Lake Lanao
E456781
Lake Lanao is a large, ancient lake in the Mindanao region of the Philippines that is culturally and historically central to the Maranao people and serves as a major source of freshwater and hydroelectric power.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Lanao canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T4639099 — 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 Lanao Context triple: [Maranao, associatedBodyOfWater, Lake Lanao]
-
A.
Laguna de Bay
Laguna de Bay is the largest freshwater lake in the Philippines, located southeast of Metro Manila on the island of Luzon and serving as a vital resource for fisheries, irrigation, and flood control.
-
B.
Lake Sebu
Lake Sebu is a scenic highland lake and cultural heartland of the T'boli people in South Cotabato, Mindanao, known for its waterfalls, traditional weaving, and eco-cultural tourism.
-
C.
Bolinao
Bolinao is a minority Austronesian language spoken primarily in the town of Bolinao and nearby areas in Pangasinan province, Philippines.
-
D.
Lake Poso
Lake Poso is a deep, tectonic lake in Central Sulawesi, Indonesia, known for its clear waters, unique biodiversity, and scenic surrounding highlands.
-
E.
Laguna Bay
Laguna Bay is a scenic coastal bay at Noosa Heads in Queensland, Australia, known for its calm waters, beaches, and popular swimming and surfing spots.
- 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 Lanao Target entity description: Lake Lanao is a large, ancient lake in the Mindanao region of the Philippines that is culturally and historically central to the Maranao people and serves as a major source of freshwater and hydroelectric power.
-
A.
Laguna de Bay
Laguna de Bay is the largest freshwater lake in the Philippines, located southeast of Metro Manila on the island of Luzon and serving as a vital resource for fisheries, irrigation, and flood control.
-
B.
Lake Sebu
Lake Sebu is a scenic highland lake and cultural heartland of the T'boli people in South Cotabato, Mindanao, known for its waterfalls, traditional weaving, and eco-cultural tourism.
-
C.
Bolinao
Bolinao is a minority Austronesian language spoken primarily in the town of Bolinao and nearby areas in Pangasinan province, Philippines.
-
D.
Lake Poso
Lake Poso is a deep, tectonic lake in Central Sulawesi, Indonesia, known for its clear waters, unique biodiversity, and scenic surrounding highlands.
-
E.
Laguna Bay
Laguna Bay is a scenic coastal bay at Noosa Heads in Queensland, Australia, known for its calm waters, beaches, and popular swimming and surfing spots.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
ancient lake
ⓘ
lake ⓘ natural freshwater lake ⓘ |
| age | ancient geological origin ⓘ |
| basinCountry | Philippines NERFINISHED ⓘ |
| country | Philippines ⓘ |
| drainsInto | Agus River NERFINISHED ⓘ |
| elevation |
about 2,300 feet above sea level
ⓘ
about 700 meters above sea level ⓘ |
| ethnicGroupAssociated | Maranao people NERFINISHED ⓘ |
| formationType | tectonic lake ⓘ |
| governedBy | Province of Lanao del Sur NERFINISHED ⓘ |
| hasCityOnShore | Marawi NERFINISHED ⓘ |
| hasConservationConcern |
declining water quality
ⓘ
ecosystem degradation ⓘ |
| hasCulturalSignificance |
center of Maranao culture
ⓘ
source of Maranao epics and legends ⓘ |
| hasReligiousSignificance | Muslim communities in Lanao del Sur ⓘ |
| hydrologicalSystem | Agus River–Iligan Bay system NERFINISHED ⓘ |
| isCulturallyCentralTo | Maranao people NERFINISHED ⓘ |
| isHistoricallyCentralTo | Maranao people NERFINISHED ⓘ |
| isInlandWaterBodyOf | Philippines NERFINISHED ⓘ |
| isMajorSourceOf |
freshwater in Lanao del Sur
ⓘ
hydroelectric power in Mindanao ⓘ |
| isOneOf | largest lakes in the Philippines ⓘ |
| isSacredTo | Maranao people NERFINISHED ⓘ |
| languageRegion | Maranao language area ⓘ |
| locatedIn |
Bangsamoro Autonomous Region in Muslim Mindanao
NERFINISHED
ⓘ
Lanao del Sur NERFINISHED ⓘ Mindanao NERFINISHED ⓘ |
| locatedOnPlateau | Lanao Plateau NERFINISHED ⓘ |
| majorIsland | Mindanao NERFINISHED ⓘ |
| maximumDepth | more than 100 meters ⓘ |
| nearestMajorCity | Marawi NERFINISHED ⓘ |
| outflow | Agus River NERFINISHED ⓘ |
| partOf | Philippine inland waters ⓘ |
| powers | Agus Hydroelectric Power Plants NERFINISHED ⓘ |
| rankByAreaInPhilippines | second largest lake in the Philippines ⓘ |
| surfaceArea |
approximately 130 square miles
ⓘ
approximately 340 square kilometers ⓘ |
| surroundedBy | mountainous terrain ⓘ |
| threatenedBy |
deforestation in watershed
ⓘ
sedimentation ⓘ water pollution ⓘ |
| usedFor |
domestic water supply
ⓘ
fisheries ⓘ hydroelectric power generation ⓘ irrigation ⓘ transportation ⓘ |
| 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 Lanao Description of subject: Lake Lanao is a large, ancient lake in the Mindanao region of the Philippines that is culturally and historically central to the Maranao people and serves as a major source of freshwater and hydroelectric power.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.