Omura on Chichijima
E170320
Omura on Chichijima is the principal village and administrative center of Chichijima Island in Japan’s remote Ogasawara (Bonin) archipelago.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Omura on Chichijima canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1128901 — 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: Omura on Chichijima Context triple: [Ogasawara Islands, mainSettlement, Omura on Chichijima]
-
A.
Hahajima
Hahajima is a remote, subtropical island in Japan’s Ogasawara (Bonin) archipelago, known for its rugged terrain, rich endemic biodiversity, and relative isolation.
-
B.
Etajima Island
Etajima Island is a Japanese island in Hiroshima Prefecture best known as the historic site of the former Imperial Japanese Naval Academy.
-
C.
Iōjima
Iōjima, more widely known as Iwo Jima, is a small volcanic island in the Pacific Ocean famous as the site of a major World War II battle between Japan and the United States.
-
D.
Ono Island
Ono Island is a privately developed residential barrier island community located near the Alabama–Florida Gulf Coast.
-
E.
Mukojima Islands
The Mukojima Islands are a small, remote sub-group of the Ogasawara (Bonin) Islands in the Pacific Ocean, known for their uninhabited status and rich, protected natural ecosystems.
- 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: Omura on Chichijima Target entity description: Omura on Chichijima is the principal village and administrative center of Chichijima Island in Japan’s remote Ogasawara (Bonin) archipelago.
-
A.
Hahajima
Hahajima is a remote, subtropical island in Japan’s Ogasawara (Bonin) archipelago, known for its rugged terrain, rich endemic biodiversity, and relative isolation.
-
B.
Etajima Island
Etajima Island is a Japanese island in Hiroshima Prefecture best known as the historic site of the former Imperial Japanese Naval Academy.
-
C.
Iōjima
Iōjima, more widely known as Iwo Jima, is a small volcanic island in the Pacific Ocean famous as the site of a major World War II battle between Japan and the United States.
-
D.
Ono Island
Ono Island is a privately developed residential barrier island community located near the Alabama–Florida Gulf Coast.
-
E.
Mukojima Islands
The Mukojima Islands are a small, remote sub-group of the Ogasawara (Bonin) Islands in the Pacific Ocean, known for their uninhabited status and rich, protected natural ecosystems.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
administrative center
ⓘ
settlement ⓘ village ⓘ |
| administrativeDivision |
Ogasawara, Tokyo
ⓘ
Tokyo Metropolis ⓘ
linked to:
Tokyo Prefecture
|
| archipelago |
Bonin Islands
ⓘ
linked to:
Ogasawara Islands
Ogasawara Islands ⓘ |
| belongsTo |
Ogasawara municipality
ⓘ
linked to:
Ogasawara Village
|
| country | Japan ⓘ |
| hasFunction | local government center for Chichijima ⓘ |
| hasJapaneseName | 大村 ⓘ |
| island | Chichijima ⓘ |
| locatedIn |
Bonin Islands
ⓘ
linked to:
Ogasawara Islands
Chichijima ⓘ Japan ⓘ Ogasawara Islands ⓘ Ogasawara archipelago ⓘ
linked to:
Ogasawara Islands
Ogasawara, Tokyo ⓘ Philippine Sea ⓘ Tokyo Metropolis ⓘ
linked to:
Tokyo Prefecture
|
| locatedOn |
Chichijima Island
ⓘ
linked to:
Chichijima
|
| municipality | Ogasawara Village ⓘ |
| partOf | Ogasawara Village ⓘ |
| region |
Northwestern Pacific Ocean
ⓘ
remote Pacific Ocean ⓘ |
| role |
administrative center of Chichijima Island
ⓘ
principal village of Chichijima ⓘ |
| timeZone | Japan Standard Time ⓘ |
| transportRole | main port area of Chichijima ⓘ |
| utcOffset | +09:00 ⓘ |
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: Omura on Chichijima Description of subject: Omura on Chichijima is the principal village and administrative center of Chichijima Island in Japan’s remote Ogasawara (Bonin) archipelago.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.