Aogashima
E1024710
Aogashima is a remote, volcanic island village in the Philippine Sea, known for its dramatic double-caldera landscape and status as one of Japan’s most isolated inhabited islands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Aogashima canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T10521691 — 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: Aogashima Context triple: [Nanpō Islands, contains, Aogashima]
-
A.
Sannō-jima
Sannō-jima is a small Japanese island that forms part of the remote Mukojima subgroup within the Ogasawara (Bonin) Islands in the Pacific Ocean.
-
B.
Nakōdo-jima
Nakōdo-jima is a small, uninhabited volcanic island in Japan’s Ogasawara (Bonin) archipelago, noted for its steep cliffs, rich marine life, and protected natural environment.
-
C.
Yome-jima
Yome-jima is a small uninhabited island that is part of the Ogasawara (Bonin) Islands chain in the Pacific Ocean, known for its rugged coastline and protected natural environment.
-
D.
Okamurajima
Okamurajima is a small Japanese island located in the Seto Inland Sea near Etajima in Hiroshima Prefecture, known for its scenic coastal landscapes and quiet rural character.
-
E.
Ikema-jima
Ikema-jima is a small coral island in Okinawa Prefecture, Japan, known for its traditional Ryukyuan culture, scenic coastline, and rich marine environment.
- 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: Aogashima Target entity description: Aogashima is a remote, volcanic island village in the Philippine Sea, known for its dramatic double-caldera landscape and status as one of Japan’s most isolated inhabited islands.
-
A.
Sannō-jima
Sannō-jima is a small Japanese island that forms part of the remote Mukojima subgroup within the Ogasawara (Bonin) Islands in the Pacific Ocean.
-
B.
Nakōdo-jima
Nakōdo-jima is a small, uninhabited volcanic island in Japan’s Ogasawara (Bonin) archipelago, noted for its steep cliffs, rich marine life, and protected natural environment.
-
C.
Yome-jima
Yome-jima is a small uninhabited island that is part of the Ogasawara (Bonin) Islands chain in the Pacific Ocean, known for its rugged coastline and protected natural environment.
-
D.
Okamurajima
Okamurajima is a small Japanese island located in the Seto Inland Sea near Etajima in Hiroshima Prefecture, known for its scenic coastal landscapes and quiet rural character.
-
E.
Ikema-jima
Ikema-jima is a small coral island in Okinawa Prefecture, Japan, known for its traditional Ryukyuan culture, scenic coastline, and rich marine environment.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
island
ⓘ
municipality ⓘ village ⓘ volcanic island ⓘ |
| accessMethod |
boat from Hachijō-jima
ⓘ
helicopter from Hachijō-jima ⓘ |
| area | about 5.98 square kilometres ⓘ |
| belongsToPrefectureLevel |
Tokyo Metropolis
ⓘ
linked to:
Tokyo Metropolis, Japan
|
| climate | humid subtropical climate ⓘ |
| country | Japan ⓘ |
| countrySubdivision | Japan ⓘ |
| distanceTo |
about 358 kilometres south of central Tokyo
ⓘ
about 71 kilometres south of Hachijō-jima ⓘ |
| economyBasedOn |
agriculture
ⓘ
fishing ⓘ shōchū production ⓘ |
| elevationOfHighestPoint | about 423 metres ⓘ |
| governedAs | village ⓘ |
| governingBody | Aogashima Village government ⓘ |
| hasEducationalInstitutionType |
elementary school
ⓘ
junior high school ⓘ |
| hasFeature |
double caldera
ⓘ
stratovolcano ⓘ |
| hasGeothermalActivity | true ⓘ |
| hasHeliport | Aogashima Heliport ⓘ |
| hasPort | Aogashima Port ⓘ |
| highestPoint | Ōtonbu ⓘ |
| isActiveVolcano | true ⓘ |
| isInhabitedPlace | true ⓘ |
| isIslandMunicipality | true ⓘ |
| isRemote | true ⓘ |
| knownFor |
being one of Japan’s most isolated inhabited islands
ⓘ
double-caldera topography ⓘ dramatic volcanic landscape ⓘ |
| languageUsed | Japanese ⓘ |
| lastEruption | 1780s ⓘ |
| lastMajorEruption | 1785 ⓘ |
| locatedIn |
Izu Islands
ⓘ
Philippine Sea ⓘ |
| locatedInAdministrativeTerritory |
Hachijō Subprefecture
ⓘ
linked to:
Ogasawara Subprefecture
Tokyo Metropolis ⓘ
linked to:
Tokyo Metropolis, Japan
|
| partOf | Nanpō Islands ⓘ |
| population | around 200 people ⓘ |
| populationAsOf | early 21st century ⓘ |
| postalCode | 100-1701 ⓘ |
| timeZone | Japan Standard Time ⓘ |
| usesGeothermalHeatFor | cooking ⓘ |
| volcanoType | basaltic stratovolcano ⓘ |
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: Aogashima Description of subject: Aogashima is a remote, volcanic island village in the Philippine Sea, known for its dramatic double-caldera landscape and status as one of Japan’s most isolated inhabited islands.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.