Łódź–Warsaw railway
E400505
The Łódź–Warsaw railway is a major rail line in central Poland connecting the cities of Łódź and Warsaw, serving as an important route for both regional and intercity passenger traffic.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Warsaw–Łódź railway line | 1 |
| Łódź–Warsaw railway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3914844 — 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: Łódź–Warsaw railway Context triple: [Łódź Fabryczna railway station, railwayLineServed, Łódź–Warsaw railway]
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A.
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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B.
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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C.
Siedlce–Ostrołęka railway line
The Siedlce–Ostrołęka railway line is a regional rail route in eastern Poland connecting the cities of Siedlce and Ostrołęka and serving intermediate towns such as Małkinia Górna.
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D.
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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E.
Łódź Fabryczna railway station
Łódź Fabryczna railway station is a major modern underground rail hub in Łódź, Poland, serving as one of the city’s primary passenger terminals and a key node in the national rail network.
- 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: Łódź–Warsaw railway Target entity description: The Łódź–Warsaw railway is a major rail line in central Poland connecting the cities of Łódź and Warsaw, serving as an important route for both regional and intercity passenger traffic.
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A.
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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B.
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.
-
C.
Siedlce–Ostrołęka railway line
The Siedlce–Ostrołęka railway line is a regional rail route in eastern Poland connecting the cities of Siedlce and Ostrołęka and serving intermediate towns such as Małkinia Górna.
-
D.
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.
-
E.
Łódź Fabryczna railway station
Łódź Fabryczna railway station is a major modern underground rail hub in Łódź, Poland, serving as one of the city’s primary passenger terminals and a key node in the national rail network.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure
ⓘ
railway line ⓘ |
| connects |
Warsaw
ⓘ
Łódź ⓘ |
| connectsUrbanAreas |
Warsaw metropolitan area
ⓘ
Łódź metropolitan area ⓘ |
| country | Poland ⓘ |
| electrification | electrified line ⓘ |
| gauge | standard gauge ⓘ |
| hasLanguage | Polish ⓘ |
| importance | major rail line in Poland ⓘ |
| infrastructureType | double-track railway line ⓘ |
| locatedIn |
Masovian Voivodeship
ⓘ
central Poland ⓘ Łódź Voivodeship ⓘ |
| operatorType | passenger rail services ⓘ |
| partOf | Polish railway network ⓘ |
| regionServed | central Poland ⓘ |
| role | key corridor between Łódź and Warsaw ⓘ |
| serviceType |
intercity rail
ⓘ
regional rail ⓘ |
| terminus |
Warsaw
ⓘ
Łódź ⓘ |
| transportMode | rail ⓘ |
| usedFor |
intercity passenger traffic
ⓘ
regional passenger traffic ⓘ |
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: Łódź–Warsaw railway Description of subject: The Łódź–Warsaw railway is a major rail line in central Poland connecting the cities of Łódź and Warsaw, serving as an important route for both regional and intercity passenger traffic.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Skierniewice (Poland)
linked to: Łódź–Warsaw railway