M1
E365742
M1 is a light metro line in Lausanne, Switzerland, connecting the city center with the university and lakeside areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M1 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3528792 — 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: M1 Context triple: [Lausanne, hasMetroLine, M1]
-
A.
M1
M1 is a boat line that operates as part of Geneva’s public transport network, providing passenger service across the city’s waters.
-
B.
M1
M1 is the first and primary north–south metro line of the Warsaw Metro system in Poland.
-
C.
M1
M1 is one of the main lines of the Copenhagen Metro, providing rapid transit service through central Copenhagen and connecting key residential and commercial areas.
-
D.
M1
M1 is Budapest’s historic Millennium Underground line, one of the world’s oldest metro lines and a UNESCO World Heritage site.
-
E.
M11
M11 is a major motorway in England that connects London to Cambridge and the East Anglia region.
- 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: M1 Target entity description: M1 is a light metro line in Lausanne, Switzerland, connecting the city center with the university and lakeside areas.
-
A.
M1
M1 is a boat line that operates as part of Geneva’s public transport network, providing passenger service across the city’s waters.
-
B.
M1
M1 is the first and primary north–south metro line of the Warsaw Metro system in Poland.
-
C.
M1
M1 is one of the main lines of the Copenhagen Metro, providing rapid transit service through central Copenhagen and connecting key residential and commercial areas.
-
D.
M1
M1 is Budapest’s historic Millennium Underground line, one of the world’s oldest metro lines and a UNESCO World Heritage site.
-
E.
M11
M11 is a major motorway in England that connects London to Cambridge and the East Anglia region.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
light metro line
ⓘ
metro line ⓘ public transport infrastructure ⓘ |
| alsoKnownAs |
TSOL
ⓘ
Lausanne Métro ⓘ
surface form:
Tramway du Sud-Ouest Lausannois
|
| cityServed | Lausanne ⓘ |
| connects |
Lausanne
ⓘ
surface form:
Lausanne city centre
lakeside district of Ouchy vicinity ⓘ university campus area ⓘ |
| country | Switzerland ⓘ |
| electrification | overhead line ⓘ |
| gauge | standard gauge ⓘ |
| locatedIn |
Lausanne
ⓘ
Canton of Vaud ⓘ
surface form:
canton of Vaud
|
| locatedNear | Lake Geneva ⓘ |
| network | Lausanne urban transport network ⓘ |
| operator |
Transports publics de la région lausannoise
ⓘ
tl ⓘ |
| partOf |
Lausanne Métro
ⓘ
surface form:
Lausanne Metro
|
| primaryFunction | mass transit for students and commuters ⓘ |
| regionServed |
Lausanne–Morges agglomeration
ⓘ
surface form:
Lausanne–Renens urban area
|
| serves |
Lausanne
ⓘ
surface form:
Lausanne city centre
University of Lausanne ⓘ lakeside areas of Lake Geneva ⓘ École polytechnique fédérale de Lausanne ⓘ |
| terminus |
Lausanne-Flon station
ⓘ
Renens railway station ⓘ
surface form:
Renens-Gare station
|
| transportMode |
light rail
ⓘ
metro ⓘ |
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: M1 Description of subject: M1 is a light metro line in Lausanne, Switzerland, connecting the city center with the university and lakeside areas.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.