Ontake-san
E738297
Ontake-san is a sacred stratovolcano in central Japan, revered in Shinto and mountain worship traditions and known as the country’s second-highest volcano.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ontake-san canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8354613 — 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: Ontake-san Context triple: [Mount Ontake, alternateName, Ontake-san]
-
A.
Ontakekyo
Ontakekyo is a Shinto religious group centered on the worship and mountain ascetic practices associated with Mount Ontake in Japan.
-
B.
Mount Tomuraushi
Mount Tomuraushi is a prominent volcanic peak in central Hokkaido, Japan, known for its alpine landscapes, hiking routes, and role as one of the major summits in the Daisetsuzan mountain range.
-
C.
Nakadake
Nakadake is one of the principal volcanic peaks of the active Sakurajima volcano in Kagoshima Prefecture, Japan.
-
D.
Nakadake
Nakadake is the most active central crater of Japan’s Mount Aso volcano, known for its frequent eruptions and acidic crater lake.
-
E.
Mount Towada
Mount Towada is a large stratovolcano in northern Honshu, Japan, best known for its scenic caldera lake and surrounding national park landscapes.
- 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: Ontake-san Target entity description: Ontake-san is a sacred stratovolcano in central Japan, revered in Shinto and mountain worship traditions and known as the country’s second-highest volcano.
-
A.
Ontakekyo
Ontakekyo is a Shinto religious group centered on the worship and mountain ascetic practices associated with Mount Ontake in Japan.
-
B.
Mount Tomuraushi
Mount Tomuraushi is a prominent volcanic peak in central Hokkaido, Japan, known for its alpine landscapes, hiking routes, and role as one of the major summits in the Daisetsuzan mountain range.
-
C.
Nakadake
Nakadake is one of the principal volcanic peaks of the active Sakurajima volcano in Kagoshima Prefecture, Japan.
-
D.
Nakadake
Nakadake is the most active central crater of Japan’s Mount Aso volcano, known for its frequent eruptions and acidic crater lake.
-
E.
Mount Towada
Mount Towada is a large stratovolcano in northern Honshu, Japan, best known for its scenic caldera lake and surrounding national park landscapes.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
active volcano
ⓘ
mountain ⓘ stratovolcano ⓘ |
| 2014EruptionFatalities |
one of Japan’s deadliest postwar volcanic disasters
ⓘ
over 60 people ⓘ |
| alsoKnownAs | Mount Ontake ⓘ |
| country | Japan ⓘ |
| culturalSignificance | important center of folk religion and mountain worship in Japan ⓘ |
| elevation |
3067 m
ⓘ
approximately 3067 meters above sea level ⓘ |
| eruption |
1979 eruption
ⓘ
2014 phreatic eruption ⓘ |
| eruptionType | phreatic eruption ⓘ |
| geologicalSetting | volcanic arc associated with subduction of the Pacific Plate ⓘ |
| hasClimbingSeason | summer ⓘ |
| hasCraterLakes | yes ⓘ |
| hasFacilities |
mountain huts
ⓘ
ropeway (gondola) access ⓘ |
| hasFeature |
lava domes
ⓘ
multiple summit peaks ⓘ |
| hasJapaneseName | 御嶽山 ⓘ |
| hasNumberOfCraterLakes | five ⓘ |
| hasPilgrimageRoutes | multiple traditional ascetic routes ⓘ |
| hasShrine | Ontake Shrine ⓘ |
| hasUse |
hiking destination
ⓘ
pilgrimage site ⓘ site of mountain worship ⓘ skiing area ⓘ |
| hazardLevel | active volcano with potential for sudden phreatic eruptions ⓘ |
| isMonitoredBy | Japan Meteorological Agency ⓘ |
| isPartOf | Japanese Alps region ⓘ |
| isSacredTo |
Shinto practitioners
ⓘ
Shugendō ascetics ⓘ
linked to:
Shugendō
practitioners of Ontake-kyō ⓘ |
| lastMajorEruptionYear | 2014 ⓘ |
| locatedIn |
Gifu Prefecture
NERFINISHED
ⓘ
Nagano Prefecture ⓘ central Japan ⓘ |
| mountainRange | Kiso Mountains ⓘ |
| nearCity |
Gero
ⓘ
Kiso ⓘ |
| ranking | second-highest volcano in Japan ⓘ |
| religion |
Shinto
ⓘ
Shugendō ⓘ |
| romanization | Ontake-san ⓘ |
| volcanoType | andesitic stratovolcano ⓘ |
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: Ontake-san Description of subject: Ontake-san is a sacred stratovolcano in central Japan, revered in Shinto and mountain worship traditions and known as the country’s second-highest volcano.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.