M2
E365743
M2 is a metro line in Lausanne, Switzerland, forming part of the city's urban rapid transit network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3528793 — 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: M2 Context triple: [Lausanne, hasMetroLine, M2]
-
A.
M2
M2 is a boat line that operates as part of Geneva’s public transport network, providing passenger services across the city’s waters.
-
B.
M2
M2 is a major British motorway that connects London with the port town of Dover in Kent, serving as an important route to the Channel ports.
-
C.
M2
M2 was the original name of MTV2, a U.S. cable television channel that focused on music videos and youth-oriented programming.
-
D.
M2
M2 is the second line of the Warsaw Metro, running east–west across the city and connecting key districts on both sides of the Vistula River.
-
E.
M2
M2 is one of the main lines of the Copenhagen Metro, connecting central Copenhagen with key districts and the airport.
- 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: M2 Target entity description: M2 is a metro line in Lausanne, Switzerland, forming part of the city's urban rapid transit network.
-
A.
M2
M2 is a major British motorway that connects London with the port town of Dover in Kent, serving as an important route to the Channel ports.
-
B.
M2
M2 is a boat line that operates as part of Geneva’s public transport network, providing passenger services across the city’s waters.
-
C.
M2
M2 is the second line of the Warsaw Metro, running east–west across the city and connecting key districts on both sides of the Vistula River.
-
D.
M2
M2 was the original name of MTV2, a U.S. cable television channel that focused on music videos and youth-oriented programming.
-
E.
M2
M2 is one of the main lines of the Copenhagen Metro, connecting central Copenhagen with key districts and the airport.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| automationLevel | driverless operation ⓘ |
| character | underground and elevated ⓘ |
| cityServed | Lausanne ⓘ |
| color | purple ⓘ |
| country | Switzerland ⓘ |
| electrification | 750 V DC third rail ⓘ |
| endStation | Croisettes ⓘ |
| gauge | standard gauge ⓘ |
| hasInterchange |
Lausanne railway station
ⓘ
Lausanne-Flon (M1 line) ⓘ
linked to:
Lausanne-Flon station
|
| lineNumber | 2 ⓘ |
| locatedIn |
Canton of Vaud
ⓘ
Lausanne ⓘ Switzerland ⓘ |
| modeOfTransport | metro ⓘ |
| notableFeature | first fully automated metro line in Switzerland ⓘ |
| numberOfTracks | 2 ⓘ |
| opened | 27 October 2008 ⓘ |
| openingDate | 2008-10-27 ⓘ |
| operator |
TL
ⓘ
Transports publics de la région lausannoise ⓘ |
| partOf |
Lausanne Metro
ⓘ
linked to:
Lausanne Métro
|
| publicTransportType | urban rail ⓘ |
| rollingStock | Rubber-tyred metro trains ⓘ |
| servesArea |
Lausanne city centre
ⓘ
linked to:
Lausanne, Switzerland
Ouchy waterfront ⓘ
linked to:
Ouchy
northern districts of Lausanne ⓘ |
| servesStation |
Bessières
ⓘ
CHUV ⓘ
linked to:
Lausanne University Hospital
Croisettes ⓘ Délices ⓘ Fourmi ⓘ Grancy ⓘ Jordils ⓘ Lausanne-Flon ⓘ Lausanne-Gare ⓘ
linked to:
Lausanne railway station
Malley ⓘ Montelly ⓘ Ouchy–Olympique ⓘ
linked to:
Ouchy-Olympique
Ours ⓘ Riponne–Maurice Béjart ⓘ
linked to:
Maurice Béjart
Sallaz ⓘ Vennes ⓘ Vigie ⓘ |
| startStation |
Ouchy–Olympique
ⓘ
linked to:
Ouchy-Olympique
|
| system |
Lausanne urban rapid transit network
ⓘ
linked to:
Lausanne Métro
|
| technology | rubber-tyred metro ⓘ |
| terminus |
Croisettes
ⓘ
Ouchy–Olympique ⓘ
linked to:
Ouchy-Olympique
|
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: M2 Description of subject: M2 is a metro line in Lausanne, Switzerland, forming part of the city's urban rapid transit network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.