Mark Derwin
E526446
Mark Derwin is an American actor best known for his television roles in soap operas and family dramas, including a prominent part on *The Secret Life of the American Teenager*.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mark Derwin canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5088319 — 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 Derwin Context triple: [The Secret Life of the American Teenager, leadActor, Mark Derwin]
-
A.
Mitch Kertzman
Mitch Kertzman is an American technology executive and entrepreneur best known for his leadership roles in the software and semiconductor industries, including at companies like LSI Logic and Sybase.
-
B.
Johnny Gandelsman
Johnny Gandelsman is a Grammy-winning violinist and producer known for his work with ensembles like Brooklyn Rider and the Silk Road Ensemble, as well as for his innovative solo projects.
-
C.
Steven Baigelman
Steven Baigelman is an American screenwriter and producer known for his work on biographical and crime dramas in film and television.
-
D.
John Reiser
John Reiser is a software developer best known for creating the UPX (Ultimate Packer for Executables) compression tool.
-
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 Derwin Target entity description: Mark Derwin is an American actor best known for his television roles in soap operas and family dramas, including a prominent part on *The Secret Life of the American Teenager*.
-
A.
Mitch Kertzman
Mitch Kertzman is an American technology executive and entrepreneur best known for his leadership roles in the software and semiconductor industries, including at companies like LSI Logic and Sybase.
-
B.
Johnny Gandelsman
Johnny Gandelsman is a Grammy-winning violinist and producer known for his work with ensembles like Brooklyn Rider and the Silk Road Ensemble, as well as for his innovative solo projects.
-
C.
Steven Baigelman
Steven Baigelman is an American screenwriter and producer known for his work on biographical and crime dramas in film and television.
-
D.
John Reiser
John Reiser is a software developer best known for creating the UPX (Ultimate Packer for Executables) compression tool.
-
E.
Michael Klein
Michael Klein is the father of Canadian author and activist Naomi Klein.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
American television actor
ⓘ
film actor ⓘ human ⓘ |
| characterInWork |
A.C. Mallet in Guiding Light
ⓘ
Ben Davidson in One Life to Live ⓘ Dr. Mark Devanow in Life with Bonnie ⓘ George Juergens in The Secret Life of the American Teenager ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| genreOfWorkActedIn |
comedy
ⓘ
family drama ⓘ soap opera ⓘ |
| hasIMDbId | nm0220719 ⓘ |
| knownFor |
television roles in family dramas
ⓘ
television roles in soap operas ⓘ |
| languageOfWorkOrName | English ⓘ |
| mediumOfPerformance |
film
ⓘ
television ⓘ |
| notableWork |
Boston Legal
ⓘ
Chuck ⓘ Days of Our Lives ⓘ Guiding Light ⓘ How I Met Your Mother ⓘ Life with Bonnie ⓘ One Life to Live ⓘ The Secret Life of the American Teenager ⓘ |
| occupation | actor ⓘ |
| playedCharacter |
A.C. Mallet
ⓘ
Ben Davidson ⓘ Dr. Mark Devanow ⓘ George Juergens ⓘ |
| sexOrGender | male ⓘ |
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 Derwin Description of subject: Mark Derwin is an American actor best known for his television roles in soap operas and family dramas, including a prominent part on *The Secret Life of the American Teenager*.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.