Łódź–Ostrów Wielkopolski railway
E424253
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Łódź–Kalisz railway | 1 |
| Łódź–Ostrów Wielkopolski railway canonical | 1 |
| Łódź–Sieradz–Kalisz–Poznań route | 1 |
| Łódź–Sieradz–Wrocław route | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4150727 — 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–Ostrów Wielkopolski railway Context triple: [Łódź Kaliska railway station, railwayLineUsed, Łódź–Ostrów Wielkopolski railway]
-
A.
Łódź–Warsaw railway
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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B.
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.
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C.
Łódź–Dębica railway
The Łódź–Dębica railway is a major Polish rail line connecting the central city of Łódź with the southeastern town of Dębica, serving both passenger and freight traffic across several regions.
-
D.
Łódź–Koluszki railway
The Łódź–Koluszki railway is a key rail line in central Poland that connects the city of Łódź with the important junction at Koluszki, serving both regional and long-distance passenger traffic.
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E.
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.
- 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–Ostrów Wielkopolski railway Target entity description: 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.
-
A.
Łódź–Warsaw railway
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.
-
B.
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.
-
C.
Łódź–Dębica railway
The Łódź–Dębica railway is a major Polish rail line connecting the central city of Łódź with the southeastern town of Dębica, serving both passenger and freight traffic across several regions.
-
D.
Łódź–Koluszki railway
The Łódź–Koluszki railway is a key rail line in central Poland that connects the city of Łódź with the important junction at Koluszki, serving both regional and long-distance passenger traffic.
-
E.
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.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure
ⓘ
railway line ⓘ |
| connects |
Ostrów Wielkopolski
ⓘ
Łódź NERFINISHED ⓘ |
| country | Poland ⓘ |
| electrification | electrified in sections ⓘ |
| hasEndpointCity |
Ostrów Wielkopolski
ⓘ
Łódź NERFINISHED ⓘ |
| importance |
important route for freight traffic
ⓘ
important route for regional connectivity ⓘ |
| languageOfName | Polish ⓘ |
| locatedIn | central Poland ⓘ |
| locatedOnContinent | Europe ⓘ |
| operator | regional rail operators in Poland ⓘ |
| partOf | Polish railway network ⓘ |
| passesThrough | towns between Łódź and Ostrów Wielkopolski ⓘ |
| railGauge | standard gauge ⓘ |
| regionServed |
Greater Poland Voivodeship
NERFINISHED
ⓘ
Łódź Voivodeship NERFINISHED ⓘ |
| serviceType |
interregional rail
ⓘ
regional rail ⓘ |
| terminus |
Ostrów Wielkopolski
ⓘ
Łódź NERFINISHED ⓘ |
| transportMode | rail ⓘ |
| usedFor |
freight transport
ⓘ
passenger transport ⓘ |
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–Ostrów Wielkopolski railway Description of subject: 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.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Łódź–Kalisz railway
this entity surface form:
Łódź–Sieradz–Kalisz–Poznań route
this entity surface form:
Łódź–Sieradz–Wrocław route