Western Australia–South Australia border
E1007958
The Western Australia–South Australia border is a long, mostly straight interstate boundary across the remote Nullarbor region that also marks a key time zone change between the two Australian states.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Western Australia–South Australia border canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12896084 — 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: Western Australia–South Australia border Context triple: [Eyre Highway, crossesTimeZoneBoundary, Western Australia–South Australia border]
-
A.
New South Wales–Queensland border
The New South Wales–Queensland border is the interstate boundary in eastern Australia separating the states of New South Wales and Queensland, running from the Pacific coast inland across varied terrain.
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B.
New South Wales–Australian Capital Territory border
The New South Wales–Australian Capital Territory border is the inter-state boundary separating the state of New South Wales from the Australian Capital Territory, encompassing the perimeter around Canberra.
-
C.
New South Wales–Victoria border at Albury–Wodonga
The New South Wales–Victoria border at Albury–Wodonga is a major interstate crossing point between the twin regional cities of Albury (NSW) and Wodonga (Victoria), serving as a key hub for road and rail transport between Australia’s two most populous states.
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D.
New South Wales border
The New South Wales border is the state boundary in southeastern Australia, much of which follows the Murray River and separates New South Wales from Victoria and South Australia.
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E.
Eyre Peninsula
Eyre Peninsula is a large, triangular coastal region in South Australia known for its rugged coastline, fishing and seafood industries, and popular ecotourism and outdoor recreation opportunities.
- 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: Western Australia–South Australia border Target entity description: The Western Australia–South Australia border is a long, mostly straight interstate boundary across the remote Nullarbor region that also marks a key time zone change between the two Australian states.
-
A.
New South Wales–Queensland border
The New South Wales–Queensland border is the interstate boundary in eastern Australia separating the states of New South Wales and Queensland, running from the Pacific coast inland across varied terrain.
-
B.
New South Wales–Australian Capital Territory border
The New South Wales–Australian Capital Territory border is the inter-state boundary separating the state of New South Wales from the Australian Capital Territory, encompassing the perimeter around Canberra.
-
C.
New South Wales–Victoria border at Albury–Wodonga
The New South Wales–Victoria border at Albury–Wodonga is a major interstate crossing point between the twin regional cities of Albury (NSW) and Wodonga (Victoria), serving as a key hub for road and rail transport between Australia’s two most populous states.
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D.
New South Wales border
The New South Wales border is the state boundary in southeastern Australia, much of which follows the Murray River and separates New South Wales from Victoria and South Australia.
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E.
Eyre Peninsula
Eyre Peninsula is a large, triangular coastal region in South Australia known for its rugged coastline, fishing and seafood industries, and popular ecotourism and outdoor recreation opportunities.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
internationally recognized internal administrative boundary
ⓘ
interstate border ⓘ |
| approximateLongitude | 129°E ⓘ |
| country | Australia ⓘ |
| crossesGeologicalFeature | Nullarbor limestone karst NERFINISHED ⓘ |
| crossesRegion |
Nullarbor region
NERFINISHED
ⓘ
remote arid interior of Australia ⓘ |
| definedByMeridian | 129th meridian east ⓘ |
| environment | semi-arid to arid limestone plateau ⓘ |
| establishedAsBoundary | 19th century colonial period ⓘ |
| governsJurisdiction |
policing authority division
ⓘ
state-based legal systems ⓘ state-based taxation and duties ⓘ state-based vehicle registration rules ⓘ |
| hasAdjacentLandUse |
conservation reserves
ⓘ
pastoral leases ⓘ |
| hasAdjacentTimeZoneEast | Australian Central Standard Time NERFINISHED ⓘ |
| hasAdjacentTimeZoneWest | Australian Western Standard Time NERFINISHED ⓘ |
| hasCoordinateSystem | geodetic meridian-based boundary ⓘ |
| hasCulturalPerception | symbolic divide between western and central Australia ⓘ |
| hasFeature | time zone information signs ⓘ |
| hasLength |
approximately 435 miles
ⓘ
approximately 700 kilometres ⓘ |
| hasNamedCrossingPoint |
Border Village
NERFINISHED
ⓘ
Eucla Pass vicinity NERFINISHED ⓘ |
| hasNoMajorRivers | true GENERATED ⓘ |
| hasRoadCrossing | Eyre Highway NERFINISHED ⓘ |
| hasSignage | roadside border signs on Eyre Highway ⓘ |
| hasSurveyHistory | subject to historical surveying errors and corrections ⓘ |
| isRemote | true ⓘ |
| legalStatus | state boundary defined by Australian and colonial legislation ⓘ |
| locatedInRegion |
Great Australian Bight hinterland
NERFINISHED
ⓘ
Nullarbor Plain NERFINISHED ⓘ |
| mapRepresentation | straight meridian line on most maps ⓘ |
| marksTimeZoneBoundary |
South Australian time zone
ⓘ
Western Australian time zone NERFINISHED ⓘ |
| marksTimeZoneChange | UTC+08:00 to UTC+09:30 ⓘ |
| nearLocality |
Eucla, Western Australia
NERFINISHED
ⓘ
Nullarbor, South Australia NERFINISHED ⓘ |
| orientation | north–south ⓘ |
| passesThrough | Eyre Highway corridor NERFINISHED ⓘ |
| populationDensity | very low ⓘ |
| relevantFor |
interstate travel between Perth and Adelaide
ⓘ
long-distance freight routes across southern Australia ⓘ |
| separatesState |
South Australia
NERFINISHED
ⓘ
Western Australia NERFINISHED ⓘ |
| shape | mostly straight line ⓘ |
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: Western Australia–South Australia border Description of subject: The Western Australia–South Australia border is a long, mostly straight interstate boundary across the remote Nullarbor region that also marks a key time zone change between the two Australian states.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.