Nandu River
E897547
The Nandu River is the longest river on China’s Hainan Island, flowing northward through the island’s interior before emptying into the sea near the provincial capital, Haikou.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nandu River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10003043 — 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: Nandu River Context triple: [Haikou, locatedOnRiver, Nandu River]
-
A.
Andhari River
The Andhari River is a watercourse in Maharashtra, India, that flows through and lends its name to the Tadoba Andhari Tiger Reserve, supporting its rich forest and wildlife ecosystems.
-
B.
Punarbhaba River
The Punarbhaba River is a transboundary river in the Indian subcontinent that flows through parts of northern Bangladesh and eastern India, supporting local agriculture and settlements along its course.
-
C.
Bhilangna River
The Bhilangna River is a Himalayan river in Uttarakhand, India, known for flowing through the Tehri region and feeding the Tehri Dam before joining the Bhagirathi River.
-
D.
Sarela River
The Sarela River is a small watercourse in Galicia, northwestern Spain, that flows near and partly encircles the historic city of Santiago de Compostela.
-
E.
Mahananda River
The Mahananda River is a trans-boundary river flowing through India and Bangladesh, known for passing by the city of Siliguri and ultimately joining the Ganges.
- 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: Nandu River Target entity description: The Nandu River is the longest river on China’s Hainan Island, flowing northward through the island’s interior before emptying into the sea near the provincial capital, Haikou.
-
A.
Andhari River
The Andhari River is a watercourse in Maharashtra, India, that flows through and lends its name to the Tadoba Andhari Tiger Reserve, supporting its rich forest and wildlife ecosystems.
-
B.
Punarbhaba River
The Punarbhaba River is a transboundary river in the Indian subcontinent that flows through parts of northern Bangladesh and eastern India, supporting local agriculture and settlements along its course.
-
C.
Bhilangna River
The Bhilangna River is a Himalayan river in Uttarakhand, India, known for flowing through the Tehri region and feeding the Tehri Dam before joining the Bhagirathi River.
-
D.
Sarela River
The Sarela River is a small watercourse in Galicia, northwestern Spain, that flows near and partly encircles the historic city of Santiago de Compostela.
-
E.
Mahananda River
The Mahananda River is a trans-boundary river flowing through India and Bangladesh, known for passing by the city of Siliguri and ultimately joining the Ganges.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| basinCountry | China ⓘ |
| continent | Asia ⓘ |
| country | China ⓘ |
| direction | northward ⓘ |
| dischargesInto | Qiongzhou Strait NERFINISHED ⓘ |
| drainageBasin | northern Hainan Island ⓘ |
| flowsInto | South China Sea via Qiongzhou Strait ⓘ |
| flowsThrough |
Chengmai County
NERFINISHED
ⓘ
Ding’an County NERFINISHED ⓘ Haikou NERFINISHED ⓘ Qiongzhong Li and Miao Autonomous County NERFINISHED ⓘ |
| hasBridge |
Haikou Century Bridge
NERFINISHED
ⓘ
Haikou New East Bridge NERFINISHED ⓘ Qiongzhou Bridge NERFINISHED ⓘ |
| hasDam | Longtang Dam NERFINISHED ⓘ |
| hasEstuary | near Haikou Bay ⓘ |
| hasTributary |
Longtang River
NERFINISHED
ⓘ
Niuqiao River NERFINISHED ⓘ |
| isMajorRiverOf | Hainan Province NERFINISHED ⓘ |
| languageName_zh | 南渡江 NERFINISHED ⓘ |
| length | about 314 km ⓘ |
| locatedIn |
Hainan Island
NERFINISHED
ⓘ
Hainan Province NERFINISHED ⓘ South China NERFINISHED ⓘ |
| longestRiverOf | Hainan Island NERFINISHED ⓘ |
| mouthLocation |
Qiongzhou Strait
NERFINISHED
ⓘ
near Haikou ⓘ |
| nameMeaning | South Crossing River NERFINISHED ⓘ |
| near | provincial capital Haikou NERFINISHED ⓘ |
| nearbyCity | Haikou NERFINISHED ⓘ |
| passesNear |
Dingcheng town
NERFINISHED
ⓘ
Longtang town NERFINISHED ⓘ |
| region | tropical monsoon climate zone ⓘ |
| sourceLocation | central Hainan Island ⓘ |
| supports | agricultural activities along its banks ⓘ |
| usedFor |
flood control
ⓘ
irrigation ⓘ water supply ⓘ |
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: Nandu River Description of subject: The Nandu River is the longest river on China’s Hainan Island, flowing northward through the island’s interior before emptying into the sea near the provincial capital, Haikou.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.