Akan Caldera
E374540
Akan Caldera is a large volcanic caldera in eastern Hokkaido, Japan, known for its scenic crater lakes, geothermal features, and active volcanic landscape.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Akan Caldera canonical | 1 |
| Akan caldera | 1 |
| Kussharo Caldera | 1 |
| Mashu Caldera | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3629409 — 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: Akan Caldera Context triple: [Akan-Mashu National Park, hasPart, Akan Caldera]
-
A.
Tao-Rusyr Caldera
Tao-Rusyr Caldera is a large volcanic caldera and prominent geological feature located on Onekotan Island in Russia’s Kuril Island chain.
-
B.
Juriques volcano
Juriques volcano is a stratovolcano on the Bolivia–Chile border in the Andes, known for its prominent conical shape and proximity to the better-known Licancabur volcano.
-
C.
Uzon caldera
Uzon caldera is a large volcanic depression in Russia’s Kamchatka Peninsula, renowned for its active geothermal features, hot springs, and diverse volcanic landscapes within the Kamchatka volcanic arc.
-
D.
Caldera
Caldera is a coastal Chilean port city known for its beaches, fishing industry, and role as a gateway to the Atacama Desert.
-
E.
Tiatia Volcano
Tiatia Volcano is an active stratovolcano located in the Kuril Islands chain in the northwest Pacific Ocean.
- 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: Akan Caldera Target entity description: Akan Caldera is a large volcanic caldera in eastern Hokkaido, Japan, known for its scenic crater lakes, geothermal features, and active volcanic landscape.
-
A.
Tao-Rusyr Caldera
Tao-Rusyr Caldera is a large volcanic caldera and prominent geological feature located on Onekotan Island in Russia’s Kuril Island chain.
-
B.
Juriques volcano
Juriques volcano is a stratovolcano on the Bolivia–Chile border in the Andes, known for its prominent conical shape and proximity to the better-known Licancabur volcano.
-
C.
Uzon caldera
Uzon caldera is a large volcanic depression in Russia’s Kamchatka Peninsula, renowned for its active geothermal features, hot springs, and diverse volcanic landscapes within the Kamchatka volcanic arc.
-
D.
Caldera
Caldera is a coastal Chilean port city known for its beaches, fishing industry, and role as a gateway to the Atacama Desert.
-
E.
Tiatia Volcano
Tiatia Volcano is an active stratovolcano located in the Kuril Islands chain in the northwest Pacific Ocean.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
volcanic caldera ⓘ |
| country | Japan ⓘ |
| eruptionType |
explosive eruption
ⓘ
phreatic eruption ⓘ |
| geologicalAge | Quaternary ⓘ |
| hasEcosystem |
boreal forest
ⓘ
lake ecosystem ⓘ |
| hasFeature |
crater lake
ⓘ
fumarole ⓘ geothermal area ⓘ hot spring ⓘ lava dome ⓘ stratovolcano ⓘ |
| hasHazard |
ash fall
ⓘ
phreatic explosion ⓘ volcanic gas emission ⓘ |
| hasLake |
Lake Akan
ⓘ
Lake Kussharo ⓘ Lake Mashu ⓘ |
| hasPart |
Lake Akan
ⓘ
Lake Kussharo ⓘ Lake Mashu ⓘ Meakan-dake NERFINISHED ⓘ Mount Akan Fuji NERFINISHED ⓘ Mount Meakan NERFINISHED ⓘ Mount Oakan ⓘ Oakan-dake NERFINISHED ⓘ |
| isActive | true ⓘ |
| knownFor |
active volcanic landscape
ⓘ
geothermal features ⓘ scenic crater lakes ⓘ tourism ⓘ |
| locatedIn |
Akan-Mashu National Park
ⓘ
surface form:
Akan Mashu National Park
Hokkaido ⓘ Kushiro Subprefecture ⓘ eastern Hokkaido ⓘ |
| near |
Akan Onsen
ⓘ
Teshikaga NERFINISHED ⓘ |
| partOf |
Akan volcanic complex
ⓘ
surface form:
Akan Volcanic Complex
Pacific Ring of Fire ⓘ |
| protectedAreaStatus | national park ⓘ |
| region |
eastern Hokkaido
ⓘ
surface form:
Eastern Hokkaido
|
| touristActivity |
hiking
ⓘ
hot spring bathing ⓘ sightseeing ⓘ |
| volcanicArcOrBelt |
Kuril Islands
ⓘ
surface form:
Kurile Arc
|
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: Akan Caldera Description of subject: Akan Caldera is a large volcanic caldera in eastern Hokkaido, Japan, known for its scenic crater lakes, geothermal features, and active volcanic landscape.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mashu Caldera
this entity surface form:
Kussharo Caldera