Minami Iwo Jima
E129900
Minami Iwo Jima is a remote, uninhabited volcanic island in the Pacific Ocean that forms part of Japan’s Ogasawara (Bonin) archipelago and is noted for its steep cliffs and rich marine and bird life.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Minami Iwo Jima canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1128881 — 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: Minami Iwo Jima Context triple: [Ogasawara Islands, hasPart, Minami Iwo Jima]
-
A.
Iwo Jima
Iwo Jima is a small volcanic island in the western Pacific Ocean, historically significant as the site of a major World War II battle between the United States and Japan.
-
B.
Etajima
Etajima is a city in Hiroshima Prefecture, Japan, historically known as the site of the Imperial Japanese Naval Academy.
-
C.
Etajima Island
Etajima Island is a Japanese island in Hiroshima Prefecture best known as the historic site of the former Imperial Japanese Naval Academy.
-
D.
Ushijima
Ushijima is a Japanese surname borne by various notable individuals, including military figures and fictional characters.
-
E.
Rokkō Island
Rokkō Island is a large man-made island in Kobe, Japan, known for its residential areas, commercial facilities, and port-related infrastructure in Osaka Bay.
- 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: Minami Iwo Jima Target entity description: Minami Iwo Jima is a remote, uninhabited volcanic island in the Pacific Ocean that forms part of Japan’s Ogasawara (Bonin) archipelago and is noted for its steep cliffs and rich marine and bird life.
-
A.
Iwo Jima
Iwo Jima is a small volcanic island in the western Pacific Ocean, historically significant as the site of a major World War II battle between the United States and Japan.
-
B.
Etajima
Etajima is a city in Hiroshima Prefecture, Japan, historically known as the site of the Imperial Japanese Naval Academy.
-
C.
Etajima Island
Etajima Island is a Japanese island in Hiroshima Prefecture best known as the historic site of the former Imperial Japanese Naval Academy.
-
D.
Ushijima
Ushijima is a Japanese surname borne by various notable individuals, including military figures and fictional characters.
-
E.
Rokkō Island
Rokkō Island is a large man-made island in Kobe, Japan, known for its residential areas, commercial facilities, and port-related infrastructure in Osaka Bay.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
uninhabited island
ⓘ
volcanic island ⓘ |
| access |
by boat only
ⓘ
restricted ⓘ |
| administrativeDivision | Ogasawara Subprefecture ⓘ |
| archipelago |
Ogasawara Islands
ⓘ
surface form:
Ogasawara (Bonin) archipelago
|
| belongsTo | Japanese archipelago ⓘ |
| climate | subtropical ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| formedBy | volcanic activity ⓘ |
| geologicalType | stratovolcano ⓘ |
| hasBiodiversity | high ⓘ |
| hasCharacteristic |
remote
ⓘ
rich bird life ⓘ rich marine life ⓘ steep sea cliffs ⓘ uninhabited ⓘ volcanic ⓘ |
| hasEcosystem |
marine ecosystem
ⓘ
seabird nesting habitat ⓘ |
| hasFeature |
cliffs
ⓘ
coastal cliffs ⓘ |
| hasImportance | important seabird breeding site ⓘ |
| hasSurroundingWaters | rich fishing grounds ⓘ |
| humanSettlement | none ⓘ |
| inhabited | no ⓘ |
| islandGroup | Volcano Islands ⓘ |
| JapaneseName | 南硫黄島 ⓘ |
| locatedIn |
Ogasawara Islands
ⓘ
surface form:
Bonin Islands
Ogasawara Islands ⓘ Pacific Ocean ⓘ |
| locatedSouthOf | Iwo Jima ⓘ |
| nameMeaning | South Sulfur Island NERFINISHED ⓘ |
| partOf |
Ogasawara Village
ⓘ
surface form:
Ogasawara municipality
Tokyo Prefecture ⓘ
surface form:
Tokyo Metropolis
|
| population | 0 ⓘ |
| protectedStatus | restricted access area ⓘ |
| region | Philippine Sea ⓘ |
| sovereignState | Japan ⓘ |
| usedFor | nature conservation ⓘ |
| volcanicOrigin | yes ⓘ |
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: Minami Iwo Jima Description of subject: Minami Iwo Jima is a remote, uninhabited volcanic island in the Pacific Ocean that forms part of Japan’s Ogasawara (Bonin) archipelago and is noted for its steep cliffs and rich marine and bird life.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Ogasawara, Tokyo