Onekotan
E211240
Onekotan is a remote volcanic island in Russia's Kuril Islands chain, known for its dramatic caldera lakes and rugged, uninhabited landscape.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Onekotan canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1234039 — 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: Onekotan Context triple: [Kuril Islands, hasMajorIsland, Onekotan]
-
A.
Deshima
Deshima was a small artificial island in Nagasaki Bay that served as the Dutch East India Company’s exclusive trading post and Japan’s primary window to the West during its period of national isolation.
-
B.
Minamiawaji
Minamiawaji is a coastal city located on the southern part of Awaji Island in Japan, known for its scenic landscapes, agriculture, and role as a gateway between Honshu and Shikoku.
-
C.
Awaji
Awaji is a city located on Awaji Island in Japan, known for its scenic coastal landscapes, agriculture, and role as a gateway between Honshu and Shikoku.
-
D.
Shikotan
Shikotan is a small, sparsely populated island in the southern Kuril chain, known for its rich fishing grounds and as part of a long-standing territorial dispute between Russia and Japan.
-
E.
Ota, Japan
Ōta is a special ward in Tokyo, Japan, known for Haneda Airport, its coastal location on Tokyo Bay, and a mix of residential, industrial, and commercial districts.
- 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: Onekotan Target entity description: Onekotan is a remote volcanic island in Russia's Kuril Islands chain, known for its dramatic caldera lakes and rugged, uninhabited landscape.
-
A.
Deshima
Deshima was a small artificial island in Nagasaki Bay that served as the Dutch East India Company’s exclusive trading post and Japan’s primary window to the West during its period of national isolation.
-
B.
Minamiawaji
Minamiawaji is a coastal city located on the southern part of Awaji Island in Japan, known for its scenic landscapes, agriculture, and role as a gateway between Honshu and Shikoku.
-
C.
Awaji
Awaji is a city located on Awaji Island in Japan, known for its scenic coastal landscapes, agriculture, and role as a gateway between Honshu and Shikoku.
-
D.
Shikotan
Shikotan is a small, sparsely populated island in the southern Kuril chain, known for its rich fishing grounds and as part of a long-standing territorial dispute between Russia and Japan.
-
E.
Ota, Japan
Ōta is a special ward in Tokyo, Japan, known for Haneda Airport, its coastal location on Tokyo Bay, and a mix of residential, industrial, and commercial districts.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
island
ⓘ
volcanic island ⓘ |
| archipelago | Kuril Islands ⓘ |
| country | Russia ⓘ |
| currentStatus | part of the Russian Far East ⓘ |
| elevation | about 1019 m ⓘ |
| hasCaldera | Tao-Rusyr Caldera ⓘ |
| hasClimate | subarctic maritime climate ⓘ |
| hasCoastlineType |
cliffed
ⓘ
rocky ⓘ |
| hasFeature |
caldera lake
ⓘ
rugged coastline ⓘ steep cliffs ⓘ stratovolcano ⓘ volcanic cones ⓘ |
| hasHistoricalControl |
Imperial Japan
ⓘ
surface form:
Empire of Japan
Russian Empire ⓘ |
| hasLake |
Lake Koltsevoye
ⓘ
caldera lake in Tao-Rusyr Caldera ⓘ |
| hasNorthernVolcanicMassif | Nemo Peak ⓘ |
| hasSouthernVolcanicMassif | Tao-Rusyr ⓘ |
| hasVegetation |
dwarf shrubs
ⓘ
grasses and mosses ⓘ tundra ⓘ |
| highestPoint | Nemo Peak ⓘ |
| knownFor |
dramatic caldera lakes
ⓘ
remote uninhabited landscape ⓘ volcanic scenery ⓘ |
| length | about 42 km ⓘ |
| locatedIn |
Kuril Islands
ⓘ
Pacific Ocean ⓘ
surface form:
North Pacific Ocean
Sea of Okhotsk ⓘ |
| locatedInAdministrativeTerritory |
Yuzhno-Kurilsky District
ⓘ
surface form:
Kurilsky District
Sakhalin Oblast ⓘ |
| mountain | Nemo Peak ⓘ |
| partOf |
Kuril–Kamchatka volcanic arc
ⓘ
surface form:
Greater Kuril Chain
|
| population | 0 permanent inhabitants ⓘ |
| separatedByStrait |
Kuril straits
ⓘ
surface form:
Fourth Kuril Strait
Krusenstern Strait ⓘ
surface form:
Severo-Kurilsky Strait
|
| separatedFrom |
Kharimkotan
ⓘ
Makanrushi ⓘ Paramushir ⓘ |
| shape | roughly oval ⓘ |
| sovereignState |
Russia
ⓘ
surface form:
Russian Federation
|
| tectonicSetting |
Kuril–Kamchatka subduction system
ⓘ
surface form:
Kuril–Kamchatka subduction zone
|
| uninhabited | true ⓘ |
| volcanicArc |
Kuril–Kamchatka volcanic arc
ⓘ
surface form:
Kuril Island Arc
|
| volcano | Nemo Peak ⓘ |
| width | up to about 17 km ⓘ |
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: Onekotan Description of subject: Onekotan is a remote volcanic island in Russia's Kuril Islands chain, known for its dramatic caldera lakes and rugged, uninhabited landscape.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.