Arjuno-Welirang volcanic complex
E643949
The Arjuno-Welirang volcanic complex is a twin-peaked stratovolcano system in East Java, Indonesia, known for its active fumaroles, sulfur mining, and popular hiking routes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Arjuno-Welirang volcanic complex canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7133339 — 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: Arjuno-Welirang volcanic complex Context triple: [Mount Arjuno, partOf, Arjuno-Welirang volcanic complex]
-
A.
Galunggung volcano
Galunggung volcano is an active stratovolcano in West Java, Indonesia, known for its explosive 1982 eruption that significantly disrupted regional air traffic.
-
B.
Kerinci Volcano
Kerinci Volcano is an active stratovolcano in Sumatra, Indonesia, and the highest peak on the island as well as the tallest volcano in the country.
-
C.
Tangkuban Perahu
Tangkuban Perahu is a popular stratovolcano in West Java, Indonesia, known for its distinctive boat-like shape and easily accessible craters.
-
D.
Mount Kelud
Mount Kelud is an active stratovolcano in Indonesia known for its explosive eruptions and significant impact on the surrounding East Java region.
-
E.
Ekarma Volcano
Ekarma Volcano is an active stratovolcano forming the uninhabited island of Ekarma in the central Kuril Islands chain of the northwest Pacific.
- 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: Arjuno-Welirang volcanic complex Target entity description: The Arjuno-Welirang volcanic complex is a twin-peaked stratovolcano system in East Java, Indonesia, known for its active fumaroles, sulfur mining, and popular hiking routes.
-
A.
Galunggung volcano
Galunggung volcano is an active stratovolcano in West Java, Indonesia, known for its explosive 1982 eruption that significantly disrupted regional air traffic.
-
B.
Kerinci Volcano
Kerinci Volcano is an active stratovolcano in Sumatra, Indonesia, and the highest peak on the island as well as the tallest volcano in the country.
-
C.
Tangkuban Perahu
Tangkuban Perahu is a popular stratovolcano in West Java, Indonesia, known for its distinctive boat-like shape and easily accessible craters.
-
D.
Mount Kelud
Mount Kelud is an active stratovolcano in Indonesia known for its explosive eruptions and significant impact on the surrounding East Java region.
-
E.
Ekarma Volcano
Ekarma Volcano is an active stratovolcano forming the uninhabited island of Ekarma in the central Kuril Islands chain of the northwest Pacific.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | volcanic complex ⓘ |
| accessFrom | Surabaya NERFINISHED ⓘ |
| climate | tropical monsoon ⓘ |
| country | Indonesia ⓘ |
| elevation |
3156 m (Mount Welirang)
ⓘ
3339 m (Mount Arjuno) ⓘ |
| geologicalAge | Quaternary ⓘ |
| hasActiveFumaroles | Welirang crater NERFINISHED ⓘ |
| hasCrater | Welirang crater NERFINISHED ⓘ |
| hasEconomicActivity | small-scale sulfur mining ⓘ |
| hasFumarolicActivity | yes ⓘ |
| hasHotSprings | yes ⓘ |
| hasPart |
Mount Arjuno
NERFINISHED
ⓘ
Mount Welirang NERFINISHED ⓘ |
| hasSulfurDeposits | yes ⓘ |
| hasTrailhead |
Batu
NERFINISHED
ⓘ
Lawang NERFINISHED ⓘ Tretes NERFINISHED ⓘ |
| hasVegetationZone |
montane forest
ⓘ
subalpine shrubland ⓘ |
| hazardType |
phreatic eruption potential
ⓘ
volcanic gas emission ⓘ |
| isPopularWith |
hikers
ⓘ
tourists ⓘ |
| isTwinPeaked | yes ⓘ |
| languageOfName | Indonesian ⓘ |
| lastEruption | 20th century ⓘ |
| locatedIn | East Java ⓘ |
| locatedNear |
Malang
NERFINISHED
ⓘ
Mojokerto NERFINISHED ⓘ Pasuruan NERFINISHED ⓘ |
| locatedOn | Java NERFINISHED ⓘ |
| monitoredBy | Center for Volcanology and Geological Hazard Mitigation (Indonesia) NERFINISHED ⓘ |
| mountainRange | Bromo-Tengger-Semeru volcanic area NERFINISHED ⓘ |
| namedAfter |
Mount Arjuno
NERFINISHED
ⓘ
Mount Welirang NERFINISHED ⓘ |
| partOf | Ring of Fire NERFINISHED ⓘ |
| prominence | >1000 m ⓘ |
| region | Java Timur (East Java) NERFINISHED ⓘ |
| tectonicSetting | Sunda Arc NERFINISHED ⓘ |
| tourismActivity |
camping
ⓘ
trekking ⓘ |
| usedFor |
hiking
ⓘ
mountaineering ⓘ sulfur mining ⓘ |
| volcanicArcOrBelt | Sunda Arc NERFINISHED ⓘ |
| volcanoType | 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: Arjuno-Welirang volcanic complex Description of subject: The Arjuno-Welirang volcanic complex is a twin-peaked stratovolcano system in East Java, Indonesia, known for its active fumaroles, sulfur mining, and popular hiking routes.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.