Karnaphuli River
E637842
The Karnaphuli River is a major river in southeastern Bangladesh that flows through the port city of Chittagong before emptying into the Bay of Bengal.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Karnaphuli River canonical | 3 |
| Karnaphuli River estuary | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7016532 — 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: Karnaphuli River Context triple: [Chandanpura Mosque, nearbyWaterBody, Karnaphuli River]
-
A.
Bindal River
Bindal River is a small seasonal river flowing through Dehradun in Uttarakhand, India, known for its role in local drainage and frequent urban flooding concerns.
-
B.
Salween River
The Salween River is a major river in Southeast Asia that flows from the Tibetan Plateau through China and Myanmar to the Andaman Sea, known for its largely undammed, wild course and rich biodiversity.
-
C.
Feni River
The Feni River is a transboundary river in South Asia that flows through the Indian state of Tripura into Bangladesh before emptying into the Bay of Bengal.
-
D.
Padma River
The Padma River is a major distributary of the Ganges in Bangladesh, known for its vast width, powerful currents, and crucial role in the country’s agriculture, fisheries, and transportation.
-
E.
Baitarani River
The Baitarani River is a major river in eastern India that flows through the state of Odisha, playing a vital role in its agriculture, ecology, and regional culture.
- 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: Karnaphuli River Target entity description: The Karnaphuli River is a major river in southeastern Bangladesh that flows through the port city of Chittagong before emptying into the Bay of Bengal.
-
A.
Bindal River
Bindal River is a small seasonal river flowing through Dehradun in Uttarakhand, India, known for its role in local drainage and frequent urban flooding concerns.
-
B.
Salween River
The Salween River is a major river in Southeast Asia that flows from the Tibetan Plateau through China and Myanmar to the Andaman Sea, known for its largely undammed, wild course and rich biodiversity.
-
C.
Feni River
The Feni River is a transboundary river in South Asia that flows through the Indian state of Tripura into Bangladesh before emptying into the Bay of Bengal.
-
D.
Padma River
The Padma River is a major distributary of the Ganges in Bangladesh, known for its vast width, powerful currents, and crucial role in the country’s agriculture, fisheries, and transportation.
-
E.
Baitarani River
The Baitarani River is a major river in eastern India that flows through the state of Odisha, playing a vital role in its agriculture, ecology, and regional culture.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs |
Karnafuli River
NERFINISHED
ⓘ
Karnaphuli Nodi NERFINISHED ⓘ |
| basinCountry |
Bangladesh
NERFINISHED
ⓘ
India ⓘ |
| borderProximity | near India–Bangladesh border in upper reaches ⓘ |
| cityOnRiver |
Chittagong
NERFINISHED
ⓘ
Rangamati NERFINISHED ⓘ |
| country |
People's Republic of Bangladesh (from East Pakistan)
ⓘ
surface form:
Bangladesh
India ⓘ |
| drainageBasin | Chittagong Hill Tracts NERFINISHED ⓘ |
| economicImportance |
supports major seaport operations
ⓘ
supports regional trade in southeastern Bangladesh ⓘ |
| emptiesNear | Chittagong NERFINISHED ⓘ |
| environmentalIssue |
industrial pollution
ⓘ
siltation ⓘ water quality degradation ⓘ |
| flowsInto | Bay of Bengal NERFINISHED ⓘ |
| flowsThrough |
Chattogram District
NERFINISHED
ⓘ
Chittagong NERFINISHED ⓘ Kaptai NERFINISHED ⓘ Rangamati District NERFINISHED ⓘ |
| hasBridge |
Kalurghat Bridge
NERFINISHED
ⓘ
Karnaphuli Bridge NERFINISHED ⓘ Shah Amanat Bridge NERFINISHED ⓘ |
| hasDam | Kaptai Dam NERFINISHED ⓘ |
| hasEstuary | Karnaphuli estuary NERFINISHED ⓘ |
| hasIndustrialArea | Karnaphuli Export Processing Zone NERFINISHED ⓘ |
| hasPort |
Chittagong Port
NERFINISHED
ⓘ
Karnaphuli Export Processing Zone vicinity ⓘ |
| hasReservoir | Kaptai Lake NERFINISHED ⓘ |
| hasValley | Karnaphuli Valley NERFINISHED ⓘ |
| locatedIn | Southeastern Bangladesh ⓘ |
| mouthLocation | Bay of Bengal NERFINISHED ⓘ |
| partOf | Ganges-Brahmaputra-Meghna drainage region NERFINISHED ⓘ |
| region | Chittagong Division NERFINISHED ⓘ |
| significance |
important for Bangladesh power sector via Kaptai Dam
ⓘ
main access route to Chittagong Port ⓘ major river of southeastern Bangladesh ⓘ |
| sourceCountry | India NERFINISHED ⓘ |
| sourceRegion |
Lushai Hills
NERFINISHED
ⓘ
Mizoram NERFINISHED ⓘ |
| usedFor |
fishing
ⓘ
hydroelectric power generation ⓘ inland navigation ⓘ irrigation ⓘ port access ⓘ |
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: Karnaphuli River Description of subject: The Karnaphuli River is a major river in southeastern Bangladesh that flows through the port city of Chittagong before emptying into the Bay of Bengal.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Karnaphuli River estuary