Perum Jasa Tirta I
E322621
Perum Jasa Tirta I is an Indonesian state-owned water resources management company responsible for operating and maintaining major river basins and related infrastructure.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Perum Jasa Tirta I canonical | 3 |
| Perum Jasa Tirta II | 1 |
| Perusahaan Umum Jasa Tirta I | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3060614 — 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: Perum Jasa Tirta I Context triple: [Brantas River, managedBy, Perum Jasa Tirta I]
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A.
Provincial Government of DKI Jakarta
The Provincial Government of DKI Jakarta is the regional administrative authority responsible for managing and overseeing public policy, services, and development in Indonesia’s capital city, Jakarta.
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B.
Ministry of State-Owned Enterprises of Indonesia
The Ministry of State-Owned Enterprises of Indonesia is a government body responsible for overseeing, managing, and reforming Indonesia’s portfolio of state-owned companies across various strategic sectors.
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C.
Angkasa Pura I
Angkasa Pura I is an Indonesian state-owned enterprise that manages and operates numerous major airports across central and eastern Indonesia.
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D.
Cipinang
Cipinang is a neighborhood in East Jakarta, Indonesia, known for housing one of the country’s main prisons and various urban residential and commercial areas.
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E.
Tanjung Priok
Tanjung Priok is Indonesia’s busiest and largest seaport, serving as the main maritime gateway to Jakarta and the island of Java.
- 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: Perum Jasa Tirta I Target entity description: Perum Jasa Tirta I is an Indonesian state-owned water resources management company responsible for operating and maintaining major river basins and related infrastructure.
-
A.
Provincial Government of DKI Jakarta
The Provincial Government of DKI Jakarta is the regional administrative authority responsible for managing and overseeing public policy, services, and development in Indonesia’s capital city, Jakarta.
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B.
Ministry of State-Owned Enterprises of Indonesia
The Ministry of State-Owned Enterprises of Indonesia is a government body responsible for overseeing, managing, and reforming Indonesia’s portfolio of state-owned companies across various strategic sectors.
-
C.
Angkasa Pura I
Angkasa Pura I is an Indonesian state-owned enterprise that manages and operates numerous major airports across central and eastern Indonesia.
-
D.
Cipinang
Cipinang is a neighborhood in East Jakarta, Indonesia, known for housing one of the country’s main prisons and various urban residential and commercial areas.
-
E.
Tanjung Priok
Tanjung Priok is Indonesia’s busiest and largest seaport, serving as the main maritime gateway to Jakarta and the island of Java.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
state-owned enterprise
ⓘ
water resources management company ⓘ |
| continent | Asia ⓘ |
| coreFunction |
flood control support
ⓘ
maintenance of water resources infrastructure ⓘ operation of water resources infrastructure ⓘ river basin management ⓘ support for irrigation ⓘ support for raw water supply ⓘ water allocation management ⓘ |
| country | Indonesia ⓘ |
| focusArea |
integrated water resources management
ⓘ
sustainable water use ⓘ water infrastructure reliability ⓘ |
| hasAbbreviation | PJT I ⓘ |
| hasBusinessModel | public service with commercial activities ⓘ |
| hasCustomer |
government agencies
ⓘ
industrial water users ⓘ irrigation stakeholders ⓘ regional water utilities ⓘ |
| hasLanguage | Indonesian ⓘ |
| hasRole |
implementing government policy in water resources
ⓘ
supporting drought mitigation ⓘ supporting flood risk management ⓘ supporting national water security ⓘ |
| headquartersLocation | Indonesia ⓘ |
| industry |
water resources management
ⓘ
water supply ⓘ |
| legalForm | Perusahaan Umum ⓘ |
| operatesIn | Indonesian river basins ⓘ |
| organizationType | state-owned company ⓘ |
| owner | Government of Indonesia ⓘ |
| providesService |
technical services in water resources
ⓘ
water resources maintenance services ⓘ water resources operation services ⓘ |
| publicOwnership | 100 percent state-owned ⓘ |
| regulatoryOversightBy | Government of Indonesia ⓘ |
| responsibleFor |
maintenance of major river basins
ⓘ
management of related water infrastructure ⓘ operation of major river basins ⓘ |
| sector | public sector ⓘ |
| serviceArea |
river basins
ⓘ
water resources infrastructure ⓘ |
| subjectTo | Indonesian water resources law ⓘ |
| type | river basin operator ⓘ |
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: Perum Jasa Tirta I Description of subject: Perum Jasa Tirta I is an Indonesian state-owned water resources management company responsible for operating and maintaining major river basins and related infrastructure.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Perum Jasa Tirta II
this entity surface form:
Perusahaan Umum Jasa Tirta I