Irazú Volcano
E157690
Irazú Volcano is an active stratovolcano in central Costa Rica known for its large crater, acidic green lake, and panoramic views over both the Pacific and Caribbean on clear days.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Irazú Volcano canonical | 9 |
| Volcán Irazú | 3 |
| Irazú Volcano area | 1 |
| Irazú Volcano complex | 1 |
| Irazú Volcano region | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1383871 — 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: Irazú Volcano Context triple: [San José, locatedNearVolcano, Irazú Volcano]
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A.
Concepción Volcano
Concepción Volcano is an active stratovolcano forming part of Ometepe Island in Lake Nicaragua, known for its near-perfect cone shape and frequent eruptions.
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B.
Momotombo Volcano
Momotombo Volcano is a prominent active stratovolcano in western Nicaragua, known for its symmetrical cone shape and historical eruptions overlooking Lake Managua.
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C.
Ollagüe volcano
Ollagüe volcano is a large, active stratovolcano straddling the border between Chile and Bolivia in the high Andes, noted for its persistent fumarolic activity and extensive lava flows.
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D.
Apoyeque Volcano
Apoyeque Volcano is a large, water-filled caldera and active volcanic complex forming part of the Chiltepe Peninsula in western Nicaragua.
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E.
San Pedro volcano
San Pedro volcano is a prominent stratovolcano in northern Chile’s Andes, known for its high elevation, arid surroundings, and association with the Central Volcanic Zone.
- 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: Irazú Volcano Target entity description: Irazú Volcano is an active stratovolcano in central Costa Rica known for its large crater, acidic green lake, and panoramic views over both the Pacific and Caribbean on clear days.
-
A.
Concepción Volcano
Concepción Volcano is an active stratovolcano forming part of Ometepe Island in Lake Nicaragua, known for its near-perfect cone shape and frequent eruptions.
-
B.
Momotombo Volcano
Momotombo Volcano is a prominent active stratovolcano in western Nicaragua, known for its symmetrical cone shape and historical eruptions overlooking Lake Managua.
-
C.
Ollagüe volcano
Ollagüe volcano is a large, active stratovolcano straddling the border between Chile and Bolivia in the high Andes, noted for its persistent fumarolic activity and extensive lava flows.
-
D.
Apoyeque Volcano
Apoyeque Volcano is a large, water-filled caldera and active volcanic complex forming part of the Chiltepe Peninsula in western Nicaragua.
-
E.
San Pedro volcano
San Pedro volcano is a prominent stratovolcano in northern Chile’s Andes, known for its high elevation, arid surroundings, and association with the Central Volcanic Zone.
- F. None of above. chosen
Statements (46)
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: Irazú Volcano Description of subject: Irazú Volcano is an active stratovolcano in central Costa Rica known for its large crater, acidic green lake, and panoramic views over both the Pacific and Caribbean on clear days.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Irazú Volcano
linked to: Irazú Volcano
linked to: Irazú Volcano
linked to: Irazú Volcano
subject linked to:
Costa Rican Volcanic Mountain Ranges
linked to: Irazú Volcano