Demian Maia
E571105
Demian Maia is a Brazilian mixed martial artist and elite Brazilian jiu-jitsu specialist known as one of the greatest grapplers in UFC history.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Demian Maia canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6107376 — 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: Demian Maia Context triple: [Tyron Woodley, defendedTitleAgainst, Demian Maia]
-
A.
Carlos Oliveira
Carlos Oliveira is a former Umbrella Corporation soldier who becomes a key ally to Jill Valentine in the Resident Evil series, notably helping survivors escape during the Raccoon City outbreak.
-
B.
Thiago Soares
Thiago Soares is a renowned Brazilian ballet dancer best known as a former principal dancer of The Royal Ballet in London.
-
C.
Thiago Teixeira
Thiago Teixeira is a technology entrepreneur best known as a co-founder of the data app development platform Streamlit.
-
D.
Thiago
Thiago is a masculine given name of Portuguese origin, commonly used in Brazil and other Portuguese-speaking countries.
-
E.
Marcelo Vieira
Marcelo Vieira is a Brazilian professional footballer best known as an attacking left-back for Real Madrid and the Brazil national team, widely regarded as one of the greatest full-backs of his generation.
- 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: Demian Maia Target entity description: Demian Maia is a Brazilian mixed martial artist and elite Brazilian jiu-jitsu specialist known as one of the greatest grapplers in UFC history.
-
A.
Carlos Oliveira
Carlos Oliveira is a former Umbrella Corporation soldier who becomes a key ally to Jill Valentine in the Resident Evil series, notably helping survivors escape during the Raccoon City outbreak.
-
B.
Thiago Soares
Thiago Soares is a renowned Brazilian ballet dancer best known as a former principal dancer of The Royal Ballet in London.
-
C.
Thiago Teixeira
Thiago Teixeira is a technology entrepreneur best known as a co-founder of the data app development platform Streamlit.
-
D.
Thiago
Thiago is a masculine given name of Portuguese origin, commonly used in Brazil and other Portuguese-speaking countries.
-
E.
Marcelo Vieira
Marcelo Vieira is a Brazilian professional footballer best known as an attacking left-back for Real Madrid and the Brazil national team, widely regarded as one of the greatest full-backs of his generation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
mixed martial artist ⓘ |
| birthDate | 1977-11-06 ⓘ |
| birthPlace |
São Paulo
NERFINISHED
ⓘ
São Paulo, Brazil NERFINISHED ⓘ |
| blackBeltIn | Brazilian jiu-jitsu ⓘ |
| competedInDiscipline | submission grappling ⓘ |
| competedInOrganization | UFC NERFINISHED ⓘ |
| countryOfCitizenship | Brazil ⓘ |
| familyName | Maia NERFINISHED ⓘ |
| fightingOutOf | São Paulo, Brazil NERFINISHED ⓘ |
| fullName | Demian Augusto Maia Baptista NERFINISHED ⓘ |
| gender | male ⓘ |
| givenName | Demian NERFINISHED ⓘ |
| hasCompetitor |
Anderson Silva
NERFINISHED
ⓘ
Ben Askren NERFINISHED ⓘ Carlos Condit NERFINISHED ⓘ Chael Sonnen NERFINISHED ⓘ Colby Covington NERFINISHED ⓘ Gilbert Burns NERFINISHED ⓘ Jon Fitch NERFINISHED ⓘ Jorge Masvidal NERFINISHED ⓘ Kamaru Usman NERFINISHED ⓘ Matt Brown NERFINISHED ⓘ Nate Marquardt NERFINISHED ⓘ Rory MacDonald NERFINISHED ⓘ Tyron Woodley NERFINISHED ⓘ |
| hasWonTitle |
ADCC Submission Wrestling World Championship
NERFINISHED
ⓘ
World Jiu-Jitsu Championship NERFINISHED ⓘ |
| knownFor |
elite Brazilian jiu-jitsu skills
ⓘ
grappling-oriented fighting style ⓘ one of the greatest grapplers in UFC history ⓘ |
| languageSpoken | Portuguese ⓘ |
| nationality | Brazilian ⓘ |
| notableAchievement |
challenged for UFC middleweight title
ⓘ
challenged for UFC welterweight title ⓘ |
| occupation |
Brazilian jiu-jitsu instructor
ⓘ
professional fighter ⓘ |
| organization | Ultimate Fighting Championship NERFINISHED ⓘ |
| shortName | Demian Maia NERFINISHED ⓘ |
| sport |
Brazilian jiu-jitsu
ⓘ
mixed martial arts ⓘ |
| style |
Brazilian jiu-jitsu
NERFINISHED
ⓘ
grappling ⓘ submission grappling ⓘ |
| team | Demian Maia Jiu-Jitsu NERFINISHED ⓘ |
| weightClass |
middleweight
ⓘ
welterweight ⓘ |
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: Demian Maia Description of subject: Demian Maia is a Brazilian mixed martial artist and elite Brazilian jiu-jitsu specialist known as one of the greatest grapplers in UFC history.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.