Mahaweli River
E130902
The Mahaweli River is the longest river in Sri Lanka, playing a crucial role in the country’s irrigation, agriculture, and hydroelectric power generation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mahaweli River canonical | 5 |
| Mahaweli River Basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1132723 — 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: Mahaweli River Context triple: [Sri Lanka, hasRiver, Mahaweli River]
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A.
Marico River
The Marico River is a significant watercourse in southern Africa that forms part of the upper reaches of the Limpopo River system.
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B.
Kistna River
The Kistna River, more commonly known as the Krishna River, is a major river in southern India that flows through the states of Maharashtra, Karnataka, Telangana, and Andhra Pradesh before emptying into the Bay of Bengal.
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C.
Rajang River
The Rajang River is the longest river in Malaysia, flowing through the interior rainforests of Sarawak in northwestern Borneo and serving as a vital transportation and economic lifeline for the region.
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D.
Batang Hari River
The Batang Hari River is the longest river in Sumatra, Indonesia, flowing through several provinces and serving as an important waterway for transportation, agriculture, and local communities.
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E.
Banjar River
The Banjar River is a significant tributary in central India that feeds into the Narmada 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: Mahaweli River Target entity description: The Mahaweli River is the longest river in Sri Lanka, playing a crucial role in the country’s irrigation, agriculture, and hydroelectric power generation.
-
A.
Marico River
The Marico River is a significant watercourse in southern Africa that forms part of the upper reaches of the Limpopo River system.
-
B.
Kistna River
The Kistna River, more commonly known as the Krishna River, is a major river in southern India that flows through the states of Maharashtra, Karnataka, Telangana, and Andhra Pradesh before emptying into the Bay of Bengal.
-
C.
Rajang River
The Rajang River is the longest river in Malaysia, flowing through the interior rainforests of Sarawak in northwestern Borneo and serving as a vital transportation and economic lifeline for the region.
-
D.
Batang Hari River
The Batang Hari River is the longest river in Sumatra, Indonesia, flowing through several provinces and serving as an important waterway for transportation, agriculture, and local communities.
-
E.
Banjar River
The Banjar River is a significant tributary in central India that feeds into the Narmada River system.
- F. None of above. chosen
Statements (50)
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: Mahaweli River Description of subject: The Mahaweli River is the longest river in Sri Lanka, playing a crucial role in the country’s irrigation, agriculture, and hydroelectric power generation.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mahaweli River Basin