Rokan River
E425131
The Rokan River is a major river in Sumatra, Indonesia, flowing through Riau Province and playing an important role in regional transportation, ecology, and local livelihoods.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rokan River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4215235 — 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: Rokan River Context triple: [Riau, hasBodyOfWater, Rokan River]
-
A.
Asahan River
The Asahan River is a major river in northern Sumatra, Indonesia, flowing from Lake Toba to the Strait of Malacca and supporting regional hydroelectric power and irrigation.
-
B.
Siak River
The Siak River is a major waterway in Riau Province on the island of Sumatra, Indonesia, historically important for trade and transportation and flowing through the city of Pekanbaru before emptying into the Strait of Malacca.
-
C.
Banjar River
The Banjar River is a significant tributary in central India that feeds into the Narmada River system.
-
D.
South River
South River is a tidal tributary of the Chesapeake Bay in Maryland known for its boating, waterfront communities, and scenic estuarine environment.
-
E.
South River
South River is a waterway in central New Jersey that feeds into the Raritan River and flows through several Middlesex County communities.
- 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: Rokan River Target entity description: The Rokan River is a major river in Sumatra, Indonesia, flowing through Riau Province and playing an important role in regional transportation, ecology, and local livelihoods.
-
A.
Asahan River
The Asahan River is a major river in northern Sumatra, Indonesia, flowing from Lake Toba to the Strait of Malacca and supporting regional hydroelectric power and irrigation.
-
B.
Siak River
The Siak River is a major waterway in Riau Province on the island of Sumatra, Indonesia, historically important for trade and transportation and flowing through the city of Pekanbaru before emptying into the Strait of Malacca.
-
C.
Banjar River
The Banjar River is a significant tributary in central India that feeds into the Narmada River system.
-
D.
South River
South River is a tidal tributary of the Chesapeake Bay in Maryland known for its boating, waterfront communities, and scenic estuarine environment.
-
E.
South River
South River is a waterway in central New Jersey that feeds into the Raritan River and flows through several Middlesex County communities.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
geographical feature
ⓘ
river ⓘ |
| basinCountry | Indonesia NERFINISHED ⓘ |
| climateZone | tropical rainforest climate ⓘ |
| continent | Asia ⓘ |
| country | Indonesia ⓘ |
| emptiesInto | Malacca Strait NERFINISHED ⓘ |
| flowsThrough | Riau Province NERFINISHED ⓘ |
| hasEconomicRole |
local livelihoods
ⓘ
regional transportation ⓘ |
| hasEnvironmentalRole | regional ecology ⓘ |
| hasHydrologicalFunction | drainage of central Sumatra areas ⓘ |
| hasLocalName | Sungai Rokan NERFINISHED ⓘ |
| hasMouthIn | Malacca Strait NERFINISHED ⓘ |
| hasNavigationRole | inland waterway in Riau ⓘ |
| influences | floodplain agriculture in its basin ⓘ |
| isInTimeZone | UTC+7 ⓘ |
| isLocatedIn | Sumatra NERFINISHED ⓘ |
| languageOfToponym | Indonesian ⓘ |
| locatedInRiverBasin | Rokan River basin NERFINISHED ⓘ |
| mouthCountry | Indonesia NERFINISHED ⓘ |
| partOf | hydrological system of Sumatra ⓘ |
| province | Riau NERFINISHED ⓘ |
| region | eastern Sumatra ⓘ |
| supports |
local fisheries
ⓘ
riparian communities ⓘ wetland ecosystems ⓘ |
| usedFor |
fishing
ⓘ
irrigation ⓘ river transport ⓘ |
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: Rokan River Description of subject: The Rokan River is a major river in Sumatra, Indonesia, flowing through Riau Province and playing an important role in regional transportation, ecology, and local livelihoods.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.