Langat River
E773627
The Langat River is a major river in the state of Selangor, Malaysia, flowing through several towns and serving as an important source of water and local economic activity.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Langat River canonical | 2 |
| Langat River Basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9012937 — 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: Langat River Context triple: [Kajang, locatedOnRiver, Langat River]
-
A.
Gombak River
The Gombak River is a Malaysian river that flows through the Klang Valley and historically contributed to the founding and development of Kuala Lumpur at its confluence with the Klang River.
-
B.
Dungun River
Dungun River is a river in the Malaysian state of Terengganu, known for flowing through the Dungun district toward the South China Sea.
-
C.
Endau River
The Endau River is a major river in southern Peninsular Malaysia that flows through the biodiverse Endau-Rompin rainforest region before reaching the South China Sea.
-
D.
Pahang River
The Pahang River is one of Peninsular Malaysia’s longest and most significant rivers, flowing through the state of Pahang and serving as an important waterway for transport, agriculture, and local communities.
-
E.
Johor River
The Johor River is a major waterway in the southern Malaysian state of Johor, historically significant as a strategic and economic lifeline for the region.
- 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: Langat River Target entity description: The Langat River is a major river in the state of Selangor, Malaysia, flowing through several towns and serving as an important source of water and local economic activity.
-
A.
Gombak River
The Gombak River is a Malaysian river that flows through the Klang Valley and historically contributed to the founding and development of Kuala Lumpur at its confluence with the Klang River.
-
B.
Dungun River
Dungun River is a river in the Malaysian state of Terengganu, known for flowing through the Dungun district toward the South China Sea.
-
C.
Endau River
The Endau River is a major river in southern Peninsular Malaysia that flows through the biodiverse Endau-Rompin rainforest region before reaching the South China Sea.
-
D.
Pahang River
The Pahang River is one of Peninsular Malaysia’s longest and most significant rivers, flowing through the state of Pahang and serving as an important waterway for transport, agriculture, and local communities.
-
E.
Johor River
The Johor River is a major waterway in the southern Malaysian state of Johor, historically significant as a strategic and economic lifeline for the region.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs | Sungai Langat ⓘ |
| associatedWith | flooding in Selangor ⓘ |
| basinCountry | Malaysia ⓘ |
| country | Malaysia ⓘ |
| economicImportance |
local fisheries
ⓘ
sand extraction ⓘ water supply infrastructure ⓘ |
| emptiesInto |
Straits of Malacca
ⓘ
linked to:
Strait of Malacca
|
| environmentalIssue |
pollution from industrial discharge
ⓘ
pollution from urban runoff ⓘ riverbank erosion ⓘ |
| flowsThrough |
Banting
ⓘ
Cheras (Selangor) ⓘ Hulu Langat District ⓘ Kajang ⓘ Kuala Langat District ⓘ Putrajaya vicinity ⓘ Sepang District ⓘ |
| hasInfrastructure |
flood mitigation structures
ⓘ
water treatment plants ⓘ |
| hasTributary |
Cheras River
ⓘ
Semenyih River ⓘ |
| languageOfToponym | Malay ⓘ |
| locatedIn | Selangor ⓘ |
| locatedOnContinent | Asia ⓘ |
| majorRiverOf | Selangor ⓘ |
| managedBy |
Department of Irrigation and Drainage Malaysia
ⓘ
Selangor state authorities ⓘ
linked to:
state government of Selangor
|
| mouthCountry | Malaysia ⓘ |
| mouthLocation |
Kuala Langat
ⓘ
near Banting ⓘ |
| near |
Kuala Lumpur metropolitan area
ⓘ
linked to:
Greater Kuala Lumpur
|
| partOf | Selangor river system ⓘ |
| region |
Peninsular Malaysia
ⓘ
linked to:
West Malaysia
|
| riverBasin |
Langat River Basin
ⓘ
linked to:
Langat River
|
| sourceOfWaterFor |
Klang Valley
ⓘ
Selangor ⓘ |
| subjectOf |
river basin management plans
ⓘ
water quality monitoring programs ⓘ |
| usedFor |
domestic water supply
ⓘ
fishing ⓘ irrigation ⓘ recreation ⓘ sand mining ⓘ |
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: Langat River Description of subject: The Langat River is a major river in the state of Selangor, Malaysia, flowing through several towns and serving as an important source of water and local economic activity.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Langat River