Mark Gruner
E220954
Mark Gruner is an American former child actor best known for his role in the 1978 thriller film "Jaws 2."
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mark Gruner canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T995359 — 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: Mark Gruner Context triple: [Jaws 2, stars, Mark Gruner]
-
A.
Michael Filerman
Michael Filerman was an American television producer best known for developing and producing popular prime-time soap operas during the 1970s and 1980s.
-
B.
Mark Rosner
Mark Rosner is a screenwriter best known for co-writing the 1996 action film "The Rock."
-
C.
Jon Rubinstein
Jon Rubinstein is an American computer engineer and executive best known for his key role in developing Apple's iPod and later leading Palm as CEO.
-
D.
Nick Frenkel
Nick Frenkel is a television producer best known for his work as an executive producer on the long-running comedy series "It's Always Sunny in Philadelphia."
-
E.
Michael Klein
Michael Klein is the father of Canadian author and activist Naomi Klein.
- 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: Mark Gruner Target entity description: Mark Gruner is an American former child actor best known for his role in the 1978 thriller film "Jaws 2."
-
A.
Michael Filerman
Michael Filerman was an American television producer best known for developing and producing popular prime-time soap operas during the 1970s and 1980s.
-
B.
Mark Rosner
Mark Rosner is a screenwriter best known for co-writing the 1996 action film "The Rock."
-
C.
Jon Rubinstein
Jon Rubinstein is an American computer engineer and executive best known for his key role in developing Apple's iPod and later leading Palm as CEO.
-
D.
Nick Frenkel
Nick Frenkel is a television producer best known for his work as an executive producer on the long-running comedy series "It's Always Sunny in Philadelphia."
-
E.
Michael Klein
Michael Klein is the father of Canadian author and activist Naomi Klein.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
American actor
ⓘ
former child actor ⓘ human ⓘ |
| activeIn | 1970s ⓘ |
| appearedIn |
film
ⓘ
television ⓘ |
| castMemberOf | Jaws 2 ⓘ |
| childActor | true ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| era | 20th century ⓘ |
| genre | film ⓘ |
| hasNotableRole | Mike Brody in "Jaws 2" ⓘ |
| knownFor | role in the 1978 thriller film "Jaws 2" ⓘ |
| languageOfWorkOrName | English ⓘ |
| medium | cinema ⓘ |
| nationality | American ⓘ |
| notableFor | appearing as a teenager in a major Hollywood sequel ⓘ |
| notableWork | Jaws 2 ⓘ |
| occupation | actor ⓘ |
| occupationStatus | former actor ⓘ |
| participatedIn | Jaws 2 ⓘ |
| partOf | cast of "Jaws 2" ⓘ |
| portrayed | Mike Brody ⓘ |
| typeOfArtist | film actor ⓘ |
| workLocation | United States of America ⓘ |
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: Mark Gruner Description of subject: Mark Gruner is an American former child actor best known for his role in the 1978 thriller film "Jaws 2."
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.