Public Transport Authority of Western Australia
E408126
The Public Transport Authority of Western Australia is the state government agency responsible for planning, operating, and regulating Western Australia’s public transport systems, including metropolitan and regional services.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Public Transport Authority of Western Australia canonical | 25 |
| Public Transport Authority (Western Australia) | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3957989 — 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: Public Transport Authority of Western Australia Context triple: [Transperth, governingBody, Public Transport Authority of Western Australia]
-
A.
Transperth
Transperth is the integrated public transport network serving the Perth metropolitan area in Western Australia, encompassing bus, train, and ferry services.
-
B.
State Transit Authority of New South Wales
The State Transit Authority of New South Wales was a government-owned operator responsible for providing bus services in the Sydney metropolitan area and surrounding regions.
-
C.
Transport for NSW
Transport for NSW is the New South Wales government agency responsible for planning, coordinating, and managing the state’s transport systems, including roads, public transit, and maritime services.
-
D.
TransLink
TransLink was the original name of the San Francisco Bay Area’s regional contactless transit fare payment system, later rebranded as the Clipper card.
-
E.
TransLink
TransLink is the regional transportation authority that plans, manages, and operates public transit and related transportation services across Metro Vancouver, British Columbia.
- 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: Public Transport Authority of Western Australia Target entity description: The Public Transport Authority of Western Australia is the state government agency responsible for planning, operating, and regulating Western Australia’s public transport systems, including metropolitan and regional services.
-
A.
Transperth
Transperth is the integrated public transport network serving the Perth metropolitan area in Western Australia, encompassing bus, train, and ferry services.
-
B.
State Transit Authority of New South Wales
The State Transit Authority of New South Wales was a government-owned operator responsible for providing bus services in the Sydney metropolitan area and surrounding regions.
-
C.
Transport for NSW
Transport for NSW is the New South Wales government agency responsible for planning, coordinating, and managing the state’s transport systems, including roads, public transit, and maritime services.
-
D.
TransLink
TransLink was the original name of the San Francisco Bay Area’s regional contactless transit fare payment system, later rebranded as the Clipper card.
-
E.
TransLink
TransLink is the regional transportation authority that plans, manages, and operates public transit and related transportation services across Metro Vancouver, British Columbia.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
government agency
ⓘ
public transport authority ⓘ |
| abbreviation | PTA ⓘ |
| coordinatesWith | Department of Transport of Western Australia ⓘ |
| country | Australia ⓘ |
| headquartersLocation |
Perth
ⓘ
Western Australia ⓘ |
| industry | public transport ⓘ |
| jurisdiction | Government of Western Australia ⓘ |
| languageOfWorkOrName | English ⓘ |
| legalForm | statutory authority ⓘ |
| mandate |
provide safe and reliable public transport services
ⓘ
support sustainable transport in Western Australia ⓘ |
| operatesIn |
Perth metropolitan area
ⓘ
linked to:
Perth region
regional Western Australia ⓘ |
| oversees |
passenger rail network in Perth
ⓘ
public bus network in Perth ⓘ public ferry network in Perth ⓘ public transport infrastructure in Western Australia ⓘ |
| ownedBy |
State of Western Australia
ⓘ
linked to:
Western Australia
|
| parentOrganization | Government of Western Australia ⓘ |
| partOf | public transport system of Western Australia ⓘ |
| regionServed | Western Australia ⓘ |
| regulates | public transport services in Western Australia ⓘ |
| responsibleFor |
Transperth
ⓘ
Transwa ⓘ bus services in Perth ⓘ ferry services in Perth ⓘ metropolitan public transport services in Western Australia ⓘ public transport in Western Australia ⓘ regional coach services in Western Australia ⓘ regional public transport services in Western Australia ⓘ regional rail services in Western Australia ⓘ school bus services in Western Australia ⓘ urban passenger rail services in Perth ⓘ |
| role |
operating public transport services
ⓘ
planning public transport services ⓘ regulating public transport services ⓘ |
| sector | public sector ⓘ |
| serviceType |
bus transport
ⓘ
coach transport ⓘ ferry transport ⓘ rail transport ⓘ school bus transport ⓘ |
| state | Western Australia ⓘ |
| website | https://www.pta.wa.gov.au/ ⓘ |
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: Public Transport Authority of Western Australia Description of subject: The Public Transport Authority of Western Australia is the state government agency responsible for planning, operating, and regulating Western Australia’s public transport systems, including metropolitan and regional services.
Referenced by (28)
Full triples — surface form annotated when it differs from this entity's canonical label.
Australian rail network
→
hasInfrastructureManager
→
Public Transport Authority of Western Australia
ⓘ
subject linked to:
Platform 5
subject linked to:
Platform 7
South Western Railway (Western Australia)
→
owner
→
Public Transport Authority of Western Australia
ⓘ
South Western Railway (Western Australia)
→
operator
→
Public Transport Authority of Western Australia
ⓘ
linked to: Public Transport Authority of Western Australia
linked to: Public Transport Authority of Western Australia
linked to: Public Transport Authority of Western Australia