Ma River
E196531
The Ma River is a major river in Southeast Asia that flows through north-central Vietnam and Laos before emptying into the Gulf of Tonkin.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ma River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1752076 — 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: Ma River Context triple: [Gulf of Tonkin, drainedByRiver, Ma River]
-
A.
Po River
The Po River is the longest river in Italy, flowing eastward across northern Italy’s plains to the Adriatic Sea and serving as a major geographic and economic artery for the region.
-
B.
Mincio
The Mincio is a river in northern Italy that flows from Lake Garda through cities like Mantua before joining the Po River.
-
C.
Tanaro
The Tanaro is a major river in northwestern Italy that flows through the regions of Piedmont and Liguria before joining the Po.
-
D.
Bacchiglione River
The Bacchiglione River is a watercourse in northeastern Italy that flows through the Veneto region, including the city of Padua, before joining the Brenta River.
-
E.
Lambro
The Lambro is a river in northern Italy that flows through the Lombardy region, including the city of Milan, before joining the Po River.
- 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: Ma River Target entity description: The Ma River is a major river in Southeast Asia that flows through north-central Vietnam and Laos before emptying into the Gulf of Tonkin.
-
A.
Po River
The Po River is the longest river in Italy, flowing eastward across northern Italy’s plains to the Adriatic Sea and serving as a major geographic and economic artery for the region.
-
B.
Mincio
The Mincio is a river in northern Italy that flows from Lake Garda through cities like Mantua before joining the Po River.
-
C.
Tanaro
The Tanaro is a major river in northwestern Italy that flows through the regions of Piedmont and Liguria before joining the Po.
-
D.
Bacchiglione River
The Bacchiglione River is a watercourse in northeastern Italy that flows through the Veneto region, including the city of Padua, before joining the Brenta River.
-
E.
Lambro
The Lambro is a river in northern Italy that flows through the Lombardy region, including the city of Milan, before joining the Po River.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| basinCountry |
Laos
ⓘ
Vietnam ⓘ
linked to:
Viet Nam
|
| continent | Asia ⓘ |
| country |
Laos
ⓘ
Vietnam ⓘ
linked to:
Viet Nam
|
| deltaLocatedIn |
Thanh Hóa Province
ⓘ
linked to:
Thanh Hoa Province
|
| dischargesTo |
Gulf of Tonkin
ⓘ
South China Sea ⓘ |
| drainageBasin | Ma River basin ⓘ |
| drains |
mountainous areas of western Thanh Hóa
ⓘ
parts of northeastern Laos ⓘ |
| emptiesInto | Gulf of Tonkin ⓘ |
| flowsInto | Gulf of Tonkin ⓘ |
| flowsThrough |
Houaphanh Province
ⓘ
Hòa Bình Province ⓘ Lai Châu Province ⓘ
linked to:
Lai Chau province
Nghệ An Province ⓘ
linked to:
Nghe An Province
Sơn La Province ⓘ Thanh Hóa Province ⓘ
linked to:
Thanh Hoa Province
Xiangkhouang Province ⓘ north-central Vietnam ⓘ |
| hasDelta | Ma River delta ⓘ |
| hasEcologicalRole | supports wetland ecosystems in its delta ⓘ |
| hasEconomicImportanceFor |
Thanh Hóa Province
ⓘ
linked to:
Thanh Hoa Province
north-central Vietnam ⓘ |
| hasEstuary | coast of Thanh Hóa Province ⓘ |
| hasTributary |
Buoi River
NERFINISHED
ⓘ
Cau Chay River ⓘ Chu River ⓘ Luong River ⓘ Nam Non River ⓘ Nam Sam River ⓘ |
| languageOfName | Vietnamese ⓘ |
| locatedIn | Southeast Asia ⓘ |
| majorRiverOf | north-central Vietnam ⓘ |
| mouth | Gulf of Tonkin ⓘ |
| partOf |
river systems of Laos
ⓘ
river systems of Vietnam ⓘ |
| region |
Indochina
ⓘ
linked to:
Indochinese Peninsula
|
| sourceCountry |
Laos
ⓘ
Vietnam ⓘ
linked to:
Viet Nam
|
| usedFor |
fishing
ⓘ
hydropower ⓘ inland navigation ⓘ 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: Ma River Description of subject: The Ma River is a major river in Southeast Asia that flows through north-central Vietnam and Laos before emptying into the Gulf of Tonkin.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.