Yarra Trams
E625539
Yarra Trams is the operator of Melbourne’s extensive electric tram network, the largest urban tram system in the world.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Yarra Trams canonical | 33 |
| Yarra Trams network | 6 |
| Yarra Trams depot network | 2 |
| Yarra Trams depot system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6863949 — 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: Yarra Trams Context triple: [Myki, usedOnNetwork, Yarra Trams]
-
A.
Melbourne W-class tram
The Melbourne W-class tram is an iconic early-20th-century electric tram from Melbourne, Australia, renowned for its distinctive green-and-cream livery and wooden interior, many of which now operate as historic streetcars in cities such as San Francisco.
-
B.
TPG tram network
The TPG tram network is the urban tram system serving Geneva, Switzerland, operated by Transports Publics Genevois as part of the city’s public transport network.
-
C.
Melbourne tram network
The Melbourne tram network is an extensive electric tram system that serves as a key component of public transport across Melbourne, Australia, and is one of the largest tram networks in the world.
-
D.
Carris trams
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.
-
E.
Metro Trains Melbourne
Metro Trains Melbourne is the suburban rail operator responsible for running Melbourne’s metropolitan train network under contract to the Victorian government.
- 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: Yarra Trams Target entity description: Yarra Trams is the operator of Melbourne’s extensive electric tram network, the largest urban tram system in the world.
-
A.
Melbourne W-class tram
The Melbourne W-class tram is an iconic early-20th-century electric tram from Melbourne, Australia, renowned for its distinctive green-and-cream livery and wooden interior, many of which now operate as historic streetcars in cities such as San Francisco.
-
B.
TPG tram network
The TPG tram network is the urban tram system serving Geneva, Switzerland, operated by Transports Publics Genevois as part of the city’s public transport network.
-
C.
Melbourne tram network
The Melbourne tram network is an extensive electric tram system that serves as a key component of public transport across Melbourne, Australia, and is one of the largest tram networks in the world.
-
D.
Carris trams
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.
-
E.
Metro Trains Melbourne
Metro Trains Melbourne is the suburban rail operator responsible for running Melbourne’s metropolitan train network under contract to the Victorian government.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
public transport operator
ⓘ
tram operator ⓘ |
| country | Australia ⓘ |
| environmentalBenefit | electric zero tailpipe emissions at point of use ⓘ |
| fareIntegrationWith |
Melbourne bus network
ⓘ
Metro Trains Melbourne ⓘ V/Line (within myki area) ⓘ
linked to:
V/Line
|
| fareSystem |
myki
ⓘ
linked to:
Myki
|
| hasBrandColor |
green
ⓘ
white ⓘ yellow ⓘ |
| headquartersLocation | Melbourne ⓘ |
| infrastructureType |
street-running tram tracks
ⓘ
tram depots ⓘ tram substations ⓘ |
| isMajorTouristAttractionComponentOf | Melbourne city experience ⓘ |
| maintenanceResponsibility |
tram fleet maintenance
ⓘ
tram infrastructure maintenance ⓘ |
| modeOfTransport | tram ⓘ |
| networkScale | largest urban tram system in the world ⓘ |
| networkType | electric tram network ⓘ |
| notableFeature |
key component of Melbourne’s public transport system
ⓘ
operates one of the world’s most extensive tram networks ⓘ |
| operatesIconicService |
City Circle Tram
ⓘ
linked to:
City Circle tram service
|
| operatesInCity | Melbourne ⓘ |
| operatesInState | Victoria ⓘ |
| operatesNetwork | Melbourne tram network ⓘ |
| operatesOnGauge | standard gauge (inferred: check needed) ⓘ |
| operatesService |
scheduled tram routes
ⓘ
special event tram services ⓘ |
| operatesUnderContractWith |
Department of Transport and Planning (Victoria)
ⓘ
Victorian Government ⓘ
linked to:
Government of Victoria
|
| primaryPowerSource | electricity ⓘ |
| providesService | passenger transport ⓘ |
| regionServed | Greater Melbourne ⓘ |
| safetyResponsibility | tram operations safety ⓘ |
| serviceType |
public transport
ⓘ
urban transit ⓘ |
| supportsPolicyGoal |
reduction of car dependency in Melbourne
ⓘ
sustainable urban transport in Victoria ⓘ |
| transportModeCategory | rail-based urban transport ⓘ |
| usesInfrastructureOwner |
Victorian Government
ⓘ
linked to:
Government of Victoria
|
| vehicleTypeOperated |
articulated trams
ⓘ
high-floor trams ⓘ low-floor trams ⓘ |
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: Yarra Trams Description of subject: Yarra Trams is the operator of Melbourne’s extensive electric tram network, the largest urban tram system in the world.
Referenced by (42)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Yarra Trams
linked to: Yarra Trams
linked to: Yarra Trams
linked to: Yarra Trams
linked to: Yarra Trams
linked to: Yarra Trams
linked to: Yarra Trams
linked to: Yarra Trams
linked to: Yarra Trams