Sergio Martínez
E1017291
Sergio Martínez is an Argentine former professional boxer and multiple-time middleweight world champion known for his slick southpaw style and late-career dominance.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sergio Martínez canonical | 3 |
| Sergio Gabriel Martínez | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12558085 — 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: Sergio Martínez Context triple: [Kelly Pavlik, lostTo, Sergio Martínez]
-
A.
Héctor Camacho
Héctor Camacho was a flamboyant Puerto Rican professional boxer and multiple-time world champion known for his speed, showmanship, and success across several weight divisions.
-
B.
Fernando Vargas
Fernando Vargas is a former American professional boxer and two-time light middleweight world champion known for his aggressive style and high-profile bouts in the late 1990s and early 2000s.
-
C.
Diego Corrales
Diego Corrales was an American professional boxer and multiple-time world champion known for his aggressive style and his legendary 2005 bout against José Luis Castillo.
-
D.
Felix Trinidad
Félix Trinidad is a Puerto Rican boxing legend widely regarded as one of the greatest welterweights of his era, known for his explosive power and multiple world championships across weight classes.
-
E.
Oscar De La Hoya
Oscar De La Hoya is an American former professional boxer and Olympic gold medalist who became a multi-division world champion and later a prominent boxing promoter.
- 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: Sergio Martínez Target entity description: Sergio Martínez is an Argentine former professional boxer and multiple-time middleweight world champion known for his slick southpaw style and late-career dominance.
-
A.
Héctor Camacho
Héctor Camacho was a flamboyant Puerto Rican professional boxer and multiple-time world champion known for his speed, showmanship, and success across several weight divisions.
-
B.
Fernando Vargas
Fernando Vargas is a former American professional boxer and two-time light middleweight world champion known for his aggressive style and high-profile bouts in the late 1990s and early 2000s.
-
C.
Diego Corrales
Diego Corrales was an American professional boxer and multiple-time world champion known for his aggressive style and his legendary 2005 bout against José Luis Castillo.
-
D.
Felix Trinidad
Félix Trinidad is a Puerto Rican boxing legend widely regarded as one of the greatest welterweights of his era, known for his explosive power and multiple world championships across weight classes.
-
E.
Oscar De La Hoya
Oscar De La Hoya is an American former professional boxer and Olympic gold medalist who became a multi-division world champion and later a prominent boxing promoter.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
professional boxer ⓘ world boxing champion ⓘ |
| activeIn |
20th-century boxing
ⓘ
21st-century boxing ⓘ |
| boxingStance | southpaw ⓘ |
| careerStatus | former professional boxer ⓘ |
| countryOfCitizenship | Argentina ⓘ |
| defeated |
Julio César Chávez Jr.
ⓘ
Kelly Pavlik ⓘ Paul Williams ⓘ |
| ethnicGroup | Argentine of Spanish descent ⓘ |
| familyName | Martínez ⓘ |
| fightingOutOf |
Buenos Aires, Argentina
ⓘ
linked to:
Buenos Aires
|
| givenName | Sergio ⓘ |
| hasRole |
world light middleweight champion
ⓘ
world middleweight champion ⓘ |
| hasWonTitleIn |
light middleweight division
ⓘ
middleweight division ⓘ |
| knownFor |
knockout power in the middleweight division
ⓘ
late-career dominance at middleweight ⓘ unorthodox movement and reflexes ⓘ |
| languageSpoken | Spanish ⓘ |
| lostTo |
Miguel Cotto
ⓘ
Paul Williams ⓘ |
| name |
Sergio Gabriel Martínez
ⓘ
linked to:
Sergio Martínez
|
| nationality |
Argentine
ⓘ
linked to:
Argentines
|
| nickname | Maravilla ⓘ |
| notableAchievement |
The Ring middleweight world champion
ⓘ
linked to:
The Ring middleweight title
WBC light middleweight world champion ⓘ WBC middleweight world champion ⓘ
linked to:
WBC middleweight title
WBO middleweight world champion ⓘ
linked to:
WBO middleweight title
lineal middleweight champion ⓘ multiple-time middleweight world champion ⓘ |
| notableFight |
Sergio Martínez vs Julio César Chávez Jr.
ⓘ
Sergio Martínez vs Kelly Pavlik ⓘ
linked to:
Kelly Pavlik vs. Sergio Martínez
Sergio Martínez vs Paul Williams II ⓘ |
| notableFor | being one of the top pound-for-pound fighters of his era ⓘ |
| occupation |
athlete
ⓘ
professional boxer ⓘ |
| position | middleweight boxer ⓘ |
| residence | Spain ⓘ |
| sexOrGender | male ⓘ |
| sport | boxing ⓘ |
| style | slick southpaw style ⓘ |
| weightClass |
light middleweight
ⓘ
middleweight ⓘ |
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: Sergio Martínez Description of subject: Sergio Martínez is an Argentine former professional boxer and multiple-time middleweight world champion known for his slick southpaw style and late-career dominance.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sergio Martínez