Tonlé Sap Lake
E460776
Tonlé Sap Lake is Southeast Asia’s largest freshwater lake, located in Cambodia and renowned for its dramatic seasonal expansion and rich biodiversity that supports extensive floating villages and fisheries.
All labels observed (9)
| Label | Occurrences |
|---|---|
| Tonlé Sap Lake canonical | 8 |
| Tonlé Sap | 3 |
| Tonlé Sap Lake basin | 2 |
| "Tonlé Sap" means "Great Lake" or "Large Freshwater River" in Khmer | 1 |
| Tonle Sap Lake | 1 |
| Tonle Sap plain | 1 |
| Tonlé Sap Lake region | 1 |
| Tonlé Sap Lake shoreline | 1 |
| Tonlé Sap floodplain | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4670286 — 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: Tonlé Sap Lake Context triple: [Tonlé Sap River, connects, Tonlé Sap Lake]
-
A.
Kandawgyi Lake
Kandawgyi Lake is a prominent artificial lake and scenic recreational area in central Yangon, Myanmar, known for its boardwalks, parks, and views of the Shwedagon Pagoda.
-
B.
Loktak Lake
Loktak Lake is the largest freshwater lake in Northeast India, renowned for its floating phumdis and the Keibul Lamjao floating national park that is home to the endangered sangai deer.
-
C.
Tonlé Sap River
The Tonlé Sap River is a unique Cambodian waterway known for its seasonal flow reversal that connects the Tonlé Sap Lake with the Mekong River and supports one of the world’s most productive inland fisheries.
-
D.
Ulungur Lake
Ulungur Lake is a large inland lake in China’s Xinjiang region, known for its rich fisheries and importance to the arid Dzungarian Basin ecosystem.
-
E.
Chilika Lake
Chilika Lake is a vast brackish water lagoon on the east coast of India, renowned for its rich biodiversity, migratory birds, and status as a Ramsar-designated wetland of international importance.
- 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: Tonlé Sap Lake Target entity description: Tonlé Sap Lake is Southeast Asia’s largest freshwater lake, located in Cambodia and renowned for its dramatic seasonal expansion and rich biodiversity that supports extensive floating villages and fisheries.
-
A.
Kandawgyi Lake
Kandawgyi Lake is a prominent artificial lake and scenic recreational area in central Yangon, Myanmar, known for its boardwalks, parks, and views of the Shwedagon Pagoda.
-
B.
Loktak Lake
Loktak Lake is the largest freshwater lake in Northeast India, renowned for its floating phumdis and the Keibul Lamjao floating national park that is home to the endangered sangai deer.
-
C.
Tonlé Sap River
The Tonlé Sap River is a unique Cambodian waterway known for its seasonal flow reversal that connects the Tonlé Sap Lake with the Mekong River and supports one of the world’s most productive inland fisheries.
-
D.
Ulungur Lake
Ulungur Lake is a large inland lake in China’s Xinjiang region, known for its rich fisheries and importance to the arid Dzungarian Basin ecosystem.
-
E.
Chilika Lake
Chilika Lake is a vast brackish water lagoon on the east coast of India, renowned for its rich biodiversity, migratory birds, and status as a Ramsar-designated wetland of international importance.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Ramsar site
ⓘ
UNESCO Biosphere Reserve ⓘ freshwater lake ⓘ lake ⓘ |
| areaDrySeason | approximately 2,500–3,000 square kilometers ⓘ |
| areaWetSeason | approximately 10,000–16,000 square kilometers ⓘ |
| averageDepthDrySeason | around 1 meter ⓘ |
| averageDepthWetSeason | around 8–9 meters ⓘ |
| biodiversityStatus | biodiversity hotspot ⓘ |
| biosphereReserveDesignationYear | 1997 ⓘ |
| connectedTo |
Mekong River
ⓘ
Tonlé Sap River ⓘ |
| country | Cambodia ⓘ |
| designation |
Ramsar wetland of international importance
ⓘ
linked to:
Ramsar Wetland of International Importance
UNESCO Biosphere Reserve ⓘ
linked to:
Biosphere Reserve
|
| economicImportance |
major inland fishery for Cambodia
ⓘ
source of livelihood for millions of people ⓘ |
| ecoregion |
Tonle Sap freshwater ecoregion
ⓘ
linked to:
Tonlé Sap–Mekong hydrological system
|
| etymology |
"Tonlé Sap" means "Great Lake" or "Large Freshwater River" in Khmer
ⓘ
linked to:
Tonlé Sap Lake
|
| floodPulse | monsoon-driven annual flood pulse ⓘ |
| hydrologicalFeature | reversing flow ⓘ |
| importance | critical for Cambodia’s food security ⓘ |
| knownFor |
floating villages
ⓘ
inland fisheries ⓘ rich biodiversity ⓘ seasonal expansion ⓘ |
| languageOfToponym | Khmer ⓘ |
| lengthDrySeason | approximately 160 kilometers ⓘ |
| lengthWetSeason | approximately 250 kilometers ⓘ |
| locatedIn |
Southeast Asia
ⓘ
northwestern Cambodia ⓘ |
| nearbyCity |
Battambang
ⓘ
Kampong Chhnang ⓘ Siem Reap ⓘ
linked to:
Siem Reap Province
|
| outflowsTo | Tonlé Sap River ⓘ |
| partOf |
Tonlé Sap system
ⓘ
linked to:
Tonlé Sap–Mekong hydrological system
|
| receivesWaterFrom | Mekong River ⓘ |
| role | key component of the Mekong River Basin ⓘ |
| superlative | largest freshwater lake in Southeast Asia ⓘ |
| supports |
floating villages
ⓘ
flooded forest ecosystems ⓘ large fish populations ⓘ migratory waterbirds ⓘ stilt-house communities ⓘ |
| threat |
climate change
ⓘ
deforestation of flooded forests ⓘ overfishing ⓘ upstream dam construction ⓘ water pollution ⓘ |
| 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: Tonlé Sap Lake Description of subject: Tonlé Sap Lake is Southeast Asia’s largest freshwater lake, located in Cambodia and renowned for its dramatic seasonal expansion and rich biodiversity that supports extensive floating villages and fisheries.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake
linked to: Tonlé Sap Lake