Jan Mayen
E27733
Jan Mayen is a remote volcanic island in the Arctic Ocean administered by Norway, known for its harsh climate, military and meteorological stations, and proximity to the Mid-Atlantic Ridge.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Jan Mayen canonical | 52 |
| Jan Mayen microcontinent | 3 |
| Jan Mayen Island | 2 |
| Jan Mayen meteorological station | 2 |
| Jan Mayen (Norwegian dependency) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T143197 — 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: Jan Mayen Context triple: [Norway, hasOverseasTerritory, Jan Mayen]
-
A.
Svalbard
Svalbard is a remote Arctic archipelago known for its rugged glaciers, polar bear habitat, and role as a center for polar research and environmental monitoring.
-
B.
Swains Island
Swains Island is a remote, privately owned atoll in the Tokelau region of the Pacific Ocean that is politically administered as part of American Samoa.
-
C.
Tristan da Cunha
Tristan da Cunha is a remote volcanic island group in the South Atlantic Ocean, known as one of the world’s most isolated inhabited archipelagos and a British Overseas Territory.
-
D.
Halve Maen
Halve Maen was a Dutch East India Company ship best known for carrying English explorer Henry Hudson on his 1609 voyage that led to the European exploration of the river now called the Hudson River.
-
E.
Thacher Island
Thacher Island is a small rocky island off the coast of Massachusetts known for its historic twin lighthouses that have guided ships in the Atlantic since the 18th century.
- 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: Jan Mayen Target entity description: Jan Mayen is a remote volcanic island in the Arctic Ocean administered by Norway, known for its harsh climate, military and meteorological stations, and proximity to the Mid-Atlantic Ridge.
-
A.
Svalbard
Svalbard is a remote Arctic archipelago known for its rugged glaciers, polar bear habitat, and role as a center for polar research and environmental monitoring.
-
B.
Swains Island
Swains Island is a remote, privately owned atoll in the Tokelau region of the Pacific Ocean that is politically administered as part of American Samoa.
-
C.
Tristan da Cunha
Tristan da Cunha is a remote volcanic island group in the South Atlantic Ocean, known as one of the world’s most isolated inhabited archipelagos and a British Overseas Territory.
-
D.
Halve Maen
Halve Maen was a Dutch East India Company ship best known for carrying English explorer Henry Hudson on his 1609 voyage that led to the European exploration of the river now called the Hudson River.
-
E.
Thacher Island
Thacher Island is a small rocky island off the coast of Massachusetts known for its historic twin lighthouses that have guided ships in the Atlantic since the 18th century.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Arctic island
ⓘ
settlement ⓘ stratovolcano ⓘ volcanic island ⓘ |
| administeredBy | Norway ⓘ |
| area | approximately 377 square kilometres ⓘ |
| country | Norway ⓘ |
| elevation | 2277 metres ⓘ |
| governedAs | unincorporated area of Norway ⓘ |
| hasAverageTemperature |
below freezing in winter
ⓘ
cool in summer ⓘ |
| hasClimate |
Arctic climate
ⓘ
harsh climate ⓘ |
| hasCoastlineLength | about 124 kilometres ⓘ |
| hasDiscoveryPeriod | early 17th century ⓘ |
| hasHighestPoint | Beerenberg ⓘ |
| hasICAOCode | ENJA ⓘ |
| hasImportantFeature |
active volcano
ⓘ
bird cliffs ⓘ glaciers ⓘ |
| hasISO3166Code | SJ ⓘ |
| hasLegalStatus | demilitarised for civilians ⓘ |
| hasMainEconomicActivity |
meteorology
ⓘ
military operations ⓘ research ⓘ |
| hasMainLanguage | Norwegian ⓘ |
| hasPopulation | seasonal personnel ⓘ |
| hasPrimaryAccessMode |
aircraft
ⓘ
ship ⓘ |
| hasRunwaySurface | gravel ⓘ |
| hasSettlement | Olonkinbyen ⓘ |
| hasStation |
meteorological station
ⓘ
military station ⓘ |
| hasSurroundingSeaIceSeason | long ⓘ |
| isImportantFor |
Arctic meteorological observations
ⓘ
seabird breeding ⓘ |
| length | approximately 55 kilometres ⓘ |
| locatedIn |
Arctic Ocean
ⓘ
Norwegian Sea ⓘ |
| locatedOn |
Jan Mayen
ⓘ
Jan Mayen ⓘ Mid-Atlantic Ridge ⓘ |
| namedAfter | Jan Jacobszoon Mayen ⓘ |
| partOf | Kingdom of Norway ⓘ |
| sharesISO3166CodeWith | Svalbard ⓘ |
| sovereignState | Norway ⓘ |
| timeZone |
UTC+01:00
ⓘ
UTC+02:00 ⓘ |
| uninhabitedPermanently | true ⓘ |
| width | up to 15 kilometres ⓘ |
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: Jan Mayen Description of subject: Jan Mayen is a remote volcanic island in the Arctic Ocean administered by Norway, known for its harsh climate, military and meteorological stations, and proximity to the Mid-Atlantic Ridge.
Referenced by (60)
Full triples — surface form annotated when it differs from this entity's canonical label.