Perak River
E198101
The Perak River is one of the longest and most important rivers in Peninsular Malaysia, flowing through the state of Perak and supporting its agriculture, settlements, and ecosystems.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Perak River canonical | 6 |
| Perak River basin | 1 |
| Sungai Perak | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1783149 — 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: Perak River Context triple: [Perak, containsRiver, Perak River]
-
A.
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.
-
B.
Sarawak River
The Sarawak River is a key waterway in the Malaysian state of Sarawak, flowing through Kuching and serving as an important route for transport, commerce, and tourism.
-
C.
Rajang River
The Rajang River is the longest river in Malaysia, flowing through the interior rainforests of Sarawak in northwestern Borneo and serving as a vital transportation and economic lifeline for the region.
-
D.
Batang Hari River
The Batang Hari River is the longest river in Sumatra, Indonesia, flowing through several provinces and serving as an important waterway for transportation, agriculture, and local communities.
-
E.
Barito River
The Barito River is one of the largest and longest rivers in Borneo, flowing through the Indonesian province of South Kalimantan and serving as a vital transportation 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: Perak River Target entity description: The Perak River is one of the longest and most important rivers in Peninsular Malaysia, flowing through the state of Perak and supporting its agriculture, settlements, and ecosystems.
-
A.
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.
-
B.
Sarawak River
The Sarawak River is a key waterway in the Malaysian state of Sarawak, flowing through Kuching and serving as an important route for transport, commerce, and tourism.
-
C.
Rajang River
The Rajang River is the longest river in Malaysia, flowing through the interior rainforests of Sarawak in northwestern Borneo and serving as a vital transportation and economic lifeline for the region.
-
D.
Batang Hari River
The Batang Hari River is the longest river in Sumatra, Indonesia, flowing through several provinces and serving as an important waterway for transportation, agriculture, and local communities.
-
E.
Barito River
The Barito River is one of the largest and longest rivers in Borneo, flowing through the Indonesian province of South Kalimantan and serving as a vital transportation and economic lifeline for the region.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedWith |
Sultanate of Perak
ⓘ
surface form:
Perak Sultanate
|
| basinCountry | Malaysia ⓘ |
| continent | Asia ⓘ |
| country | Malaysia ⓘ |
| emptiesNear | Bagan Datuk ⓘ |
| etymology | named after the state of Perak ⓘ |
| flowsInto |
Strait of Malacca
ⓘ
surface form:
Straits of Malacca
|
| hasBridge |
Iskandariah Bridge
ⓘ
Sultan Abdul Jalil Shah Bridge ⓘ |
| hasEcologicalRole |
provides freshwater habitat
ⓘ
supports riparian forests ⓘ supports wetland ecosystems near its estuary ⓘ |
| hasEconomicImportance |
supports oil palm plantations
ⓘ
supports paddy cultivation ⓘ supports rubber plantations ⓘ |
| hasUse |
domestic water supply
ⓘ
inland fisheries ⓘ irrigation ⓘ sand mining ⓘ transport in earlier times ⓘ |
| historicalRole |
served as a transportation route in pre-road era
ⓘ
supported early Malay settlements in Perak ⓘ |
| length | approximately 400 km ⓘ |
| locatedIn |
West Malaysia
ⓘ
surface form:
Peninsular Malaysia
Perak River basin ⓘ Perak ⓘ
surface form:
state of Perak
|
| majorFunction |
supports agriculture in Perak
ⓘ
supports freshwater ecosystems in Perak ⓘ supports human settlements in Perak ⓘ |
| mouth |
Strait of Malacca
ⓘ
surface form:
Straits of Malacca
|
| nameInMalay |
Perak River
self-linksurface differs
ⓘ
surface form:
Sungai Perak
|
| nameLanguage | Malay ⓘ |
| nearbySettlement |
Bota
ⓘ
Kuala Kangsar ⓘ Parit ⓘ Teluk Intan ⓘ |
| passesNear | Ipoh ⓘ |
| passesThrough |
Kuala Kangsar
ⓘ
Perak Tengah District ⓘ |
| rankingByLengthInPeninsularMalaysia | second longest river in Peninsular Malaysia ⓘ |
| region | northwestern Peninsular Malaysia ⓘ |
| sourceLocation |
Titiwangsa Mountains
ⓘ
northern Perak ⓘ |
| tributary |
Kerian River
NERFINISHED
ⓘ
Kinta River ⓘ Plus River NERFINISHED ⓘ |
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: Perak River Description of subject: The Perak River is one of the longest and most important rivers in Peninsular Malaysia, flowing through the state of Perak and supporting its agriculture, settlements, and ecosystems.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sungai Perak
this entity surface form:
Perak River basin