T4
E427442
T4 is a tram line serving the city of Villeurbanne as part of the Lyon metropolitan public transport network in France.
All labels observed (1)
| Label | Occurrences |
|---|---|
| T4 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4259572 — 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: T4 Context triple: [Villeurbanne, hasTramLine, T4]
-
A.
T4
T4 is one of the lines of the Athens tram system, providing urban light-rail service across part of the Athens metropolitan area.
-
B.
T4
T4 is a light rail/tram line of the Trambesòs network serving the Barcelona metropolitan area.
-
C.
T4
T4 is a tram line that forms part of the urban light rail network serving the city of Casablanca, Morocco.
-
D.
T3
T3 is one of the main lines of the Athens tram system, providing light rail service that connects key coastal and urban areas of the city.
-
E.
T3
T3 is a tram line within the Casablanca Tramway network that serves as one of the city’s main urban light rail routes.
- 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: T4 Target entity description: T4 is a tram line serving the city of Villeurbanne as part of the Lyon metropolitan public transport network in France.
-
A.
T4
T4 is a light rail/tram line of the Trambesòs network serving the Barcelona metropolitan area.
-
B.
T4
T4 is one of the lines of the Athens tram system, providing urban light-rail service across part of the Athens metropolitan area.
-
C.
T4
T4 is a tram line that forms part of the urban light rail network serving the city of Casablanca, Morocco.
-
D.
T3
T3 is one of the main lines of the Athens tram system, providing light rail service that connects key coastal and urban areas of the city.
-
E.
T3
T3 is one of the tram lines of the Trambaix light rail network serving the Barcelona metropolitan area.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
public transport route
ⓘ
tram line ⓘ |
| country | France ⓘ |
| electrification | overhead line ⓘ |
| fareIntegrationWith |
Lyon bus network
ⓘ
Lyon metro network ⓘ
linked to:
Lyon Metro
other Lyon tram lines ⓘ |
| fareSystem | Lyon TCL zonal fare system ⓘ |
| hasAccessibility | wheelchair-accessible ⓘ |
| hasOwner |
Lyon metropolitan transport authority
ⓘ
linked to:
Transports en Commun Lyonnais
|
| hasRollingStockType | low-floor tram ⓘ |
| locatedIn |
Auvergne-Rhône-Alpes
ⓘ
linked to:
Auvergne-Rhône-Alpes region
Lyon metropolitan area ⓘ |
| networkOperator | SYTRAL Mobilités ⓘ |
| operatedBy |
TCL (Transports en Commun Lyonnais)
ⓘ
linked to:
Transports en Commun Lyonnais
|
| partOf |
Lyon public transport network
ⓘ
linked to:
Lyon urban transport network
Lyon tramway ⓘ
linked to:
Lyon tramway network
|
| publicTransportSystem |
TCL network
ⓘ
linked to:
TCL
|
| serves |
Lyon metropolitan area
ⓘ
Villeurbanne ⓘ |
| servesFunction |
commuter transport
ⓘ
urban transit ⓘ |
| trackGauge | standard gauge ⓘ |
| transportMode | tram ⓘ |
| usesTicketingSystem | TCL ticketing system ⓘ |
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: T4 Description of subject: T4 is a tram line serving the city of Villeurbanne as part of the Lyon metropolitan public transport network in France.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.