Lake Roxburgh
E851206
Lake Roxburgh is a man-made reservoir in Central Otago, New Zealand, formed by the Roxburgh Dam on the Clutha River / Mata-Au and used for hydroelectric power generation and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Roxburgh canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6041300 — 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 Roxburgh Context triple: [Clutha River / Mata-Au, hasReservoir, Lake Roxburgh]
-
A.
Lake Roxen
Lake Roxen is a large lake in Östergötland County in south-central Sweden, known as an important link in the country’s inland waterway system.
-
B.
Fairview Lake
Fairview Lake is a small recreational and residential lake located in the city of Fairview in Multnomah County, Oregon.
-
C.
Hollingworth Lake
Hollingworth Lake is a large artificial reservoir and popular recreational spot in Greater Manchester, England, known for watersports, walking trails, and wildlife.
-
D.
Muldrew Lake
Muldrew Lake is a scenic freshwater lake in Ontario’s Muskoka region, popular for cottages, boating, and outdoor recreation near the town of Gravenhurst.
-
E.
Threenarrows Lake
Threenarrows Lake is a remote backcountry lake in Ontario’s Killarney Provincial Park, known for its rugged wilderness setting and canoe-camping 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: Lake Roxburgh Target entity description: Lake Roxburgh is a man-made reservoir in Central Otago, New Zealand, formed by the Roxburgh Dam on the Clutha River / Mata-Au and used for hydroelectric power generation and recreation.
-
A.
Lake Roxen
Lake Roxen is a large lake in Östergötland County in south-central Sweden, known as an important link in the country’s inland waterway system.
-
B.
Fairview Lake
Fairview Lake is a small recreational and residential lake located in the city of Fairview in Multnomah County, Oregon.
-
C.
Hollingworth Lake
Hollingworth Lake is a large artificial reservoir and popular recreational spot in Greater Manchester, England, known for watersports, walking trails, and wildlife.
-
D.
Muldrew Lake
Muldrew Lake is a scenic freshwater lake in Ontario’s Muskoka region, popular for cottages, boating, and outdoor recreation near the town of Gravenhurst.
-
E.
Threenarrows Lake
Threenarrows Lake is a remote backcountry lake in Ontario’s Killarney Provincial Park, known for its rugged wilderness setting and canoe-camping opportunities.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry | New Zealand NERFINISHED ⓘ |
| country | New Zealand ⓘ |
| createdByProject | Roxburgh hydroelectric scheme NERFINISHED ⓘ |
| formedBy | Roxburgh Dam NERFINISHED ⓘ |
| formedFor |
electricity generation
ⓘ
flood control ⓘ river regulation ⓘ |
| hasActivity |
boating
ⓘ
fishing ⓘ kayaking ⓘ swimming ⓘ water skiing ⓘ |
| hasFishSpecies |
salmon
ⓘ
trout ⓘ |
| hasManagingAuthority | Contact Energy NERFINISHED ⓘ |
| hasNearbyLocalGovernmentArea |
Central Otago District
NERFINISHED
ⓘ
Clutha District NERFINISHED ⓘ |
| hasNearbyProtectedArea | Lake Roxburgh Recreation Reserve NERFINISHED ⓘ |
| hasNearbyRoad | State Highway 8 (New Zealand) NERFINISHED ⓘ |
| hasNearbySettlement |
Ettrick, New Zealand
NERFINISHED
ⓘ
Millers Flat NERFINISHED ⓘ |
| hasNearbyStructure | Roxburgh Dam NERFINISHED ⓘ |
| hasNearbyTrail |
Clutha Gold Trail
NERFINISHED
ⓘ
Lake Roxburgh Walkway NERFINISHED ⓘ |
| hasRecreationalFacility |
boat ramps
ⓘ
camping areas ⓘ picnic areas ⓘ |
| hasRecreationalUse | angling ⓘ |
| hasShoreFeature | steep-sided valleys ⓘ |
| inflow | Clutha River / Mata-Au NERFINISHED ⓘ |
| locatedIn | Inland Otago NERFINISHED ⓘ |
| locatedInHydrologicalRegion | Clutha catchment ⓘ |
| locatedInRegion |
Central Otago
NERFINISHED
ⓘ
Otago NERFINISHED ⓘ |
| locatedNear |
Alexandra, New Zealand
NERFINISHED
ⓘ
Roxburgh NERFINISHED ⓘ |
| locatedOnIsland | South Island NERFINISHED ⓘ |
| locatedOnRiver | Clutha River / Mata-Au NERFINISHED ⓘ |
| outflow | Clutha River / Mata-Au NERFINISHED ⓘ |
| partOfRiverSystem | Clutha River system NERFINISHED ⓘ |
| use |
hydroelectric power generation
ⓘ
irrigation ⓘ recreation ⓘ |
| waterBodyType | reservoir ⓘ |
| watercourse | Clutha River / Mata-Au NERFINISHED ⓘ |
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 Roxburgh Description of subject: Lake Roxburgh is a man-made reservoir in Central Otago, New Zealand, formed by the Roxburgh Dam on the Clutha River / Mata-Au and used for hydroelectric power generation and recreation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.