Ramón Mercader
E64105
Ramón Mercader was a Spanish-born Soviet agent best known for assassinating exiled Russian revolutionary Leon Trotsky in Mexico in 1940.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ramón Mercader canonical | 12 |
How this entity was disambiguated
This entity first appeared as the object of triple T513057 — 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: Ramón Mercader Context triple: [Leon Trotsky, killedBy, Ramón Mercader]
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A.
Carl Mays
Carl Mays was a Major League Baseball pitcher in the early 20th century, best known for his submarine pitching style and his controversial role in the fatal beaning of Ray Chapman.
-
B.
Moe Berg
Moe Berg was an American Major League Baseball catcher who later became a World War II spy for the U.S. Office of Strategic Services.
-
C.
Orlando Hernández
Orlando Hernández is a Cuban-born former Major League Baseball pitcher, nicknamed "El Duque," best known for his success with the New York Yankees during their late-1990s championship run.
-
D.
Eddie Plank
Eddie Plank was a Hall of Fame left-handed pitcher for the Philadelphia Athletics in the early 20th century, renowned for his exceptional control and longevity on the mound.
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E.
Roberto Clemente
Roberto Clemente was a Hall of Fame Puerto Rican right fielder for the Pittsburgh Pirates, renowned for his exceptional hitting, defense, humanitarian work, and status as one of baseball’s greatest players.
- 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: Ramón Mercader Target entity description: Ramón Mercader was a Spanish-born Soviet agent best known for assassinating exiled Russian revolutionary Leon Trotsky in Mexico in 1940.
-
A.
Carl Mays
Carl Mays was a Major League Baseball pitcher in the early 20th century, best known for his submarine pitching style and his controversial role in the fatal beaning of Ray Chapman.
-
B.
Moe Berg
Moe Berg was an American Major League Baseball catcher who later became a World War II spy for the U.S. Office of Strategic Services.
-
C.
Orlando Hernández
Orlando Hernández is a Cuban-born former Major League Baseball pitcher, nicknamed "El Duque," best known for his success with the New York Yankees during their late-1990s championship run.
-
D.
Eddie Plank
Eddie Plank was a Hall of Fame left-handed pitcher for the Philadelphia Athletics in the early 20th century, renowned for his exceptional control and longevity on the mound.
-
E.
Roberto Clemente
Roberto Clemente was a Hall of Fame Puerto Rican right fielder for the Pittsburgh Pirates, renowned for his exceptional hitting, defense, humanitarian work, and status as one of baseball’s greatest players.
- F. None of above. chosen
Statements (49)
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: Ramón Mercader Description of subject: Ramón Mercader was a Spanish-born Soviet agent best known for assassinating exiled Russian revolutionary Leon Trotsky in Mexico in 1940.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.