T1
E427441
T1 is a tram line serving the Lyon metropolitan area in France, connecting key districts including Villeurbanne.
All labels observed (1)
| Label | Occurrences |
|---|---|
| T1 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4259571 — 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: T1 Context triple: [Villeurbanne, hasTramLine, T1]
-
A.
T1
T1 is one of the tram routes of the Trambaix light rail network serving the Barcelona metropolitan area.
-
B.
T1
T1 is one of the main tram lines in Casablanca’s urban light rail network, providing mass transit service across key districts of the city.
-
C.
the T
The T is the public transit system serving the Greater Boston area, operated by the Massachusetts Bay Transportation Authority.
-
D.
T2
T2 is San Francisco International Airport’s Terminal 2, a modern passenger terminal serving domestic flights with updated amenities and design.
-
E.
T2
T2 is a passenger terminal at Berlin Brandenburg Airport that handles check-in, security, and boarding operations for departing and arriving travelers.
- 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: T1 Target entity description: T1 is a tram line serving the Lyon metropolitan area in France, connecting key districts including Villeurbanne.
-
A.
T1
T1 is one of the tram routes of the Trambaix light rail network serving the Barcelona metropolitan area.
-
B.
T1
T1 is one of the main tram lines in Casablanca’s urban light rail network, providing mass transit service across key districts of the city.
-
C.
the T
The T is the public transit system serving the Greater Boston area, operated by the Massachusetts Bay Transportation Authority.
-
D.
T2
T2 is a Sydney Trains suburban rail service designation used for the Inner West & Leppington Line in the Sydney metropolitan network.
-
E.
T2
T2 is San Francisco International Airport’s Terminal 2, a modern passenger terminal serving domestic flights with updated amenities and design.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
public transport route
ⓘ
tram line ⓘ |
| connects | key districts of Lyon metropolitan area ⓘ |
| connectsDistrict |
Lyon city centre
ⓘ
linked to:
Lyon
Villeurbanne ⓘ business districts in Lyon metropolitan area ⓘ |
| country | France ⓘ |
| electrification | overhead line ⓘ |
| fareSystem |
TCL fare network
ⓘ
linked to:
TCL fare system
|
| hasMode | light rail ⓘ |
| hasRole | urban transit corridor ⓘ |
| hasVehicleType | tramway rolling stock ⓘ |
| isInMetropolitanArea | Lyon metropolitan area ⓘ |
| locatedIn |
Auvergne-Rhône-Alpes
ⓘ
linked to:
Auvergne-Rhône-Alpes region
|
| network |
Lyon urban public transport network
ⓘ
linked to:
Lyon urban transport network
|
| operatedBy |
TCL (Transports en Commun Lyonnais)
ⓘ
linked to:
Transports en Commun Lyonnais
|
| partOf | Lyon tramway network ⓘ |
| primaryFunction | public passenger transport ⓘ |
| regionServed | eastern Lyon urban area ⓘ |
| serves |
Lyon
ⓘ
Lyon metropolitan area ⓘ Villeurbanne ⓘ |
| serviceType | regular passenger service ⓘ |
| transportType | tram ⓘ |
| uses | tram tracks ⓘ |
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: T1 Description of subject: T1 is a tram line serving the Lyon metropolitan area in France, connecting key districts including Villeurbanne.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.