Carris trams
E461005
Carris trams are the historic yellow streetcars that form part of Lisbon’s public transport network, operating on several scenic and hilly routes throughout the city.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Carris trams canonical | 2 |
| Carris tram lines | 1 |
| Carris tram system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4692330 — 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: Carris trams Context triple: [Viva Viagem smart card, usedOn, Carris trams]
-
A.
Cobra trams
Cobra trams are a modern low-floor tram type used in the Bern tram network, known for their articulated design and improved passenger accessibility.
-
B.
Sun Link modern streetcar
Sun Link modern streetcar is Tucson’s electric streetcar system that provides fixed-rail public transit service through the city’s central corridors.
-
C.
Bombardier Cityrunner trams
Bombardier Cityrunner trams are a family of low-floor, modern light rail vehicles designed for urban public transport systems in various cities worldwide.
-
D.
Alstom Citadis tram
The Alstom Citadis tram is a family of modern low-floor light rail vehicles widely used in urban tram networks around the world.
-
E.
Stadler Tango trams
Stadler Tango trams are modern, low-floor light rail vehicles built by Stadler Rail, commonly used in European cities for high-capacity, urban public transport services.
- 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: Carris trams Target entity description: Carris trams are the historic yellow streetcars that form part of Lisbon’s public transport network, operating on several scenic and hilly routes throughout the city.
-
A.
Cobra trams
Cobra trams are a modern low-floor tram type used in the Bern tram network, known for their articulated design and improved passenger accessibility.
-
B.
Sun Link modern streetcar
Sun Link modern streetcar is Tucson’s electric streetcar system that provides fixed-rail public transit service through the city’s central corridors.
-
C.
Bombardier Cityrunner trams
Bombardier Cityrunner trams are a family of low-floor, modern light rail vehicles designed for urban public transport systems in various cities worldwide.
-
D.
Alstom Citadis tram
The Alstom Citadis tram is a family of modern low-floor light rail vehicles widely used in urban tram networks around the world.
-
E.
Stadler Tango trams
Stadler Tango trams are modern, low-floor light rail vehicles built by Stadler Rail, commonly used in European cities for high-capacity, urban public transport services.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
public transport service
ⓘ
tourist attraction ⓘ tram network ⓘ |
| branding | Carris yellow livery ⓘ |
| cityServed | Lisbon ⓘ |
| color | yellow ⓘ |
| country | Portugal ⓘ |
| fareSystem | integrated with Lisbon buses and metro ⓘ |
| heritageRollingStock | remodelado trams ⓘ |
| heritageStatus | historic trams ⓘ |
| inception | early 20th century ⓘ |
| infrastructure | overhead catenary ⓘ |
| locatedIn | Lisbon ⓘ |
| mainUsers |
local commuters
ⓘ
tourists ⓘ |
| notableRoute |
Route 12E
ⓘ
Route 28E ⓘ |
| operatingEnvironment | historic city center ⓘ |
| operator | Carris ⓘ |
| owner | Carris ⓘ |
| partOf | Lisbon public transport network ⓘ |
| propulsion | electricity ⓘ |
| regulatoryBody |
Lisbon municipality
ⓘ
linked to:
Municipality of Lisbon
|
| safetyFeature | operate at low speeds in historic areas ⓘ |
| serviceArea |
Alfama
ⓘ
Baixa ⓘ Estrela ⓘ Graça ⓘ Prazeres ⓘ |
| servicePattern | scheduled public service ⓘ |
| sloganRole | symbol of Lisbon’s identity ⓘ |
| terrainServed |
hilly routes
ⓘ
narrow streets ⓘ |
| ticketing |
contactless cards accepted
ⓘ
onboard validation ⓘ |
| tourismImportance | major Lisbon icon ⓘ |
| trackGauge | narrow gauge ⓘ |
| transportType | streetcar ⓘ |
| usedFor |
sightseeing
ⓘ
urban transport ⓘ |
| vehicleType | single-car 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: Carris trams Description of subject: Carris trams are the historic yellow streetcars that form part of Lisbon’s public transport network, operating on several scenic and hilly routes throughout the city.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Carris trams
linked to: Carris trams