Triple

T22956647
Position Surface form Disambiguated ID Type / Status
Subject Waitaki hydroelectric scheme E570776 entity
Predicate component P35 FINISHED
Object Ohau C Power Station — NE NERFINISHED

How this triple was built (3 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Ohau C Power Station | Statement: [Waitaki hydroelectric scheme, component, Ohau C Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ohau C Power Station
Context triple: [Waitaki hydroelectric scheme, component, Ohau C Power Station]
  • A. Ohau B Power Station
    Ohau B Power Station is a hydroelectric power plant in New Zealand that forms part of the Waitaki River system, generating electricity from water flowing between Lakes Ohau and Ruataniwha.
  • B. Ohaaki Power Station
    Ohaaki Power Station is a geothermal power plant in New Zealand that generates electricity by harnessing heat from the Taupō Volcanic Zone.
  • C. Ohakuri Power Station
    Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
  • D. Tokaanu Power Station
    Tokaanu Power Station is a major hydroelectric power station on New Zealand’s North Island, forming part of the Tongariro Power Scheme that diverts water from several rivers for electricity generation.
  • E. Polpitiya Power Station
    Polpitiya Power Station is a hydroelectric power plant in Sri Lanka that harnesses the flow of the Kelani River to generate electricity for the national grid.
  • 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: Ohau C Power Station
Target entity description: Ohau C Power Station is a hydroelectric power station in New Zealand that forms part of the Waitaki River system of dams and stations generating renewable electricity.
  • A. Ohau B Power Station
    Ohau B Power Station is a hydroelectric power plant in New Zealand that forms part of the Waitaki River system, generating electricity from water flowing between Lakes Ohau and Ruataniwha.
  • B. Ohaaki Power Station
    Ohaaki Power Station is a geothermal power plant in New Zealand that generates electricity by harnessing heat from the Taupō Volcanic Zone.
  • C. Ohakuri Power Station
    Ohakuri Power Station is a major hydroelectric power station on New Zealand’s North Island that harnesses the Waikato River to generate electricity.
  • D. Tokaanu Power Station
    Tokaanu Power Station is a major hydroelectric power station on New Zealand’s North Island, forming part of the Tongariro Power Scheme that diverts water from several rivers for electricity generation.
  • E. Polpitiya Power Station
    Polpitiya Power Station is a hydroelectric power plant in Sri Lanka that harnesses the flow of the Kelani River to generate electricity for the national grid.
  • F. None of above. chosen

Provenance (2 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e245b212a88190b5259caf51606084 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f181f15ebc8190bf477539f7c23985 completed April 29, 2026, 3:58 a.m.
Created at: April 17, 2026, 3:47 p.m.