PKP Polskie Linie Kolejowe
E916041
PKP Polskie Linie Kolejowe is Poland’s state-owned rail infrastructure manager responsible for maintaining and operating the national railway network and stations.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T11260955 — 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: PKP Polskie Linie Kolejowe Context triple: [Warszawa Centralna railway station, operatedBy, PKP Polskie Linie Kolejowe]
-
A.
Polskie Koleje Państwowe
Polskie Koleje Państwowe is Poland’s state-owned national railway company, responsible for the country’s rail infrastructure and passenger and freight services.
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B.
Koleje Małopolskie
Koleje Małopolskie is a regional rail operator in the Lesser Poland (Małopolska) region of Poland, providing passenger train services that connect Kraków with surrounding towns and cities.
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C.
Koleje Dolnośląskie
Koleje Dolnośląskie is a regional rail operator in the Lower Silesia region of Poland, providing passenger train services connecting major cities and localities, including routes through Wrocław.
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D.
Koleje Mazowieckie
Koleje Mazowieckie is a regional rail operator in Poland that provides commuter and regional train services centered on Warsaw and across the Masovian Voivodeship.
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E.
PKP S.A.
PKP S.A. is Poland’s state-owned railway company responsible for managing much of the country’s rail infrastructure and related assets.
- 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: PKP Polskie Linie Kolejowe Target entity description: PKP Polskie Linie Kolejowe is Poland’s state-owned rail infrastructure manager responsible for maintaining and operating the national railway network and stations.
-
A.
Polskie Koleje Państwowe
Polskie Koleje Państwowe is Poland’s state-owned national railway company, responsible for the country’s rail infrastructure and passenger and freight services.
-
B.
Koleje Małopolskie
Koleje Małopolskie is a regional rail operator in the Lesser Poland (Małopolska) region of Poland, providing passenger train services that connect Kraków with surrounding towns and cities.
-
C.
Koleje Dolnośląskie
Koleje Dolnośląskie is a regional rail operator in the Lower Silesia region of Poland, providing passenger train services connecting major cities and localities, including routes through Wrocław.
-
D.
Koleje Mazowieckie
Koleje Mazowieckie is a regional rail operator in Poland that provides commuter and regional train services centered on Warsaw and across the Masovian Voivodeship.
-
E.
PKP S.A.
PKP S.A. is Poland’s state-owned railway company responsible for managing much of the country’s rail infrastructure and related assets.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
rail infrastructure manager ⓘ state-owned enterprise ⓘ |
| abbreviation | PLK ⓘ |
| coordinatesFreightTrainsWith | freight train operating companies in Poland ⓘ |
| coordinatesPassengerTrainsWith | passenger train operating companies in Poland ⓘ |
| country | Poland ⓘ |
| ensures |
availability of railway infrastructure to licensed operators in Poland
ⓘ
safety of railway infrastructure in Poland ⓘ |
| headquartersCountry | Poland ⓘ |
| headquartersLocation | Warsaw ⓘ |
| implements | railway infrastructure investment projects in Poland ⓘ |
| industry |
rail transport
ⓘ
railway infrastructure management ⓘ |
| languageOfName | Polish ⓘ |
| legalForm | joint-stock company ⓘ |
| maintains |
railway bridges in Poland
ⓘ
railway level crossings in Poland ⓘ railway signaling systems in Poland ⓘ railway stations in Poland ⓘ railway tracks in Poland ⓘ railway tunnels in Poland ⓘ |
| monitors | railway traffic in Poland ⓘ |
| nativeName |
PKP Polskie Linie Kolejowe S.A.
ⓘ
linked to:
PKP Polskie Linie Kolejowe
|
| networkType | railway network ⓘ |
| operatesIn | Poland ⓘ |
| owner | State Treasury of Poland ⓘ |
| owns |
railway lines in Poland
ⓘ
railway stations infrastructure in Poland ⓘ |
| parentOrganization | Polskie Koleje Państwowe ⓘ |
| provides |
railway infrastructure for freight services
ⓘ
railway infrastructure for passenger services ⓘ |
| regulates | access to railway infrastructure in Poland ⓘ |
| responsibleFor |
maintenance of railway infrastructure in Poland
ⓘ
management of railway stations in Poland ⓘ operation of the national railway network in Poland ⓘ railway traffic management in Poland ⓘ |
| role | infrastructure manager for Polish railways ⓘ |
| scope | national ⓘ |
| sector | public sector ⓘ |
| shortName | PKP PLK ⓘ |
| subjectTo |
European Union railway regulations
ⓘ
Polish transport regulations ⓘ |
| subsidiaryOf |
PKP Group
ⓘ
linked to:
PKP S.A.
|
| transportMode | rail ⓘ |
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: PKP Polskie Linie Kolejowe Description of subject: PKP Polskie Linie Kolejowe is Poland’s state-owned rail infrastructure manager responsible for maintaining and operating the national railway network and stations.
Referenced by (47)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: PKP Polskie Linie Kolejowe
linked to: PKP Polskie Linie Kolejowe
railway infrastructure of Podlaskie Voivodeship
→
mainOperatorInfrastructureManager
→
PKP Polskie Linie Kolejowe
ⓘ
linked to: PKP Polskie Linie Kolejowe
linked to: PKP Polskie Linie Kolejowe
linked to: PKP Polskie Linie Kolejowe
linked to: PKP Polskie Linie Kolejowe