M4
E245718
M4 is a boat line that operates as part of Geneva’s public transport network, providing passenger service across Lake Geneva.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2212084 — 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: M4 Context triple: [Geneva public transport network, hasBoatLine, M4]
-
A.
M40
M40 is a major British motorway linking London with Birmingham and the West Midlands.
-
B.
M44
M44 is an open star cluster in the constellation Cancer, also known as the Beehive Cluster or Praesepe, and is one of the nearest and most prominent clusters visible to the naked eye.
-
C.
M45
M45 is the Pleiades, a prominent open star cluster in the constellation Taurus visible to the naked eye and known since antiquity.
-
D.
M-45
M-45 is a state highway in Michigan that runs east–west through the Grand Rapids area toward the Lake Michigan shoreline.
-
E.
M3
M3 is a major motorway in the United Kingdom that connects London to Southampton, serving as a key route through southern England.
- 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: M4 Target entity description: M4 is a boat line that operates as part of Geneva’s public transport network, providing passenger service across Lake Geneva.
-
A.
M40
M40 is a major British motorway linking London with Birmingham and the West Midlands.
-
B.
M44
M44 is an open star cluster in the constellation Cancer, also known as the Beehive Cluster or Praesepe, and is one of the nearest and most prominent clusters visible to the naked eye.
-
C.
M45
M45 is the Pleiades, a prominent open star cluster in the constellation Taurus visible to the naked eye and known since antiquity.
-
D.
M-45
M-45 is a state highway in Michigan that runs east–west through the Grand Rapids area toward the Lake Michigan shoreline.
-
E.
M3
M3 is a major motorway in the United Kingdom that connects London to Southampton, serving as a key route through southern England.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
boat line
ⓘ
ferry service ⓘ public transport line ⓘ |
| country | Switzerland ⓘ |
| fareSystem | integrated with Geneva public transport fares ⓘ |
| isPartOfSystem | Geneva Mouettes (lake shuttle system) ⓘ |
| modeOfTransport | water transport ⓘ |
| network |
tpg Léman Express and urban network (integrated ticketing)
ⓘ
linked to:
Geneva public transport network
|
| operatesIn | Geneva ⓘ |
| operatesOn | Lake Geneva ⓘ |
| operator | Transports publics genevois ⓘ |
| partOf |
Geneva public transport network
ⓘ
Transports publics genevois network ⓘ
linked to:
Transports publics genevois
|
| primaryFunction | cross-lake passenger connection ⓘ |
| regionServed |
Canton of Geneva
ⓘ
linked to:
canton of Geneva
|
| serviceArea | urban area of Geneva ⓘ |
| serviceType | passenger transport ⓘ |
| ticketValidity | accepts standard Geneva public transport tickets and passes ⓘ |
| transportCategory | public transit ⓘ |
| usesVehicleType | boat ⓘ |
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: M4 Description of subject: M4 is a boat line that operates as part of Geneva’s public transport network, providing passenger service across Lake Geneva.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.