Jason Alexander
E212777
American Jew
actor
comedian
film actor
human
stage actor
television actor
television director
theatre director
voice actor
Jason Alexander is an American actor and comedian best known for his role as George Costanza on the television sitcom "Seinfeld."
All labels observed (2)
| Label | Occurrences |
|---|---|
| Jason Alexander canonical | 20 |
| Jason Alexander – actor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1864621 — 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: Jason Alexander Context triple: [Cinderella (1997 film), starring, Jason Alexander]
-
A.
Joe Lo Truglio
Joe Lo Truglio is an American actor and comedian best known for his role as the earnest, quirky detective Charles Boyle on the television sitcom "Brooklyn Nine-Nine."
-
B.
Hugh Dennis
Hugh Dennis is a British comedian, actor, and writer best known for his work on the sketch show "The Mary Whitehouse Experience" and the sitcom "Outnumbered."
-
C.
Thomas Haden Church
Thomas Haden Church is an American actor known for roles in the TV series "Wings" and films such as "Sideways" and "Spider-Man 3."
-
D.
Paul Reiser
Paul Reiser is an American actor, comedian, and writer best known for co-creating and starring in the 1990s sitcom "Mad About You" and for roles in films such as "Aliens" and "Diner."
-
E.
Stephen Tobolowsky
Stephen Tobolowsky is an American character actor and storyteller known for his prolific film and television work, including memorable roles in projects like "Groundhog Day" and numerous other mainstream movies and series.
- 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: Jason Alexander Target entity description: Jason Alexander is an American actor and comedian best known for his role as George Costanza on the television sitcom "Seinfeld."
-
A.
Joe Lo Truglio
Joe Lo Truglio is an American actor and comedian best known for his role as the earnest, quirky detective Charles Boyle on the television sitcom "Brooklyn Nine-Nine."
-
B.
Hugh Dennis
Hugh Dennis is a British comedian, actor, and writer best known for his work on the sketch show "The Mary Whitehouse Experience" and the sitcom "Outnumbered."
-
C.
Thomas Haden Church
Thomas Haden Church is an American actor known for roles in the TV series "Wings" and films such as "Sideways" and "Spider-Man 3."
-
D.
Paul Reiser
Paul Reiser is an American actor, comedian, and writer best known for co-creating and starring in the 1990s sitcom "Mad About You" and for roles in films such as "Aliens" and "Diner."
-
E.
Stephen Tobolowsky
Stephen Tobolowsky is an American character actor and storyteller known for his prolific film and television work, including memorable roles in projects like "Groundhog Day" and numerous other mainstream movies and series.
- F. None of above. chosen
Statements (52)
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: Jason Alexander Description of subject: Jason Alexander is an American actor and comedian best known for his role as George Costanza on the television sitcom "Seinfeld."
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Jason Alexander – actor
subject surface form:
Leo (2023 film)