Halfdan the Black
E529501
Halfdan the Black is a fictional Viking chieftain portrayed as a rival leader in the 1989 comedy film "Erik the Viking."
All labels observed (1)
| Label | Occurrences |
|---|---|
| Halfdan the Black canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5513773 — 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: Halfdan the Black Context triple: [Eric the Viking, character, Halfdan the Black]
-
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.
Ivar the Boneless
Ivar the Boneless was a legendary 9th-century Viking leader and commander of the Great Heathen Army, renowned for his military prowess and feared across Anglo-Saxon England.
-
C.
Sigfrid of Sweden
Sigfrid of Sweden was an English missionary bishop and saint traditionally credited with helping to introduce and spread Christianity in early medieval Sweden.
-
D.
Magnus the Viking
Magnus the Viking is the costumed Viking mascot representing Cleveland State University's athletic teams and school spirit.
-
E.
Grettir Ásmundarson
Grettir Ásmundarson is a legendary Icelandic outlaw and warrior famed for his superhuman strength, tragic fate, and central role in the medieval saga bearing his name.
- 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: Halfdan the Black Target entity description: Halfdan the Black is a fictional Viking chieftain portrayed as a rival leader in the 1989 comedy film "Erik the Viking."
-
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.
Ivar the Boneless
Ivar the Boneless was a legendary 9th-century Viking leader and commander of the Great Heathen Army, renowned for his military prowess and feared across Anglo-Saxon England.
-
C.
Sigfrid of Sweden
Sigfrid of Sweden was an English missionary bishop and saint traditionally credited with helping to introduce and spread Christianity in early medieval Sweden.
-
D.
Magnus the Viking
Magnus the Viking is the costumed Viking mascot representing Cleveland State University's athletic teams and school spirit.
-
E.
Grettir Ásmundarson
Grettir Ásmundarson is a legendary Icelandic outlaw and warrior famed for his superhuman strength, tragic fate, and central role in the medieval saga bearing his name.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
Viking chieftain
ⓘ
fictional character ⓘ |
| appearsIn |
Erik the Viking (film)
ⓘ
linked to:
Eric the Viking
|
| basedOn | Norse/Viking archetype ⓘ |
| countryOfOriginOfWork | United Kingdom ⓘ |
| fictionalUniverse |
Erik the Viking (film)
ⓘ
linked to:
Eric the Viking
|
| genreOfWork | comedy film ⓘ |
| languageOfWork | English ⓘ |
| medium | film ⓘ |
| opposesCharacter |
Erik the Viking (character)
ⓘ
linked to:
Erik the Viking
|
| portrayedAs | Viking chieftain ⓘ |
| roleInStory |
antagonist
ⓘ
rival leader ⓘ |
| settingPeriod | Viking Age ⓘ |
| yearOfWork | 1989 ⓘ |
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: Halfdan the Black Description of subject: Halfdan the Black is a fictional Viking chieftain portrayed as a rival leader in the 1989 comedy film "Erik the Viking."
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.