Ephraim Hart
E162941
Ephraim Hart was an early American merchant and broker who was among the founders of what became the New York Stock Exchange.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ephraim Hart canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T723662 — 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: Ephraim Hart Context triple: [Buttonwood Agreement, signatory, Ephraim Hart]
-
A.
Jeremiah Elfreth
Jeremiah Elfreth was an 18th-century Philadelphia blacksmith and property owner whose name was given to the historic residential street now known as Elfreth's Alley.
-
B.
Samuel Ellis
Samuel Ellis was the landowner after whom Ellis Island in New York Harbor was named.
-
C.
Ephraim Hartwell
Ephraim Hartwell was an 18th-century Massachusetts tavern keeper and farmer known for his role in local events around the time of the American Revolution.
-
D.
Moses Taylor
Moses Taylor was a prominent 19th-century American merchant, banker, and railroad executive who became one of the wealthiest men of his era.
-
E.
Abraham Van Brunt
Abraham Van Brunt, better known as Brom Bones, is the boisterous, brawny rival of Ichabod Crane in Washington Irving’s short story “The Legend of Sleepy Hollow.”
- 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: Ephraim Hart Target entity description: Ephraim Hart was an early American merchant and broker who was among the founders of what became the New York Stock Exchange.
-
A.
Jeremiah Elfreth
Jeremiah Elfreth was an 18th-century Philadelphia blacksmith and property owner whose name was given to the historic residential street now known as Elfreth's Alley.
-
B.
Samuel Ellis
Samuel Ellis was the landowner after whom Ellis Island in New York Harbor was named.
-
C.
Ephraim Hartwell
Ephraim Hartwell was an 18th-century Massachusetts tavern keeper and farmer known for his role in local events around the time of the American Revolution.
-
D.
Moses Taylor
Moses Taylor was a prominent 19th-century American merchant, banker, and railroad executive who became one of the wealthiest men of his era.
-
E.
Abraham Van Brunt
Abraham Van Brunt, better known as Brom Bones, is the boisterous, brawny rival of Ichabod Crane in Washington Irving’s short story “The Legend of Sleepy Hollow.”
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
founder of organization
ⓘ
merchant ⓘ person ⓘ stockbroker ⓘ |
| associatedWith | New York Stock Exchange ⓘ |
| centuryOfActivity |
18th century
ⓘ
19th century ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| ethnicGroup |
Jews
ⓘ
surface form:
Jewish people
|
| familyName | Hart ⓘ |
| fieldOfWork |
commerce
ⓘ
finance ⓘ securities trading ⓘ |
| founderOf | predecessor of the New York Stock Exchange ⓘ |
| gender | male ⓘ |
| givenName | Ephraim ⓘ |
| languageOfWorkOrName | English ⓘ |
| memberOf | early New York securities brokers ⓘ |
| notableFor |
being an early American broker
ⓘ
being an early American merchant ⓘ role in founding what became the New York Stock Exchange ⓘ |
| notableWork | Buttonwood Agreement ⓘ |
| occupation |
broker
ⓘ
merchant ⓘ stockbroker ⓘ |
| participantIn | Buttonwood Agreement ⓘ |
| placeOfActivity |
New York
ⓘ
surface form:
New York (state)
New York City ⓘ |
| religion | Judaism ⓘ |
| signatoryTo | Buttonwood Agreement ⓘ |
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: Ephraim Hart Description of subject: Ephraim Hart was an early American merchant and broker who was among the founders of what became the New York Stock Exchange.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.