Mamu River
E518170
The Mamu River is a lesser-known river in western Brazil that serves as a tributary within the extensive Amazon Basin water system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mamu River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4931663 — 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: Mamu River Context triple: [Purus River, hasTributary, Mamu River]
-
A.
Mun River
The Mun River is a significant river in northeastern Thailand that drains much of the Isan region before joining the Mekong.
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B.
Sangkae River
The Sangkae River is a key waterway in northwestern Cambodia that flows through and sustains the city of Battambang and its surrounding agricultural areas.
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C.
Orsang River
The Orsang River is a significant river in western India that serves as a major tributary of the Rewa (Narmada) River, contributing to its flow and regional water system.
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D.
Harangi River
The Harangi River is a tributary of the Kaveri River in Karnataka, India, known for the Harangi Dam that supports irrigation and regional water management.
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E.
Cibin River
The Cibin River is a significant river in central Romania that flows through Sibiu County and the city of Sibiu before joining the Olt 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: Mamu River Target entity description: The Mamu River is a lesser-known river in western Brazil that serves as a tributary within the extensive Amazon Basin water system.
-
A.
Mun River
The Mun River is a significant river in northeastern Thailand that drains much of the Isan region before joining the Mekong.
-
B.
Sangkae River
The Sangkae River is a key waterway in northwestern Cambodia that flows through and sustains the city of Battambang and its surrounding agricultural areas.
-
C.
Orsang River
The Orsang River is a significant river in western India that serves as a major tributary of the Rewa (Narmada) River, contributing to its flow and regional water system.
-
D.
Harangi River
The Harangi River is a tributary of the Kaveri River in Karnataka, India, known for the Harangi Dam that supports irrigation and regional water management.
-
E.
Cibin River
The Cibin River is a significant river in central Romania that flows through Sibiu County and the city of Sibiu before joining the Olt River.
- F. None of above. chosen
Statements (8)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Brazil ⓘ |
| continent | South America ⓘ |
| country | Brazil ⓘ |
| locatedIn | western Brazil ⓘ |
| partOf | Amazon Basin ⓘ |
| tributaryOf | Amazon Basin water system ⓘ |
| watercourseSystem | Amazon Basin ⓘ |
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: Mamu River Description of subject: The Mamu River is a lesser-known river in western Brazil that serves as a tributary within the extensive Amazon Basin water system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.