Copenhagen Metro
E67498
Copenhagen Metro is a rapid transit system in Copenhagen, Denmark, known for its driverless trains, frequent service, and extensive underground and elevated lines connecting key parts of the city and suburbs.
All labels observed (19)
How this entity was disambiguated
This entity first appeared as the object of triple T539925 — 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: Copenhagen Metro Context triple: [Copenhagen, servedBy, Copenhagen Metro]
-
A.
Oslo Metro
The Oslo Metro is the rapid transit system serving Norway's capital, providing high-frequency urban and suburban rail connections across the Oslo metropolitan area.
-
B.
Oslo Tramway
Oslo Tramway is the city’s electric light rail and streetcar network that forms a key part of public transport in Norway’s capital.
-
C.
Warsaw Metro
The Warsaw Metro is the rapid transit system serving Poland's capital, consisting of underground lines that connect key districts across the city.
-
D.
Brussels Metro
The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
-
E.
Østfold Line
The Østfold Line is a major railway line in southeastern Norway that runs from Oslo through towns in the Østfold region toward the Swedish border.
- 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: Copenhagen Metro Target entity description: Copenhagen Metro is a rapid transit system in Copenhagen, Denmark, known for its driverless trains, frequent service, and extensive underground and elevated lines connecting key parts of the city and suburbs.
-
A.
Oslo Metro
The Oslo Metro is the rapid transit system serving Norway's capital, providing high-frequency urban and suburban rail connections across the Oslo metropolitan area.
-
B.
Oslo Tramway
Oslo Tramway is the city’s electric light rail and streetcar network that forms a key part of public transport in Norway’s capital.
-
C.
Warsaw Metro
The Warsaw Metro is the rapid transit system serving Poland's capital, consisting of underground lines that connect key districts across the city.
-
D.
Brussels Metro
The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
-
E.
Østfold Line
The Østfold Line is a major railway line in southeastern Norway that runs from Oslo through towns in the Østfold region toward the Swedish border.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
rapid transit system ⓘ |
| characteristic |
24-hour service
ⓘ
driverless ⓘ fully automated ⓘ grade-separated ⓘ high frequency ⓘ |
| connectsWith |
Copenhagen Airport Kastrup
ⓘ
surface form:
Copenhagen Airport
Copenhagen Central Station vicinity ⓘ Movia buses ⓘ S-train network ⓘ
surface form:
S-train (Copenhagen)
regional trains ⓘ |
| country | Denmark ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem |
DOT (Din Offentlige Transport)
ⓘ
zoned fare system ⓘ |
| hasLine |
M1
ⓘ
M2 ⓘ M3 ⓘ M4 ⓘ |
| hasStructure |
at-grade sections
ⓘ
elevated sections ⓘ underground sections ⓘ |
| lineName |
City Circle Line
ⓘ
Harbour Line ⓘ M1 ⓘ M2 ⓘ M3 ⓘ M4 ⓘ |
| locatedIn | Capital Region of Denmark ⓘ |
| notableFeature | one of the first fully automated metro systems in Europe ⓘ |
| numberOfStations | over 35 ⓘ |
| openingDate | 2002-10-19 ⓘ |
| operator | Metro Service A/S ⓘ |
| owner |
Copenhagen Metro
self-linksurface differs
ⓘ
surface form:
Metroselskabet
|
| planningAuthority | Metroselskabet I/S ⓘ |
| rollingStock | driverless metro trains ⓘ |
| safetyFeature | platform screen doors at most stations ⓘ |
| serves |
Copenhagen
ⓘ
Frederiksberg ⓘ |
| servesArea |
Frederiksberg
ⓘ
Kongens Nytorv ⓘ Nørreport ⓘ Vanløse ⓘ Ørestad ⓘ |
| servicePattern | frequent trains with short headways ⓘ |
| systemLength | over 30 km ⓘ |
| ticketing |
Rejsekort
ⓘ
mobile tickets ⓘ |
| trackGauge | standard gauge ⓘ |
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: Copenhagen Metro Description of subject: Copenhagen Metro is a rapid transit system in Copenhagen, Denmark, known for its driverless trains, frequent service, and extensive underground and elevated lines connecting key parts of the city and suburbs.
Referenced by (55)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Copenhagen Metro M4