Mahakam River
E127626
The Mahakam River is one of the largest and most important rivers in Indonesian Borneo (Kalimantan), known for its extensive basin, rich biodiversity, and role as a major transportation and economic artery in East Kalimantan.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Mahakam River canonical | 7 |
| Mahakam River basin | 1 |
| middle Mahakam River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T586482 — 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: Mahakam River Context triple: [Borneo, river, Mahakam River]
-
A.
Yana River
The Yana River is a major river in northeastern Siberia, Russia, that flows northward into the Laptev Sea of the Arctic Ocean.
-
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.
Atabapo River
The Atabapo River is a significant waterway in southern Venezuela and Colombia that flows through remote rainforest regions before joining the Orinoco River.
-
D.
Daule River
The Daule River is a major river in western Ecuador that flows through agricultural regions and urban areas before joining other waterways to form the Guayas River system.
-
E.
Adhaim River
The Adhaim River is a significant river in Iraq that flows through the northeastern part of the country before joining the Tigris.
- 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: Mahakam River Target entity description: The Mahakam River is one of the largest and most important rivers in Indonesian Borneo (Kalimantan), known for its extensive basin, rich biodiversity, and role as a major transportation and economic artery in East Kalimantan.
-
A.
Yana River
The Yana River is a major river in northeastern Siberia, Russia, that flows northward into the Laptev Sea of the Arctic Ocean.
-
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.
Atabapo River
The Atabapo River is a significant waterway in southern Venezuela and Colombia that flows through remote rainforest regions before joining the Orinoco River.
-
D.
Daule River
The Daule River is a major river in western Ecuador that flows through agricultural regions and urban areas before joining other waterways to form the Guayas River system.
-
E.
Adhaim River
The Adhaim River is a significant river in Iraq that flows through the northeastern part of the country before joining the Tigris.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| basinSize | approximately 77,100 square kilometers ⓘ |
| continent | Asia ⓘ |
| country | Indonesia ⓘ |
| deltaLocation |
Makassar Strait
ⓘ
surface form:
Makassar Strait coast of East Kalimantan
|
| economicRole |
major transportation route in East Kalimantan
ⓘ
route for coal transport ⓘ route for palm oil transport ⓘ route for timber transport ⓘ |
| ecosystemType | tropical river ecosystem ⓘ |
| flowsInto | Makassar Strait ⓘ |
| geologicalSetting | Mahakam Delta ⓘ |
| hasDelta | Mahakam Delta ⓘ |
| hasLake |
Lake Jempang
ⓘ
Lake Jempang ⓘ
surface form:
Lake Melintang
Lake Jempang ⓘ
surface form:
Lake Semayang
|
| hasTributary |
Belayan River
ⓘ
Kedang Kepala River ⓘ Kedang Kepala River ⓘ
surface form:
Kedang Pahu River
Telen River ⓘ Wahau River ⓘ |
| hasWetlands | floodplain wetlands ⓘ |
| importance |
important habitat for endangered species
ⓘ
major economic artery in East Kalimantan ⓘ one of the largest rivers in Indonesian Borneo ⓘ |
| inhabitedBy |
Irrawaddy dolphin
ⓘ
Mahakam River dolphin population ⓘ endemic fish species ⓘ wetland bird species ⓘ |
| knownFor |
freshwater dolphin population
ⓘ
rich biodiversity ⓘ |
| length | approximately 980 km ⓘ |
| locatedIn |
East Kalimantan
ⓘ
Kalimantan ⓘ |
| locatedOn | Borneo ⓘ |
| majorCityOnRiver |
Balikpapan
ⓘ
surface form:
Balikpapan region
Samarinda ⓘ Tenggarong ⓘ |
| mouth | Makassar Strait ⓘ |
| passesThrough |
Kutai Kartanegara Regency
ⓘ
Mahakam Ulu Regency ⓘ Samarinda ⓘ West Kutai Regency ⓘ |
| province | East Kalimantan ⓘ |
| region | Kutei Basin ⓘ |
| sourceLocation |
Central Kalimantan
ⓘ
surface form:
Central Borneo
Müller Mountains ⓘ |
| usedFor |
fishing
ⓘ
freshwater supply ⓘ inland navigation ⓘ riverine trade ⓘ |
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: Mahakam River Description of subject: The Mahakam River is one of the largest and most important rivers in Indonesian Borneo (Kalimantan), known for its extensive basin, rich biodiversity, and role as a major transportation and economic artery in East Kalimantan.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mahakam River basin
this entity surface form:
middle Mahakam River