Duncan McDuffie
E652297
Duncan McDuffie was an early 20th-century American mountaineer and conservationist known for pioneering ascents in the Sierra Nevada and for his influential role in the Sierra Club.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Duncan McDuffie canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6962204 — 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: Duncan McDuffie Context triple: [Black Kaweah, firstAscentBy, Duncan McDuffie]
-
A.
Stephen McFeely
Stephen McFeely is an American screenwriter best known for co-writing several major Marvel Cinematic Universe films, including the Captain America trilogy and Avengers: Infinity War and Endgame.
-
B.
Donald McLeod
Donald McLeod was a Loyalist officer in the American Revolutionary War who led British-aligned forces at the Battle of Moore’s Creek Bridge in 1776.
-
C.
Sam McCandlish
Sam McCandlish is a machine learning researcher known for his work on large-scale language models and contributions to influential AI research at OpenAI.
-
D.
Max Dennison
Max Dennison is the skeptical teenage protagonist of the Halloween-themed fantasy film "Hocus Pocus," whose actions accidentally resurrect three witches in Salem.
-
E.
Anthony McHenry
Anthony McHenry is an American professional basketball player best known for his long, successful career in Japan’s B.League, particularly as a key contributor to the Ryukyu Golden Kings.
- 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: Duncan McDuffie Target entity description: Duncan McDuffie was an early 20th-century American mountaineer and conservationist known for pioneering ascents in the Sierra Nevada and for his influential role in the Sierra Club.
-
A.
Stephen McFeely
Stephen McFeely is an American screenwriter best known for co-writing several major Marvel Cinematic Universe films, including the Captain America trilogy and Avengers: Infinity War and Endgame.
-
B.
Donald McLeod
Donald McLeod was a Loyalist officer in the American Revolutionary War who led British-aligned forces at the Battle of Moore’s Creek Bridge in 1776.
-
C.
Sam McCandlish
Sam McCandlish is a machine learning researcher known for his work on large-scale language models and contributions to influential AI research at OpenAI.
-
D.
Max Dennison
Max Dennison is the skeptical teenage protagonist of the Halloween-themed fantasy film "Hocus Pocus," whose actions accidentally resurrect three witches in Salem.
-
E.
Anthony McHenry
Anthony McHenry is an American professional basketball player best known for his long, successful career in Japan’s B.League, particularly as a key contributor to the Ryukyu Golden Kings.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
conservationist
ⓘ
environmentalist ⓘ human ⓘ mountaineer ⓘ real estate developer ⓘ |
| affiliation | Sierra Club ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| familyName | McDuffie ⓘ |
| fieldOfWork |
conservation
ⓘ
land development ⓘ mountaineering ⓘ urban planning ⓘ |
| genre | alpinism ⓘ |
| givenName | Duncan ⓘ |
| languageOfWorkOrName | English ⓘ |
| memberOf | Sierra Club ⓘ |
| movement | American conservation movement ⓘ |
| notableFor |
advocacy for wilderness preservation in California
ⓘ
early 20th-century mountaineering in the Sierra Nevada ⓘ influential role in the Sierra Club ⓘ promotion of parklands and open space in California ⓘ |
| notableWork |
leadership in the Sierra Club
ⓘ
pioneering ascents in the Sierra Nevada ⓘ |
| occupation |
conservationist
ⓘ
mountaineer ⓘ real estate developer ⓘ |
| placeOfActivity |
California mountains
ⓘ
Sierra Nevada ⓘ |
| positionHeld | president of the Sierra Club ⓘ |
| timePeriod | early 20th century ⓘ |
| workLocation |
Berkeley, California
ⓘ
linked to:
Berkeley, California, United States
California ⓘ
linked to:
California, United States
|
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: Duncan McDuffie Description of subject: Duncan McDuffie was an early 20th-century American mountaineer and conservationist known for pioneering ascents in the Sierra Nevada and for his influential role in the Sierra Club.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.