Central Rail Line (CMK)
E763000
The Central Rail Line (CMK) is a major high-speed railway corridor in Poland that connects key cities and enables fast passenger and freight services across the country.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Central Rail Line (CMK) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8868276 — 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: Central Rail Line (CMK) Context triple: [Włoszczowa, railwayLineServed, Central Rail Line (CMK)]
-
A.
Cambridge line
The Cambridge line is a key railway route in eastern England that connects London with the city of Cambridge and its surrounding area.
-
B.
T9 Northern Line
T9 Northern Line is a suburban passenger rail service forming part of the Sydney Trains network, connecting Sydney’s northern suburbs with the city and other key hubs.
-
C.
Coastal Line
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
-
D.
Northeast Line
The Northeast Line, now known as MARTA's Gold Line, is a rapid transit route serving key northeastern suburbs and neighborhoods of Atlanta, Georgia.
-
E.
Eastern Line
The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland 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: Central Rail Line (CMK) Target entity description: The Central Rail Line (CMK) is a major high-speed railway corridor in Poland that connects key cities and enables fast passenger and freight services across the country.
-
A.
Cambridge line
The Cambridge line is a key railway route in eastern England that connects London with the city of Cambridge and its surrounding area.
-
B.
T9 Northern Line
T9 Northern Line is a suburban passenger rail service forming part of the Sydney Trains network, connecting Sydney’s northern suburbs with the city and other key hubs.
-
C.
Coastal Line
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
-
D.
Northeast Line
The Northeast Line, now known as MARTA's Gold Line, is a rapid transit route serving key northeastern suburbs and neighborhoods of Atlanta, Georgia.
-
E.
Eastern Line
The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland rail network.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| alsoKnownAs | CMK high-speed corridor ⓘ |
| category | rail transport in Poland ⓘ |
| connects |
Katowice
ⓘ
Kraków ⓘ Warsaw ⓘ key cities in Poland ⓘ |
| country | Poland ⓘ |
| electrification | overhead line ⓘ |
| enables | high-speed rail services in Poland ⓘ |
| hasAbbreviation | CMK ⓘ |
| infrastructureType | railway corridor ⓘ |
| locatedIn | Poland ⓘ |
| name | Central Rail Line ⓘ |
| operator | PKP Polskie Linie Kolejowe ⓘ |
| partOf | Polish railway network ⓘ |
| purpose |
fast freight services
ⓘ
fast passenger services ⓘ |
| railGauge | standard gauge ⓘ |
| serviceType |
express rail
ⓘ
freight rail ⓘ intercity rail ⓘ |
| significance | major railway corridor in Poland ⓘ |
| 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: Central Rail Line (CMK) Description of subject: The Central Rail Line (CMK) is a major high-speed railway corridor in Poland that connects key cities and enables fast passenger and freight services across the country.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.