Mark Stewart Greenstein
E1013698
Mark Stewart Greenstein is a Connecticut-based libertarian-leaning political activist, educator, and perennial candidate known for his unconventional campaigns for public office.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mark Stewart Greenstein canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12856745 — 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 Stewart Greenstein Context triple: [2018 Connecticut gubernatorial election, thirdPartyCandidate, Mark Stewart Greenstein]
-
A.
Jeffrey Greenstein
Jeffrey Greenstein is a film producer known for his work on action and genre movies, including the war drama "The Outpost."
-
B.
Steven J. Green
Steven J. Green is an American businessman, philanthropist, and former U.S. ambassador whose support for education and international affairs led to a major public policy school being named in his honor.
-
C.
Dan Greenburg
Dan Greenburg is an American author and humorist best known for his satirical books and children's series such as "The Zack Files."
-
D.
Martin Greenberg
Martin Greenberg was an American publisher and editor best known for co-founding Gnome Press, which helped popularize early science fiction literature.
-
E.
Steve Greenberg
Steve Greenberg is an American sports media executive and entrepreneur best known for founding the Classic Sports Network, which later became ESPN Classic.
- 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 Stewart Greenstein Target entity description: Mark Stewart Greenstein is a Connecticut-based libertarian-leaning political activist, educator, and perennial candidate known for his unconventional campaigns for public office.
-
A.
Jeffrey Greenstein
Jeffrey Greenstein is a film producer known for his work on action and genre movies, including the war drama "The Outpost."
-
B.
Steven J. Green
Steven J. Green is an American businessman, philanthropist, and former U.S. ambassador whose support for education and international affairs led to a major public policy school being named in his honor.
-
C.
Dan Greenburg
Dan Greenburg is an American author and humorist best known for his satirical books and children's series such as "The Zack Files."
-
D.
Martin Greenberg
Martin Greenberg was an American publisher and editor best known for co-founding Gnome Press, which helped popularize early science fiction literature.
-
E.
Steve Greenberg
Steve Greenberg is an American sports media executive and entrepreneur best known for founding the Classic Sports Network, which later became ESPN Classic.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
educator
ⓘ
human ⓘ perennial candidate ⓘ political activist ⓘ political candidate ⓘ |
| activeIn | Connecticut politics ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| hasPoliticalIdeology | libertarianism ⓘ |
| knownFor |
libertarian-leaning activism
ⓘ
unconventional political campaigns ⓘ |
| occupation |
educator
ⓘ
political activist ⓘ politician ⓘ |
| politicalAlignment | libertarian-leaning ⓘ |
| residence | Connecticut ⓘ |
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 Stewart Greenstein Description of subject: Mark Stewart Greenstein is a Connecticut-based libertarian-leaning political activist, educator, and perennial candidate known for his unconventional campaigns for public office.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.