Tram 18
E254647
Tram 18 is a tram line in Geneva’s public transport system that connects key districts within the city and its surrounding areas.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tram 18 canonical | 1 |
| Tram line 18 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2212073 — 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: Tram 18 Context triple: [Geneva public transport network, hasTramLine, Tram 18]
-
A.
Tram 15
Tram 15 is a major tram line in Geneva’s public transport system, connecting key districts across the city and its suburbs.
-
B.
Tram 17
Tram 17 is a tram line in Geneva’s public transport system operated by the city’s transit authority.
-
C.
Tram 12
Tram 12 is a major tram line in Geneva’s public transport system, connecting key neighborhoods and suburbs across the city.
-
D.
Tram 14
Tram 14 is a major tram line in Geneva’s public transport system, connecting key districts and suburbs within the city.
-
E.
SL18 tram
The SL18 tram is a modern low-floor light rail vehicle introduced to upgrade and expand passenger service on the Oslo Tramway 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: Tram 18 Target entity description: Tram 18 is a tram line in Geneva’s public transport system that connects key districts within the city and its surrounding areas.
-
A.
Tram 15
Tram 15 is a major tram line in Geneva’s public transport system, connecting key districts across the city and its suburbs.
-
B.
Tram 17
Tram 17 is a tram line in Geneva’s public transport system operated by the city’s transit authority.
-
C.
Tram 12
Tram 12 is a major tram line in Geneva’s public transport system, connecting key neighborhoods and suburbs across the city.
-
D.
Tram 14
Tram 14 is a major tram line in Geneva’s public transport system, connecting key districts and suburbs within the city.
-
E.
SL18 tram
The SL18 tram is a modern low-floor light rail vehicle introduced to upgrade and expand passenger service on the Oslo Tramway network.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
public transport route
ⓘ
tram line ⓘ |
| category |
Public transport routes in Switzerland
ⓘ
Tram transport in Geneva ⓘ Urban rail in Switzerland ⓘ |
| connects |
central Geneva districts
ⓘ
suburban areas around Geneva ⓘ |
| country | Switzerland ⓘ |
| environmentalImpact | low-emission public transport ⓘ |
| fareSystem | integrated Geneva public transport fares ⓘ |
| locatedIn | Geneva metropolitan area ⓘ |
| network | Geneva tram network ⓘ |
| operator | Transports publics genevois ⓘ |
| partOf |
Geneva public transport system
ⓘ
linked to:
Geneva public transport network
|
| serves |
City of Geneva
ⓘ
linked to:
Geneva
canton of Geneva ⓘ |
| serviceType |
scheduled passenger service
ⓘ
urban public transport ⓘ |
| ticketValidity |
Geneva public transport passes
ⓘ
standard Geneva public transport tickets ⓘ |
| transportMode | tram ⓘ |
| usedFor |
daily commuting
ⓘ
local mobility within Geneva ⓘ |
| vehicleType | electric tram ⓘ |
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: Tram 18 Description of subject: Tram 18 is a tram line in Geneva’s public transport system that connects key districts within the city and its surrounding areas.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tram 18