John MacDonald
E822838
John MacDonald is a business founder and entrepreneur best known for establishing the company MDA.
All labels observed (2)
| Label | Occurrences |
|---|---|
| John MacDonald canonical | 2 |
| John S. MacDonald | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9808235 — 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 MacDonald Context triple: [MDA, foundedBy, John MacDonald]
-
A.
Æneas MacKenzie
Æneas MacKenzie was a Scottish-born Hollywood screenwriter known for crafting grand historical and biblical epics, including contributing to the screenplay of Cecil B. DeMille’s 1956 film "The Ten Commandments."
-
B.
William Mackenzie
William Mackenzie is a Canadian businessman best known as a co-founder of the global alternative asset management firm Brookfield Asset Management.
-
C.
William Mackenzie
William Mackenzie was a prominent Canadian railway entrepreneur and financier best known for co-founding and expanding the Canadian Northern Railway in the late 19th and early 20th centuries.
-
D.
John MacLeod
John MacLeod was an American basketball coach best known for leading the Phoenix Suns to multiple playoff appearances, including a trip to the 1976 NBA Finals.
-
E.
John MacLeod
John MacLeod is known as the husband of Prudence Murdoch, the eldest daughter of media magnate Rupert Murdoch.
- 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 MacDonald Target entity description: John MacDonald is a business founder and entrepreneur best known for establishing the company MDA.
-
A.
Æneas MacKenzie
Æneas MacKenzie was a Scottish-born Hollywood screenwriter known for crafting grand historical and biblical epics, including contributing to the screenplay of Cecil B. DeMille’s 1956 film "The Ten Commandments."
-
B.
William Mackenzie
William Mackenzie is a Canadian businessman best known as a co-founder of the global alternative asset management firm Brookfield Asset Management.
-
C.
William Mackenzie
William Mackenzie was a prominent Canadian railway entrepreneur and financier best known for co-founding and expanding the Canadian Northern Railway in the late 19th and early 20th centuries.
-
D.
John MacLeod
John MacLeod was an American basketball coach best known for leading the Phoenix Suns to multiple playoff appearances, including a trip to the 1976 NBA Finals.
-
E.
John MacLeod
John MacLeod is known as the husband of Prudence Murdoch, the eldest daughter of media magnate Rupert Murdoch.
- F. None of above. chosen
Statements (9)
| Predicate | Object |
|---|---|
| instanceOf |
businessperson
ⓘ
company ⓘ entrepreneur ⓘ |
| foundedBy | John MacDonald ⓘ |
| founderOf | MDA ⓘ |
| knownFor | founding MDA ⓘ |
| notableWork | development of MDA as a company ⓘ |
| occupation |
business executive
ⓘ
entrepreneur ⓘ |
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 MacDonald Description of subject: John MacDonald is a business founder and entrepreneur best known for establishing the company MDA.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: John MacDonald
subject linked to:
John MacDonald