Hawkesbury–Nepean catchment
E320963
The Hawkesbury–Nepean catchment is a major river system and drainage basin in New South Wales, Australia, encompassing extensive urban, agricultural, and natural areas west and north of Sydney.
All labels observed (11)
How this entity was disambiguated
This entity first appeared as the object of triple T2992321 — 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: Hawkesbury–Nepean catchment Context triple: [Grose Valley, drainageBasin, Hawkesbury–Nepean catchment]
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A.
Murrumbidgee catchment
The Murrumbidgee catchment is the river basin and drainage area that collects and channels water into the Murrumbidgee River within the Murray–Darling Basin in southeastern Australia.
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B.
Parramatta River
The Parramatta River is a major waterway in Sydney, Australia, forming the western arm of Sydney Harbour and flowing through key suburban and commercial areas.
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C.
Trent catchment
The Trent catchment is the river basin area that collects precipitation and surface water feeding into the River Trent in central England.
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D.
Clarence River basin
The Clarence River basin is a major river catchment in northeastern New South Wales, Australia, encompassing diverse upland and coastal landscapes and supporting significant agriculture, ecosystems, and regional communities.
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E.
Murrumbidgee River
The Murrumbidgee River is a major inland river in southeastern Australia that flows through New South Wales and the Australian Capital Territory before joining the Murray River.
- 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: Hawkesbury–Nepean catchment Target entity description: The Hawkesbury–Nepean catchment is a major river system and drainage basin in New South Wales, Australia, encompassing extensive urban, agricultural, and natural areas west and north of Sydney.
-
A.
Murrumbidgee catchment
The Murrumbidgee catchment is the river basin and drainage area that collects and channels water into the Murrumbidgee River within the Murray–Darling Basin in southeastern Australia.
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B.
Parramatta River
The Parramatta River is a major waterway in Sydney, Australia, forming the western arm of Sydney Harbour and flowing through key suburban and commercial areas.
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C.
Trent catchment
The Trent catchment is the river basin area that collects precipitation and surface water feeding into the River Trent in central England.
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D.
Clarence River basin
The Clarence River basin is a major river catchment in northeastern New South Wales, Australia, encompassing diverse upland and coastal landscapes and supporting significant agriculture, ecosystems, and regional communities.
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E.
Murrumbidgee River
The Murrumbidgee River is a major inland river in southeastern Australia that flows through New South Wales and the Australian Capital Territory before joining the Murray River.
- F. None of above. chosen
Statements (48)
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: Hawkesbury–Nepean catchment Description of subject: The Hawkesbury–Nepean catchment is a major river system and drainage basin in New South Wales, Australia, encompassing extensive urban, agricultural, and natural areas west and north of Sydney.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hawkesbury–Nepean river system
this entity surface form:
Hawkesbury River region
this entity surface form:
Hawkesbury-Nepean River
this entity surface form:
Wollondilly River region
this entity surface form:
Hawkesbury-Nepean catchment
this entity surface form:
Sydney water catchment
this entity surface form:
Hawkesbury–Nepean River system
this entity surface form:
Hawkesbury River system
this entity surface form:
Upper Nepean River region, New South Wales
this entity surface form:
Upper Nepean River catchment