Lancang River
E235481
The Lancang River is the upper course of the Mekong River, flowing through China’s Yunnan Province before continuing into Southeast Asia as one of the region’s most important waterways.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lancang River canonical | 4 |
| Jinsha River | 1 |
| Lancang Jiang | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1743105 — 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: Lancang River Context triple: [Yunnan Province, majorRiver, Lancang River]
-
A.
Luo River
The Luo River is a significant tributary in central China that flows through Henan and Shaanxi provinces before joining the Yellow River.
-
B.
Jialing River
The Jialing River is a significant river in southwestern China that flows through Sichuan and Chongqing, contributing heavily to the region’s water resources, transportation, and ecology.
-
C.
Xin’an River
The Xin’an River is a major river in eastern China known for its scenic landscapes and as an important tributary contributing to the Qiantang River system.
-
D.
Chu River
The Chu River is a major river in Central Asia that flows through Kyrgyzstan and Kazakhstan, playing an important role in regional agriculture and water supply.
-
E.
Wu River
The Wu River is a significant river in southwestern China known for flowing through deep gorges and contributing substantially to the Yangtze River system.
- 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: Lancang River Target entity description: The Lancang River is the upper course of the Mekong River, flowing through China’s Yunnan Province before continuing into Southeast Asia as one of the region’s most important waterways.
-
A.
Luo River
The Luo River is a significant tributary in central China that flows through Henan and Shaanxi provinces before joining the Yellow River.
-
B.
Jialing River
The Jialing River is a significant river in southwestern China that flows through Sichuan and Chongqing, contributing heavily to the region’s water resources, transportation, and ecology.
-
C.
Xin’an River
The Xin’an River is a major river in eastern China known for its scenic landscapes and as an important tributary contributing to the Qiantang River system.
-
D.
Chu River
The Chu River is a major river in Central Asia that flows through Kyrgyzstan and Kazakhstan, playing an important role in regional agriculture and water supply.
-
E.
Wu River
The Wu River is a significant river in southwestern China known for flowing through deep gorges and contributing substantially to the Yangtze River system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
upper course of the Mekong River ⓘ |
| basinCountry |
Cambodia
ⓘ
China ⓘ Laos ⓘ Myanmar ⓘ Thailand ⓘ Viet Nam ⓘ
surface form:
Vietnam
|
| ChineseName | 澜沧江 ⓘ |
| climateZones |
highland cold climate upstream
ⓘ
tropical monsoon climate downstream in Yunnan ⓘ |
| connectedTo | Tonle Sap system via Mekong River ⓘ |
| continuesAs | Mekong River ⓘ |
| country | China ⓘ |
| drainageBasin |
Mekong River
ⓘ
surface form:
Mekong River Basin
|
| ecosystemType | large tropical and subtropical river system ⓘ |
| flowsDirectionGeneral | from northwest to southeast ⓘ |
| flowsThrough |
Qinghai
ⓘ
surface form:
Qinghai Province
Tibet Autonomous Region ⓘ Yunnan Province ⓘ |
| hasHydropowerDams | Yes ⓘ |
| hasIssue |
ecological impact of dam construction
ⓘ
transboundary water management concerns ⓘ |
| importance | one of the most important waterways in Southeast Asia ⓘ |
| knownAsInChina |
Lancang River
self-linksurface differs
ⓘ
surface form:
Lancang Jiang
|
| lengthApproxKm | 2100 ⓘ |
| locatedIn |
East Asia
ⓘ
Southeast Asia ⓘ |
| majorRole |
fisheries support
ⓘ
hydropower generation in China ⓘ inland water transport in Yunnan ⓘ irrigation water source ⓘ |
| mouth |
Mekong Delta
ⓘ
surface form:
Mekong River lower course
|
| nameMeaning | turbulent river in Chinese ⓘ |
| originatesOn |
Tibetan Plateau
ⓘ
surface form:
Qinghai-Tibet Plateau
|
| partOf |
Mekong River
ⓘ
surface form:
Lancang-Mekong River system
Mekong River ⓘ international river system ⓘ |
| passesNear |
Jinghong
ⓘ
Xishuangbanna Dai Autonomous Prefecture ⓘ
surface form:
Xishuangbanna
|
| region | Yunnan-Guizhou Plateau vicinity ⓘ |
| sharedBy | China and downstream Mekong countries ⓘ |
| sourceLocation | Tanggula Mountains ⓘ |
| supports | biodiversity in the Mekong Basin ⓘ |
| tributaryOf | South China Sea via Mekong River ⓘ |
| upstreamNameOf | Mekong River ⓘ |
| waterResourceFor |
agriculture in downstream Mekong countries
ⓘ
domestic use in Yunnan ⓘ |
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: Lancang River Description of subject: The Lancang River is the upper course of the Mekong River, flowing through China’s Yunnan Province before continuing into Southeast Asia as one of the region’s most important waterways.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Jinsha River
subject surface form:
Diqing Tibetan Autonomous Prefecture
this entity surface form:
Lancang Jiang