Ragnar Sigurdsson
E592838
Ragnar Sigurdsson is an Icelandic professional footballer known primarily as a central defender who has represented Iceland’s national team at major international tournaments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ragnar Sigurdsson canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6385127 — 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: Ragnar Sigurdsson Context triple: [Ragnar, hasNotableBearer, Ragnar Sigurdsson]
-
A.
Halfdan Ragnarsson
Halfdan Ragnarsson was a 9th-century Viking warlord, traditionally identified as one of the sons of Ragnar Lothbrok, who played a major role in the Norse invasions and political upheavals in England.
-
B.
Ásmundur Grey-haired
Ásmundur Grey-haired is a character in the Icelandic saga "Grettis saga," known primarily as the father of the outlaw hero Grettir Ásmundarson.
-
C.
Hrólfr
Hrólfr, better known as Rollo, was a Viking leader who became the first ruler of Normandy in the early 10th century.
-
D.
Illugi Grettisson
Illugi Grettisson is a character in the Icelandic saga tradition, known as the loyal younger brother and companion of the outlaw hero Grettir Ásmundarson in Grettis saga.
-
E.
Þrúðr
Þrúðr is a minor Norse goddess or valkyrie associated with strength, known as the daughter of Thor and the giantess Sif in Norse mythology.
- 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: Ragnar Sigurdsson Target entity description: Ragnar Sigurdsson is an Icelandic professional footballer known primarily as a central defender who has represented Iceland’s national team at major international tournaments.
-
A.
Halfdan Ragnarsson
Halfdan Ragnarsson was a 9th-century Viking warlord, traditionally identified as one of the sons of Ragnar Lothbrok, who played a major role in the Norse invasions and political upheavals in England.
-
B.
Ásmundur Grey-haired
Ásmundur Grey-haired is a character in the Icelandic saga "Grettis saga," known primarily as the father of the outlaw hero Grettir Ásmundarson.
-
C.
Hrólfr
Hrólfr, better known as Rollo, was a Viking leader who became the first ruler of Normandy in the early 10th century.
-
D.
Illugi Grettisson
Illugi Grettisson is a character in the Icelandic saga tradition, known as the loyal younger brother and companion of the outlaw hero Grettir Ásmundarson in Grettis saga.
-
E.
Þrúðr
Þrúðr is a minor Norse goddess or valkyrie associated with strength, known as the daughter of Thor and the giantess Sif in Norse mythology.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
association football player
ⓘ
defender ⓘ human ⓘ |
| countryOfBirth | Iceland NERFINISHED ⓘ |
| countryOfCitizenship | Iceland NERFINISHED ⓘ |
| familyName | Sigurðsson NERFINISHED ⓘ |
| fullName | Ragnar Sigurðsson NERFINISHED ⓘ |
| givenName | Ragnar NERFINISHED ⓘ |
| hasRole | professional footballer ⓘ |
| languageSpoken | Icelandic ⓘ |
| memberOfSportsTeam | Iceland national football team NERFINISHED ⓘ |
| nationality | Icelandic ⓘ |
| notableFor | defensive performances for Iceland at UEFA Euro 2016 ⓘ |
| participatedIn |
2018 FIFA World Cup
NERFINISHED
ⓘ
UEFA Euro 2016 NERFINISHED ⓘ |
| placeOfBirth | Reykjavík NERFINISHED ⓘ |
| playedFor |
FC Copenhagen
NERFINISHED
ⓘ
FC Copenhagen Reserves and Youth Team NERFINISHED ⓘ FC Krasnodar NERFINISHED ⓘ Fulham FC NERFINISHED ⓘ Fylkir NERFINISHED ⓘ IFK Göteborg NERFINISHED ⓘ Rostov NERFINISHED ⓘ Rubin Kazan NERFINISHED ⓘ Rukh Lviv NERFINISHED ⓘ |
| positionPlayed |
central defender
ⓘ
centre-back ⓘ |
| sexOrGender | male ⓘ |
| sport | association football ⓘ |
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: Ragnar Sigurdsson Description of subject: Ragnar Sigurdsson is an Icelandic professional footballer known primarily as a central defender who has represented Iceland’s national team at major international tournaments.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.