Lake Matano
E1046917
Lake Matano is a deep tectonic lake in South Sulawesi, Indonesia, known for its exceptional water clarity, unique biodiversity, and significance as one of the world's deepest lakes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Matano canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13555416 — 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: Lake Matano Context triple: [East Luwu Regency, hasLake, Lake Matano]
-
A.
Tondano Caldera
Tondano Caldera is a large volcanic caldera in North Sulawesi, Indonesia, known for its prominent lake and association with several active volcanoes in the region.
-
B.
Galunggung crater lake
Galunggung crater lake is a volcanic lake filling the summit crater of Mount Galunggung in West Java, Indonesia, formed by past explosive eruptions.
-
C.
Menengai Crater
Menengai Crater is a massive, geologically active caldera in Kenya’s Rift Valley, known as one of the largest volcanic calderas in the world and a prominent feature of the East African Rift.
-
D.
Tompaluan crater
Tompaluan crater is an active volcanic crater situated between the twin peaks of Mount Lokon and Mount Empung in North Sulawesi, Indonesia, known for its frequent eruptions and geothermal activity.
-
E.
Tangkuban Perahu
Tangkuban Perahu is a popular stratovolcano in West Java, Indonesia, known for its distinctive boat-like shape and easily accessible craters.
- 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: Lake Matano Target entity description: Lake Matano is a deep tectonic lake in South Sulawesi, Indonesia, known for its exceptional water clarity, unique biodiversity, and significance as one of the world's deepest lakes.
-
A.
Tondano Caldera
Tondano Caldera is a large volcanic caldera in North Sulawesi, Indonesia, known for its prominent lake and association with several active volcanoes in the region.
-
B.
Galunggung crater lake
Galunggung crater lake is a volcanic lake filling the summit crater of Mount Galunggung in West Java, Indonesia, formed by past explosive eruptions.
-
C.
Menengai Crater
Menengai Crater is a massive, geologically active caldera in Kenya’s Rift Valley, known as one of the largest volcanic calderas in the world and a prominent feature of the East African Rift.
-
D.
Tompaluan crater
Tompaluan crater is an active volcanic crater situated between the twin peaks of Mount Lokon and Mount Empung in North Sulawesi, Indonesia, known for its frequent eruptions and geothermal activity.
-
E.
Tangkuban Perahu
Tangkuban Perahu is a popular stratovolcano in West Java, Indonesia, known for its distinctive boat-like shape and easily accessible craters.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
tectonic lake ⓘ |
| basinCountry | Indonesia NERFINISHED ⓘ |
| climateZone | tropical ⓘ |
| continent | Asia ⓘ |
| country | Indonesia ⓘ |
| drainageBasin | Malili Lakes basin NERFINISHED ⓘ |
| ecosystemType | tropical lake ecosystem ⓘ |
| formationType | tectonic origin ⓘ |
| geologicalAge | ancient lake (geologically old) ⓘ |
| hasConnectionTo |
Lake Mahalona
NERFINISHED
ⓘ
Lake Towuti NERFINISHED ⓘ |
| hasEndemicFauna |
endemic fish species
ⓘ
endemic shrimp species ⓘ endemic snail species ⓘ |
| hasEndemicSpecies | yes ⓘ |
| hasLanguageRegion | Indonesian language area ⓘ |
| hasOutflow | Larona River NERFINISHED ⓘ |
| hasSedimentRecord | yes ⓘ |
| importance |
important site for evolutionary biology studies
ⓘ
important site for limnological research ⓘ |
| knownFor |
ancient lake characteristics
ⓘ
exceptional water clarity ⓘ great depth ⓘ unique biodiversity ⓘ |
| locatedIn | South Sulawesi NERFINISHED ⓘ |
| locatedInRegency | East Luwu Regency NERFINISHED ⓘ |
| locatedInTimeZone | UTC+8 ⓘ |
| locatedNearTown | Sorowako NERFINISHED ⓘ |
| locatedOnIsland | Sulawesi NERFINISHED ⓘ |
| maximumDepth |
>500 m
ⓘ
~590 m ⓘ |
| nearbyIndustry | nickel mining at Sorowako ⓘ |
| partOf | Malili Lake system NERFINISHED ⓘ |
| rankAmongWorldsDeepestLakes | one of the deepest lakes in the world ⓘ |
| recreationalActivities |
boating
ⓘ
diving ⓘ swimming ⓘ |
| region | Sulawesi Selatan NERFINISHED ⓘ |
| sedimentRecordUsedFor |
paleoclimate reconstruction
ⓘ
paleoenvironmental studies ⓘ |
| stratification | meromictic tendencies (permanent deep-water stratification reported) ⓘ |
| surfaceElevation | ~382 m above sea level ⓘ |
| threats |
habitat disturbance
ⓘ
potential pollution from mining activities ⓘ |
| tourism | regional tourist attraction ⓘ |
| waterClarity | very high ⓘ |
| waterType | freshwater ⓘ |
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: Lake Matano Description of subject: Lake Matano is a deep tectonic lake in South Sulawesi, Indonesia, known for its exceptional water clarity, unique biodiversity, and significance as one of the world's deepest lakes.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.