Surma River
E310202
The Surma River is a major transboundary river flowing through northeastern India and Bangladesh, known for its role in the Meghna river system and the Sylhet region’s ecology and economy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Surma River canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T1437606 — 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: Surma River Context triple: [Barak River, mouth, Surma River]
-
A.
Sajur River
The Sajur River is a minor river in northern Syria and southeastern Turkey that flows into the Euphrates, contributing to the region’s agricultural irrigation and local water supply.
-
B.
Sura River
The Sura River is a significant river in western Russia that flows through the Volga Upland and several regions before joining the Volga River.
-
C.
Sirba River
The Sirba River is a significant West African waterway that flows through Burkina Faso and Niger before joining the Niger River, contributing notably to its hydrology and seasonal flooding.
-
D.
Marico River
The Marico River is a significant watercourse in southern Africa that forms part of the upper reaches of the Limpopo River system.
-
E.
Hathmati River
The Hathmati River is a tributary river in the Indian state of Gujarat that feeds into the larger Sabarmati 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: Surma River Target entity description: The Surma River is a major transboundary river flowing through northeastern India and Bangladesh, known for its role in the Meghna river system and the Sylhet region’s ecology and economy.
-
A.
Sajur River
The Sajur River is a minor river in northern Syria and southeastern Turkey that flows into the Euphrates, contributing to the region’s agricultural irrigation and local water supply.
-
B.
Sura River
The Sura River is a significant river in western Russia that flows through the Volga Upland and several regions before joining the Volga River.
-
C.
Sirba River
The Sirba River is a significant West African waterway that flows through Burkina Faso and Niger before joining the Niger River, contributing notably to its hydrology and seasonal flooding.
-
D.
Marico River
The Marico River is a significant watercourse in southern Africa that forms part of the upper reaches of the Limpopo River system.
-
E.
Hathmati River
The Hathmati River is a tributary river in the Indian state of Gujarat that feeds into the larger Sabarmati River system.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
transboundary river ⓘ |
| basinCountry |
People's Republic of Bangladesh (from East Pakistan)
ⓘ
surface form:
Bangladesh
India ⓘ |
| borderCrossing | India–Bangladesh transboundary river ⓘ |
| country |
People's Republic of Bangladesh (from East Pakistan)
ⓘ
surface form:
Bangladesh
India ⓘ |
| flowsThrough |
Assam
ⓘ
Meghalaya ⓘ Sylhet Division ⓘ Sylhet region ⓘ |
| hasEcologicalRole | supports wetlands in Sylhet region ⓘ |
| hasEconomicRole |
supports agriculture in surrounding areas
ⓘ
supports riverine fisheries ⓘ |
| hasHydrologicalRole | monsoon drainage in Sylhet basin ⓘ |
| influences | floodplain dynamics in Sylhet region ⓘ |
| locatedIn | South Asia ⓘ |
| majorFor |
Sylhet region ecology
ⓘ
Sylhet region economy ⓘ |
| mouthOfWatercourse |
Meghna
ⓘ
surface form:
Meghna River
|
| partOf |
Ganges-Brahmaputra-Meghna river system
ⓘ
surface form:
Ganges–Brahmaputra–Meghna river system
Meghna River system ⓘ |
| region |
Northeastern Bangladesh
ⓘ
Northeast India ⓘ
surface form:
Northeastern India
|
| tributaryOf |
Meghna
ⓘ
surface form:
Meghna River
|
| usedFor |
fishing
ⓘ
inland navigation ⓘ irrigation ⓘ transportation ⓘ |
| watercourseCategory | international river of Asia ⓘ |
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: Surma River Description of subject: The Surma River is a major transboundary river flowing through northeastern India and Bangladesh, known for its role in the Meghna river system and the Sylhet region’s ecology and economy.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Meghna River