Hachijō-jima
E1021310
Hachijō-jima is a volcanic island in the Philippine Sea south of Tokyo, Japan, known for its subtropical climate, hot springs, and role as a former place of exile during the Edo period.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hachijō-jima canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T10521690 — 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: Hachijō-jima Context triple: [Nanpō Islands, contains, Hachijō-jima]
-
A.
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.
-
B.
Taisho-jima
Taisho-jima is one of the small, uninhabited islets in the disputed Senkaku Islands chain in the East China Sea.
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C.
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.
-
D.
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.
-
E.
Miyakojima
Miyakojima is a Japanese city located on the Miyako Islands, known for its subtropical climate, coral reefs, and some of the clearest beaches and diving spots in Okinawa.
- 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: Hachijō-jima Target entity description: Hachijō-jima is a volcanic island in the Philippine Sea south of Tokyo, Japan, known for its subtropical climate, hot springs, and role as a former place of exile during the Edo period.
-
A.
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.
-
B.
Taisho-jima
Taisho-jima is one of the small, uninhabited islets in the disputed Senkaku Islands chain in the East China Sea.
-
C.
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.
-
D.
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.
-
E.
Miyakojima
Miyakojima is a Japanese city located on the Miyako Islands, known for its subtropical climate, coral reefs, and some of the clearest beaches and diving spots in Okinawa.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese dialect
ⓘ
Japanese island ⓘ airport ⓘ town ⓘ traditional textile ⓘ volcanic island ⓘ volcanic island ⓘ volcanic peak ⓘ |
| connectedBy | ferry to Tokyo ⓘ |
| country | Japan ⓘ |
| elevation | 854 m ⓘ |
| governedBy | Tokyo Metropolitan Government NERFINISHED ⓘ |
| hasAirport | Hachijojima Airport NERFINISHED ⓘ |
| hasClimate | humid subtropical climate ⓘ |
| hasEcosystem | subtropical forest ⓘ |
| hasFeature |
black sand beaches
ⓘ
coastal cliffs ⓘ lava plateaus ⓘ |
| hasGeologicalOrigin | volcanic arc island ⓘ |
| hasHighestPoint | Mount Hachijō-fuji NERFINISHED ⓘ |
| hasHotSpringResort | Hachijō Onsen NERFINISHED ⓘ |
| hasLocalDialect | Hachijō Japanese NERFINISHED ⓘ |
| hasMunicipality | Hachijō, Tokyo NERFINISHED ⓘ |
| hasNativeLanguage | Japanese ⓘ |
| hasNearbyIsland | Aogashima NERFINISHED ⓘ |
| hasTimeZone | Japan Standard Time NERFINISHED ⓘ |
| hasTourismActivity |
hiking
ⓘ
scuba diving ⓘ whale watching ⓘ |
| hasTraditionalProduct | Hachijō-ori textile NERFINISHED ⓘ |
| hasVolcanicType | stratovolcano ⓘ |
| historicalUse | penal island during the Edo period ⓘ |
| knownFor |
former place of exile during the Edo period
ⓘ
hot springs ⓘ subtropical vegetation ⓘ |
| locatedIn |
Pacific Ocean
ⓘ
Philippine Sea NERFINISHED ⓘ |
| locatedInAdministrative | Tokyo Metropolis NERFINISHED ⓘ |
| locatedOn |
Hachijō-jima
NERFINISHED
ⓘ
Hachijō-jima NERFINISHED ⓘ Hachijō-jima NERFINISHED ⓘ |
| locatedSouthOf |
Hachijō-jima
NERFINISHED
ⓘ
Tokyo NERFINISHED ⓘ |
| originatesFrom | Hachijō-jima NERFINISHED ⓘ |
| partOf |
Izu Islands
NERFINISHED
ⓘ
Nanpō Islands NERFINISHED ⓘ |
| periodOfExileUse | Edo period ⓘ |
| spokenOn | Hachijō-jima NERFINISHED ⓘ |
| usedAsExileLocationBy | Tokugawa shogunate NERFINISHED ⓘ |
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: Hachijō-jima Description of subject: Hachijō-jima is a volcanic island in the Philippine Sea south of Tokyo, Japan, known for its subtropical climate, hot springs, and role as a former place of exile during the Edo period.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.