Ubajara Cave
E601843
Ubajara Cave is a notable limestone cavern in northeastern Brazil renowned for its impressive speleothems and underground chambers, accessible via trails and a cable car within Ubajara National Park.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ubajara Cave canonical | 3 |
| Gruta de Ubajara | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6504855 — 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: Ubajara Cave Context triple: [Ubajara National Park, knownFor, Ubajara Cave]
-
A.
Binbash-Koba Cave
Binbash-Koba Cave is a notable karst cave located in the Chatyr-Dag mountain massif of Crimea, known for its geological formations and speleological interest.
-
B.
Sunyaragi Cave
Sunyaragi Cave is a historic water palace and cave complex in Cirebon, Indonesia, notable for its unique blend of Javanese, Islamic, and European architectural influences and its use as a royal retreat and meditation site.
-
C.
Gyokusendo Cave
Gyokusendo Cave is a vast and spectacular limestone cave in Okinawa, Japan, famed for its extensive stalactites, underground river, and role as a major tourist attraction.
-
D.
Hinayagan Cave
Hinayagan Cave is a scenic limestone cave in Surigao del Sur, Philippines, known for its impressive rock formations, natural skylights, and underground river that attract adventure and nature tourists.
-
E.
Mimosa Cave
Mimosa Cave is a paleontologically and archaeologically significant cave site located within South Africa’s Cradle of Humankind World Heritage area.
- 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: Ubajara Cave Target entity description: Ubajara Cave is a notable limestone cavern in northeastern Brazil renowned for its impressive speleothems and underground chambers, accessible via trails and a cable car within Ubajara National Park.
-
A.
Binbash-Koba Cave
Binbash-Koba Cave is a notable karst cave located in the Chatyr-Dag mountain massif of Crimea, known for its geological formations and speleological interest.
-
B.
Sunyaragi Cave
Sunyaragi Cave is a historic water palace and cave complex in Cirebon, Indonesia, notable for its unique blend of Javanese, Islamic, and European architectural influences and its use as a royal retreat and meditation site.
-
C.
Gyokusendo Cave
Gyokusendo Cave is a vast and spectacular limestone cave in Okinawa, Japan, famed for its extensive stalactites, underground river, and role as a major tourist attraction.
-
D.
Hinayagan Cave
Hinayagan Cave is a scenic limestone cave in Surigao del Sur, Philippines, known for its impressive rock formations, natural skylights, and underground river that attract adventure and nature tourists.
-
E.
Mimosa Cave
Mimosa Cave is a paleontologically and archaeologically significant cave site located within South Africa’s Cradle of Humankind World Heritage area.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
limestone cave
ⓘ
show cave ⓘ |
| accessMethod |
cable car
ⓘ
hiking trail ⓘ |
| belongsToBiome |
Caatinga-Atlantic Forest transition zone
ⓘ
linked to:
Northeast Brazil transitional agreste belt
|
| country | Brazil ⓘ |
| ecosystemType | Atlantic Forest remnant surroundings ⓘ |
| formationProcess | karst dissolution ⓘ |
| geologicalFormation | limestone ⓘ |
| hasClimate | humid tropical cave climate ⓘ |
| hasConservationStatus | protected within national park ⓘ |
| hasEntrance | Ubajara Cave main entrance ⓘ |
| hasFeature |
speleothems
ⓘ
stalactites ⓘ stalagmites ⓘ subterranean galleries ⓘ tourist lighting ⓘ underground chambers ⓘ |
| hasLightingSystem | artificial illumination for visitors ⓘ |
| hasTouristInfrastructure |
cable car station
ⓘ
viewpoints ⓘ visitor trails ⓘ |
| isTouristAttraction | true ⓘ |
| languageOfLocalName | Portuguese ⓘ |
| localName |
Gruta de Ubajara
ⓘ
linked to:
Ubajara Cave
|
| locatedIn |
Ceará
ⓘ
Northeastern Brazil ⓘ
linked to:
Northeast Region of Brazil
Ubajara ⓘ Ubajara National Park ⓘ |
| locatedInProtectedAreaSince | 1959 ⓘ |
| managedBy | Chico Mendes Institute for Biodiversity Conservation ⓘ |
| nearestTown | Ubajara ⓘ |
| notableFor |
easy public access via cable car
ⓘ
impressive speleothems ⓘ scenic underground chambers ⓘ |
| parkCreationYear | 1959 ⓘ |
| partOf | Serra da Ibiapaba ⓘ |
| protectedArea | Ubajara National Park ⓘ |
| region |
Serra da Ibiapaba plateau
ⓘ
linked to:
Serra da Ibiapaba
|
| safetyMeasures | guided access only in many sections ⓘ |
| state | Ceará ⓘ |
| tourismType |
adventure tourism
ⓘ
ecotourism ⓘ |
| usedFor |
environmental education
ⓘ
guided tours ⓘ scientific research ⓘ |
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: Ubajara Cave Description of subject: Ubajara Cave is a notable limestone cavern in northeastern Brazil renowned for its impressive speleothems and underground chambers, accessible via trails and a cable car within Ubajara National Park.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ubajara Cave