Arapuni Dam
E420511
Arapuni Dam is a major hydroelectric power station and concrete arch dam on New Zealand’s North Island, contributing significantly to the country’s renewable electricity generation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Arapuni Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4125591 — 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: Arapuni Dam Context triple: [Waikato River, hasHydroelectricDam, Arapuni Dam]
-
A.
Amawalk Dam
Amawalk Dam is an early 20th-century masonry dam in Westchester County, New York, that impounds the Amawalk Reservoir as part of New York City's water supply system.
-
B.
Tawa Dam
Tawa Dam is a major masonry dam in Madhya Pradesh, India, built on the Tawa River for irrigation, flood control, and hydroelectric power generation.
-
C.
Hinze Dam
Hinze Dam is a major rock and earth-fill dam on the Gold Coast in Queensland, Australia, that creates Advancetown Lake and supplies water, flood mitigation, and recreation for the region.
-
D.
Manyame Dam
Manyame Dam is a major reservoir in Zimbabwe that supplies water for irrigation, urban use, and hydroelectric power generation along the Manyame River.
-
E.
Wlingi Dam
Wlingi Dam is a hydroelectric and irrigation dam located on the Brantas River in East Java, Indonesia.
- 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: Arapuni Dam Target entity description: Arapuni Dam is a major hydroelectric power station and concrete arch dam on New Zealand’s North Island, contributing significantly to the country’s renewable electricity generation.
-
A.
Amawalk Dam
Amawalk Dam is an early 20th-century masonry dam in Westchester County, New York, that impounds the Amawalk Reservoir as part of New York City's water supply system.
-
B.
Tawa Dam
Tawa Dam is a major masonry dam in Madhya Pradesh, India, built on the Tawa River for irrigation, flood control, and hydroelectric power generation.
-
C.
Hinze Dam
Hinze Dam is a major rock and earth-fill dam on the Gold Coast in Queensland, Australia, that creates Advancetown Lake and supplies water, flood mitigation, and recreation for the region.
-
D.
Manyame Dam
Manyame Dam is a major reservoir in Zimbabwe that supplies water for irrigation, urban use, and hydroelectric power generation along the Manyame River.
-
E.
Wlingi Dam
Wlingi Dam is a hydroelectric and irrigation dam located on the Brantas River in East Java, Indonesia.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
concrete arch dam
ⓘ
hydroelectric power station ⓘ |
| constructionStartDate | 1924 ⓘ |
| contributesTo | renewable electricity generation in New Zealand ⓘ |
| country | New Zealand ⓘ |
| damType | concrete arch dam ⓘ |
| energySource | hydropower ⓘ |
| gridConnection |
New Zealand electricity grid
ⓘ
surface form:
New Zealand national grid
|
| hasAssociatedStructure | Arapuni suspension bridge ⓘ |
| hasPowerStation | Arapuni Power Station NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| isMajorStationIn | Waikato hydro system ONNED1 ⓘ |
| locatedIn | North Island ⓘ |
| locatedInDistrict | South Waikato District NERFINISHED ⓘ |
| locatedInIsland | North Island of New Zealand ONNED1 ⓘ |
| locatedNear | Arapuni NERFINISHED ⓘ |
| locatedOnRiver | Waikato River NERFINISHED ⓘ |
| notableFor | early large-scale hydroelectric development in New Zealand ⓘ |
| numberOfTurbines | 8 ⓘ |
| openingDate | 1929 ⓘ |
| operatedBy | Mercury NZ Limited NERFINISHED ⓘ |
| ownedBy | Mercury NZ Limited NERFINISHED ⓘ |
| partOf |
Waikato hydro scheme
ⓘ
surface form:
Waikato River hydroelectric scheme
|
| plantType | run-of-river hydroelectric plant ⓘ |
| primaryFunction | electricity generation ⓘ |
| purpose | power generation ⓘ |
| region | Waikato NERFINISHED ⓘ |
| reservoirName | Lake Arapuni NERFINISHED ⓘ |
| status | operational ⓘ |
| turbineType | Francis turbine ⓘ |
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: Arapuni Dam Description of subject: Arapuni Dam is a major hydroelectric power station and concrete arch dam on New Zealand’s North Island, contributing significantly to the country’s renewable electricity generation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.