John H. Duncan
E215123
John H. Duncan was an American architect best known for designing prominent late-19th-century monuments and public structures, including New York’s Soldiers' and Sailors' Memorial Arch.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John H. Duncan canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1839766 — 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: John H. Duncan Context triple: [Trenton Battle Monument, architect, John H. Duncan]
-
A.
Joseph W. Byrns
Joseph W. Byrns was an American Democratic politician from Tennessee who served as Speaker of the U.S. House of Representatives in the mid-1930s.
-
B.
Tom Watson
Tom Watson is a central character in the psychological thriller film "The Girl on the Train," depicted as the unfaithful ex-husband whose deceit and manipulation drive much of the story’s suspense and mystery.
-
C.
Richard Hudson
Richard Hudson is the child of Katherine Hudson, known primarily in relation to her.
-
D.
Don Payne
Don Payne was an American screenwriter and producer best known for his work on comedic television series like "The Simpsons" and superhero films such as "Thor."
-
E.
Phil Bryant
Phil Bryant is an American Republican politician who served as the 64th governor of Mississippi from 2012 to 2020.
- 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: John H. Duncan Target entity description: John H. Duncan was an American architect best known for designing prominent late-19th-century monuments and public structures, including New York’s Soldiers' and Sailors' Memorial Arch.
-
A.
Joseph W. Byrns
Joseph W. Byrns was an American Democratic politician from Tennessee who served as Speaker of the U.S. House of Representatives in the mid-1930s.
-
B.
Tom Watson
Tom Watson is a central character in the psychological thriller film "The Girl on the Train," depicted as the unfaithful ex-husband whose deceit and manipulation drive much of the story’s suspense and mystery.
-
C.
Richard Hudson
Richard Hudson is the child of Katherine Hudson, known primarily in relation to her.
-
D.
Don Payne
Don Payne was an American screenwriter and producer best known for his work on comedic television series like "The Simpsons" and superhero films such as "Thor."
-
E.
Phil Bryant
Phil Bryant is an American Republican politician who served as the 64th governor of Mississippi from 2012 to 2020.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
American architect
ⓘ
architect ⓘ human ⓘ |
| activeInPeriod |
early 20th century
ⓘ
late 19th century ⓘ |
| basedIn | New York City ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| designed |
General Grant National Memorial in New York City
ⓘ
linked to:
General Grant National Memorial
Grant's Tomb in Manhattan ⓘ Soldiers' and Sailors' Memorial Arch at Grand Army Plaza ⓘ Soldiers' and Sailors' Memorial Arch in Brooklyn ⓘ |
| fieldOfWork |
architecture
ⓘ
monumental architecture ⓘ public architecture ⓘ |
| genre |
Beaux-Arts architecture
ⓘ
neoclassical architecture ⓘ |
| languageOfWorkOrName | English ⓘ |
| movement | American Beaux-Arts movement ⓘ |
| notability |
best known for designing prominent monuments
ⓘ
best known for designing public structures in New York ⓘ |
| notableWork |
General Grant National Memorial
ⓘ
Grand Army Plaza arch ⓘ
linked to:
Grand Army Plaza
Grant's Tomb ⓘ
linked to:
Grant’s Tomb
New York City public monuments ⓘ Soldiers' and Sailors' Memorial Arch ⓘ
linked to:
Soldiers and Sailors Memorial Arch
late-19th-century monuments ⓘ public structures in New York City ⓘ |
| occupation | architect ⓘ |
| workLocation |
Brooklyn, New York
ⓘ
linked to:
Brooklyn
New York City ⓘ |
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: John H. Duncan Description of subject: John H. Duncan was an American architect best known for designing prominent late-19th-century monuments and public structures, including New York’s Soldiers' and Sailors' Memorial Arch.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.