Warszawa–Katowice railway line
E677743
The Warszawa–Katowice railway line is a major electrified rail corridor in Poland connecting the capital Warsaw with the industrial and urban centers of Upper Silesia, including Katowice.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Warszawa–Katowice railway line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7639204 — 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: Warszawa–Katowice railway line Context triple: [Katowice railway station, isOnRailwayLine, Warszawa–Katowice railway line]
-
A.
Kraków–Katowice railway line
The Kraków–Katowice railway line is a major rail route in southern Poland that connects the cities of Kraków and Katowice, serving as an important corridor for both passenger and freight traffic.
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B.
Warsaw–Białystok railway line
The Warsaw–Białystok railway line is a major rail route in northeastern Poland that connects the capital city Warsaw with the regional center Białystok, serving as an important corridor for both passenger and freight transport.
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C.
Łódź–Ostrów Wielkopolski railway
The Łódź–Ostrów Wielkopolski railway is a regional rail line in central Poland connecting the city of Łódź with Ostrów Wielkopolski and serving as an important route for both passenger and freight traffic.
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D.
Warsaw–Kraków main line
The Warsaw–Kraków main line is a major Polish railway corridor connecting the capital city Warsaw with Kraków, serving as one of the country’s key passenger and freight routes.
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E.
Łódź–Tuplice railway
The Łódź–Tuplice railway is a major Polish rail line connecting the central city of Łódź with the western border region near Germany, serving both passenger and freight traffic.
- 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: Warszawa–Katowice railway line Target entity description: The Warszawa–Katowice railway line is a major electrified rail corridor in Poland connecting the capital Warsaw with the industrial and urban centers of Upper Silesia, including Katowice.
-
A.
Kraków–Katowice railway line
The Kraków–Katowice railway line is a major rail route in southern Poland that connects the cities of Kraków and Katowice, serving as an important corridor for both passenger and freight traffic.
-
B.
Warsaw–Białystok railway line
The Warsaw–Białystok railway line is a major rail route in northeastern Poland that connects the capital city Warsaw with the regional center Białystok, serving as an important corridor for both passenger and freight transport.
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C.
Łódź–Ostrów Wielkopolski railway
The Łódź–Ostrów Wielkopolski railway is a regional rail line in central Poland connecting the city of Łódź with Ostrów Wielkopolski and serving as an important route for both passenger and freight traffic.
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D.
Warsaw–Kraków main line
The Warsaw–Kraków main line is a major Polish railway corridor connecting the capital city Warsaw with Kraków, serving as one of the country’s key passenger and freight routes.
-
E.
Łódź–Tuplice railway
The Łódź–Tuplice railway is a major Polish rail line connecting the central city of Łódź with the western border region near Germany, serving both passenger and freight traffic.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
railway corridor
ⓘ
railway line ⓘ |
| belongsTo | PKP rail lines NERFINISHED ⓘ |
| connects |
Katowice
NERFINISHED
ⓘ
Warsaw NERFINISHED ⓘ |
| connectsCity |
Częstochowa
NERFINISHED
ⓘ
Dąbrowa Górnicza NERFINISHED ⓘ Katowice NERFINISHED ⓘ Sosnowiec NERFINISHED ⓘ Warsaw NERFINISHED ⓘ Zawiercie NERFINISHED ⓘ |
| connectsRegion |
Masovian Voivodeship
NERFINISHED
ⓘ
Silesian Voivodeship NERFINISHED ⓘ |
| connectsUrbanArea |
Upper Silesian metropolitan area
NERFINISHED
ⓘ
Warsaw metropolitan area NERFINISHED ⓘ |
| country | Poland ⓘ |
| electrification | electrified ⓘ |
| electrificationSystem | 3 kV DC overhead line ⓘ |
| gauge | standard gauge ⓘ |
| hasMode | rail transport ⓘ |
| hasTrackType | double track (on most sections) ⓘ |
| importanceForIndustry | serves industrial centers of Upper Silesia ⓘ |
| infrastructureType | heavy rail ⓘ |
| locatedIn | Poland ⓘ |
| locatedOnContinent | Europe ⓘ |
| operator | PKP Polskie Linie Kolejowe NERFINISHED ⓘ |
| partOfNetwork | Polish railway network NERFINISHED ⓘ |
| passesThroughRegion | Lesser Poland NERFINISHED ⓘ |
| primaryFunction | passenger transport ⓘ |
| regionServed |
Masovia
NERFINISHED
ⓘ
Upper Silesia NERFINISHED ⓘ |
| role | connects the capital of Poland with Upper Silesia ⓘ |
| secondaryFunction | freight transport ⓘ |
| significance | major rail corridor in Poland ⓘ |
| status | in operation ⓘ |
| terminus |
Katowice railway station
NERFINISHED
ⓘ
Warszawa Centralna railway station NERFINISHED ⓘ |
| usedByOperator |
Koleje Śląskie
NERFINISHED
ⓘ
PKP Intercity NERFINISHED ⓘ Polregio NERFINISHED ⓘ |
| usedByServiceType |
freight trains
ⓘ
long-distance passenger trains ⓘ regional passenger trains ⓘ |
| usedFor |
cargo transport to and from Upper Silesia
ⓘ
commuter traffic in Upper Silesia ⓘ intercity connections between Warsaw and Katowice ⓘ |
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: Warszawa–Katowice railway line Description of subject: The Warszawa–Katowice railway line is a major electrified rail corridor in Poland connecting the capital Warsaw with the industrial and urban centers of Upper Silesia, including Katowice.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.