Copeton Dam
E712023
Copeton Dam is a large water storage and recreational reservoir on the Gwydir River in New South Wales, Australia, popular for fishing, boating, and camping.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Copeton Dam canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T7843984 — 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: Copeton Dam Context triple: [Inverell, hasAttraction, Copeton Dam]
-
A.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
B.
Cotter Dam
Cotter Dam is a major water supply and flood control dam near Canberra in the Australian Capital Territory, forming part of the region’s primary drinking water storage system.
-
C.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
D.
Howden Dam
Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
-
E.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
- 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: Copeton Dam Target entity description: Copeton Dam is a large water storage and recreational reservoir on the Gwydir River in New South Wales, Australia, popular for fishing, boating, and camping.
-
A.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
B.
Cotter Dam
Cotter Dam is a major water supply and flood control dam near Canberra in the Australian Capital Territory, forming part of the region’s primary drinking water storage system.
-
C.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
-
D.
Howden Dam
Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
-
E.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
reservoir ⓘ |
| alsoKnownAs | Copeton Waters ⓘ |
| basinCountry | Australia ⓘ |
| constructionBegan | 1968 ⓘ |
| country | Australia ⓘ |
| crosses | Gwydir River ⓘ |
| damType | rock-fill embankment dam ⓘ |
| hasFeature |
boat ramps
ⓘ
camping grounds ⓘ holiday park ⓘ hydroelectric power station ⓘ picnic areas ⓘ spillway ⓘ |
| hasLandUse |
outdoor recreation
ⓘ
recreational fishing ⓘ tourism ⓘ |
| hasRecreationalActivity |
boating
ⓘ
camping ⓘ fishing ⓘ sailing ⓘ swimming ⓘ water skiing ⓘ |
| isPartOf |
Gwydir River catchment
ⓘ
linked to:
Gwydir River
|
| locatedIn | New South Wales ⓘ |
| locatedInProtectedArea | Copeton Waters State Park ⓘ |
| locatedNear | Inverell ⓘ |
| locatedOnRiver | Gwydir River ⓘ |
| managingAuthority | WaterNSW ⓘ |
| nearCity | Inverell ⓘ |
| opened | 1976 ⓘ |
| purpose |
flood mitigation
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ recreation ⓘ water supply ⓘ |
| region | New England region ⓘ |
| state | New South Wales ⓘ |
| stateParkOperator | NSW National Parks and Wildlife Service ⓘ |
| usedFor |
agricultural irrigation
ⓘ
environmental flows ⓘ town water supply ⓘ |
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: Copeton Dam Description of subject: Copeton Dam is a large water storage and recreational reservoir on the Gwydir River in New South Wales, Australia, popular for fishing, boating, and camping.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.