Owakudani volcanic valley
E889150
Owakudani volcanic valley is a geothermal area in Hakone, Japan, famous for its active sulfur vents, hot springs, and scenic views of Mount Fuji.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Owakudani geothermal area | 2 |
| Owakudani volcanic valley canonical | 2 |
| Owakudani geothermal valley | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10817672 — 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: Owakudani volcanic valley Context triple: [Hakone, knownFor, Owakudani volcanic valley]
-
A.
Takachiho Gorge
Takachiho Gorge is a dramatic, narrow chasm in Miyazaki Prefecture, Japan, famed for its sheer basalt cliffs, waterfalls, and scenic boat rides along the Gokase River.
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B.
Minamidake crater
Minamidake crater is a principal active summit crater of the Sakurajima volcano in Kagoshima Prefecture, Japan, known for frequent explosive eruptions.
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C.
Showa crater
Showa crater is one of the main active vents of the Sakurajima volcano in Japan, known for its frequent explosive eruptions and ash emissions.
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D.
Shikotsu caldera
Shikotsu caldera is a large volcanic depression in Hokkaido, Japan, known for its scenic caldera lake and geothermal features.
-
E.
Takachiho
Takachiho is a town in Miyazaki Prefecture, Japan, famed in mythology as a sacred site of the Japanese creation legends and early imperial origins.
- 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: Owakudani volcanic valley Target entity description: Owakudani volcanic valley is a geothermal area in Hakone, Japan, famous for its active sulfur vents, hot springs, and scenic views of Mount Fuji.
-
A.
Takachiho Gorge
Takachiho Gorge is a dramatic, narrow chasm in Miyazaki Prefecture, Japan, famed for its sheer basalt cliffs, waterfalls, and scenic boat rides along the Gokase River.
-
B.
Minamidake crater
Minamidake crater is a principal active summit crater of the Sakurajima volcano in Kagoshima Prefecture, Japan, known for frequent explosive eruptions.
-
C.
Showa crater
Showa crater is one of the main active vents of the Sakurajima volcano in Japan, known for its frequent explosive eruptions and ash emissions.
-
D.
Shikotsu caldera
Shikotsu caldera is a large volcanic depression in Hokkaido, Japan, known for its scenic caldera lake and geothermal features.
-
E.
Takachiho
Takachiho is a town in Miyazaki Prefecture, Japan, famed in mythology as a sacred site of the Japanese creation legends and early imperial origins.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
geothermal area
ⓘ
volcanic valley ⓘ |
| climate | temperate ⓘ |
| country | Japan ⓘ |
| eggColor | black ⓘ |
| eggColorCause | sulfur and iron reaction on shell ⓘ |
| elevation | approximately 1000 meters above sea level ⓘ |
| formationPeriod | after last major eruption of Mount Hakone ⓘ |
| hasAccess |
Hakone Ropeway
ⓘ
bus ⓘ road ⓘ |
| hasActivity |
hiking (surrounding area)
ⓘ
hot spring bathing (nearby facilities) ⓘ sightseeing ⓘ |
| hasFeature |
fumaroles
ⓘ
hot springs ⓘ hydrogen sulfide gas emissions ⓘ steam plumes ⓘ sulfur vents ⓘ |
| hasGeologicalOrigin | volcanic activity ⓘ |
| hasLanguageOfSignage |
English
ⓘ
Japanese ⓘ |
| hasNearbyCity |
Odawara
ⓘ
Yokohama ⓘ |
| hasOdor | strong sulfur smell ⓘ |
| hasProduct |
Kuro-tamago
ⓘ
eggs boiled in hot springs ⓘ |
| hasRestriction | access may be limited during high volcanic activity ⓘ |
| hasSignage | gas hazard warnings ⓘ |
| hasViewOf | Mount Fuji ⓘ |
| hasWarning | volcanic gas health risks ⓘ |
| knownFor |
black eggs
ⓘ
geothermal activity ⓘ scenic views ⓘ tourism ⓘ |
| locatedIn |
Fuji-Hakone-Izu National Park
ⓘ
Hakone ⓘ Honshu ⓘ Kanagawa Prefecture ⓘ |
| locatedOnVolcano | Mount Hakone ⓘ |
| managedBy | local authorities of Hakone ⓘ |
| partOf |
Fuji-Hakone-Izu volcanic region
ⓘ
linked to:
Fuji Volcanic Zone
Hakone tourist area ⓘ
linked to:
Hakone
|
| region | Kantō region ⓘ |
| safetyMeasure |
restricted zones around active vents
ⓘ
temporary closures during elevated alert levels ⓘ |
| touristAttractionType |
geological attraction
ⓘ
natural attraction ⓘ |
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: Owakudani volcanic valley Description of subject: Owakudani volcanic valley is a geothermal area in Hakone, Japan, famous for its active sulfur vents, hot springs, and scenic views of Mount Fuji.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Owakudani volcanic valley
linked to: Owakudani volcanic valley
linked to: Owakudani volcanic valley