a national hub for Olympic and elite sports organizations.
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C.
Grand Junction, Colorado
Grand Junction, Colorado is a city in western Colorado known as a regional hub for agriculture, energy, and outdoor recreation in the Grand Valley near the Colorado National Monument.
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D.
Lakewood, Colorado
Lakewood, Colorado is a suburban city just west of Denver, known for its residential communities, retail centers, and proximity to the Rocky Mountains.
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E.
Denver, Colorado, United States
Denver is the capital and largest city of the U.S. state of Colorado, known for its mile-high elevation, proximity to the Rocky Mountains, and role as a major cultural and economic center of the American West.
- F. None of above. chosen
Statements (49)
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: Boulder, Colorado Description of subject: Boulder, Colorado is a city at the foothills of the Rocky Mountains known for its research institutions, outdoor recreation, and vibrant university community.
Referenced by (132)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Boulder metropolitan area
this entity surface form:
City of Boulder
this entity surface form:
City of Boulder
this entity surface form:
Boulder
this entity surface form:
Downtown Boulder
this entity surface form:
Boulder, Colorado, United States
this entity surface form:
City of Boulder
this entity surface form:
Boulder
this entity surface form:
Boulder
this entity surface form:
Boulder
this entity surface form:
Boulder
this entity surface form:
City of Boulder
subject surface form:
Central Colorado
this entity surface form:
Boulder metropolitan area
this entity surface form:
Boulder, Colorado, United States
this entity surface form:
Boulder, Colorado, United States