Lake Alexandrina
E168091
Lake Alexandrina is a large, shallow freshwater lake in South Australia near the mouth of the Murray River, significant for its ecological value and cultural importance to the Ngarrindjeri people.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Lake Alexandrina canonical | 13 |
| Lake Alexandrina (regionally nearby) | 1 |
| Lake Alexandrina, South Australia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1457973 — 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: Lake Alexandrina Context triple: [Ngarrindjeri people, traditionalCustodiansOf, Lake Alexandrina]
-
A.
Lake Eucumbene
Lake Eucumbene is a large artificial reservoir in New South Wales, Australia, central to the Snowy Mountains Scheme for hydroelectric power generation and water storage.
-
B.
Lake Moondarra
Lake Moondarra is an artificial reservoir near Mount Isa in Queensland, Australia, primarily used for the city’s water supply and recreational activities such as fishing and boating.
-
C.
Lake Cargelligo
Lake Cargelligo is a rural town in New South Wales, Australia, known for its large inland lake, agriculture, and role as a service centre for the surrounding farming region.
-
D.
Lake Wabby
Lake Wabby is a unique perched and barrage lake on K'gari (Fraser Island) in Queensland, Australia, known for its deep green waters nestled beside a large sand dune.
-
E.
Tuggerah Lake
Tuggerah Lake is a large coastal lagoon on the New South Wales Central Coast in Australia, known for its wetlands, recreational fishing, and boating.
- 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: Lake Alexandrina Target entity description: Lake Alexandrina is a large, shallow freshwater lake in South Australia near the mouth of the Murray River, significant for its ecological value and cultural importance to the Ngarrindjeri people.
-
A.
Lake Eucumbene
Lake Eucumbene is a large artificial reservoir in New South Wales, Australia, central to the Snowy Mountains Scheme for hydroelectric power generation and water storage.
-
B.
Lake Moondarra
Lake Moondarra is an artificial reservoir near Mount Isa in Queensland, Australia, primarily used for the city’s water supply and recreational activities such as fishing and boating.
-
C.
Lake Cargelligo
Lake Cargelligo is a rural town in New South Wales, Australia, known for its large inland lake, agriculture, and role as a service centre for the surrounding farming region.
-
D.
Lake Wabby
Lake Wabby is a unique perched and barrage lake on K'gari (Fraser Island) in Queensland, Australia, known for its deep green waters nestled beside a large sand dune.
-
E.
Tuggerah Lake
Tuggerah Lake is a large coastal lagoon on the New South Wales Central Coast in Australia, known for its wetlands, recreational fishing, and boating.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
lake ⓘ |
| averageDepth | approximately 2.8 metres ⓘ |
| basinCountry | Australia ⓘ |
| country | Australia ⓘ |
| elevationAboveSeaLevel | approximately 0.75 metres ⓘ |
| hasCulturalSignificanceFor | Ngarrindjeri people ⓘ |
| hasEcologicalSignificance |
important habitat for waterbirds
ⓘ
part of a Ramsar-listed wetland system (Coorong and Lakes Alexandrina and Albert) ⓘ |
| hasEnvironmentalIssues |
impacts from upstream water extraction
ⓘ
salinity management ⓘ water level variability ⓘ |
| hasInfrastructure |
barrages at Boundary Creek
ⓘ
barrages at Ewe Island ⓘ barrages at Goolwa ⓘ barrages at Mundoo ⓘ barrages at Tauwitchere ⓘ |
| inflow |
Angas River
NERFINISHED
ⓘ
Bremer River (South Australia) ⓘ Finniss River (South Australia) ⓘ Murray River NERFINISHED ⓘ |
| isLargestLakeIn | South Australia (by surface area) ⓘ |
| isNaturalLake | true ⓘ |
| isShallow | true ⓘ |
| locatedIn |
Murray–Darling Basin
ⓘ
surface form:
Murray–Darling basin
South Australia ⓘ |
| locatedNear |
Coorong Lagoon
ⓘ
surface form:
Coorong National Park
Goolwa ⓘ Meningie ⓘ Milang ⓘ |
| managingAuthority | Government of South Australia ⓘ |
| maximumDepth | approximately 6 metres ⓘ |
| near |
Murray River
ⓘ
surface form:
Mouth of the Murray River
|
| outflow |
Lake Albert
ⓘ
Murray River NERFINISHED ⓘ |
| partOf |
Ramsar-listed Coorong and Lower Lakes wetlands
ⓘ
surface form:
Coorong and Lakes Alexandrina and Albert Wetland
Lower Lakes ⓘ |
| RamsarSiteDesignationYear | 1985 ⓘ |
| region |
Fleurieu Peninsula
ⓘ
surface form:
Fleurieu and Kangaroo Island region
|
| separatedFrom | Coorong Lagoon by barrages ⓘ |
| surfaceArea | approximately 649 square kilometres ⓘ |
| traditionalOwners | Ngarrindjeri people ⓘ |
| usedFor |
fishing
ⓘ
irrigation ⓘ recreation ⓘ |
| waterType | freshwater ⓘ |
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: Lake Alexandrina Description of subject: Lake Alexandrina is a large, shallow freshwater lake in South Australia near the mouth of the Murray River, significant for its ecological value and cultural importance to the Ngarrindjeri people.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lake Alexandrina, South Australia
this entity surface form:
Lake Alexandrina (regionally nearby)