Đà River
E758511
The Đà River is a major river in northwestern Vietnam, known for feeding the Hòa Bình hydropower plant and contributing significantly to the Red River system.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T8368225 — 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: Đà River Context triple: [Hòa Bình Province, traversedByRiver, Đà River]
-
A.
Qu River
The Qu River is a tributary waterway in southwestern China that feeds into the larger Jialing River system.
-
B.
Gianh River
The Gianh River is a historically significant river in central Vietnam, known as a former boundary between northern and southern regions of the country.
-
C.
Loa River
The Loa River is the longest river in Chile, flowing in a great arc through the Atacama Desert to the Pacific Ocean.
-
D.
Lyari River
The Lyari River is a small, heavily polluted seasonal river flowing through Karachi, Pakistan, that has become a major urban drainage channel.
-
E.
Zi River
The Zi River is a major river in south-central China that flows through Hunan Province and is one of the important tributaries of 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: Đà River Target entity description: The Đà River is a major river in northwestern Vietnam, known for feeding the Hòa Bình hydropower plant and contributing significantly to the Red River system.
-
A.
Qu River
The Qu River is a tributary waterway in southwestern China that feeds into the larger Jialing River system.
-
B.
Gianh River
The Gianh River is a historically significant river in central Vietnam, known as a former boundary between northern and southern regions of the country.
-
C.
Loa River
The Loa River is the longest river in Chile, flowing in a great arc through the Atacama Desert to the Pacific Ocean.
-
D.
Lyari River
The Lyari River is a small, heavily polluted seasonal river flowing through Karachi, Pakistan, that has become a major urban drainage channel.
-
E.
Zi River
The Zi River is a major river in south-central China that flows through Hunan Province and is one of the important tributaries of the Yangtze River system.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry |
China
ⓘ
Vietnam NERFINISHED ⓘ |
| continent | Asia ⓘ |
| contributesTo | water discharge of the Red River ⓘ |
| country |
China
ⓘ
Viet Nam ⓘ
surface form:
Vietnam
|
| drainageBasin | Red River basin NERFINISHED ⓘ |
| economicImportance |
supports agriculture in the Red River Delta
ⓘ
supports fisheries ⓘ |
| flowsDirection | generally southeast toward the Red River ⓘ |
| flowsThrough |
Hòa Bình Province
NERFINISHED
ⓘ
Lai Châu Province NERFINISHED ⓘ Phú Thọ Province NERFINISHED ⓘ Sơn La Province NERFINISHED ⓘ |
| formsReservoir |
Hòa Bình Reservoir
NERFINISHED
ⓘ
Sơn La Reservoir NERFINISHED ⓘ |
| hasHydropowerPlant |
Hòa Bình hydropower plant
NERFINISHED
ⓘ
Lai Châu hydropower plant NERFINISHED ⓘ Sơn La hydropower plant NERFINISHED ⓘ |
| hasStructure |
Hòa Bình Dam
NERFINISHED
ⓘ
Lai Châu Dam NERFINISHED ⓘ Sơn La Dam NERFINISHED ⓘ |
| importance | major tributary of the Red River ⓘ |
| knownFor |
feeding the Hòa Bình hydropower plant
ⓘ
major source of hydroelectric power in Vietnam ⓘ |
| languageOfName | Vietnamese ⓘ |
| locatedIn |
Mainland Southeast Asia
NERFINISHED
ⓘ
northwestern Vietnam NERFINISHED ⓘ |
| mouth | Red River NERFINISHED ⓘ |
| otherName |
Black River
NERFINISHED
ⓘ
Sông Đà NERFINISHED ⓘ |
| partOf | Red River system NERFINISHED ⓘ |
| passesNear |
Hòa Bình City
NERFINISHED
ⓘ
Sơn La City NERFINISHED ⓘ |
| region | Northwest Vietnam NERFINISHED ⓘ |
| role |
key component of Vietnam's power grid
ⓘ
major water source for northern Vietnam ⓘ |
| sourceCountry | China NERFINISHED ⓘ |
| sourceRegion | Yunnan NERFINISHED ⓘ |
| tributaryOf | Red River NERFINISHED ⓘ |
| usedFor |
hydroelectric power generation
ⓘ
inland water transport ⓘ irrigation ⓘ |
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: Đà River Description of subject: The Đà River is a major river in northwestern Vietnam, known for feeding the Hòa Bình hydropower plant and contributing significantly to the Red River system.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Sơn Tây
this entity surface form:
Sông Chảy