Triple

T22956646
Position Surface form Disambiguated ID Type / Status
Subject Waitaki hydroelectric scheme E570776 entity
Predicate component P35 FINISHED
Object 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.
E1563591 NE FINISHED

How this triple was built (4 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 B Power Station | Statement: [Waitaki hydroelectric scheme, component, Ohau B Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ohau B Power Station
Context triple: [Waitaki hydroelectric scheme, component, Ohau B Power Station]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Tekapo B Power Station
    Tekapo B Power Station is a hydroelectric power station in New Zealand that generates electricity using water from Lake Tekapo as part of the Waitaki hydro scheme.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Ohau B Power Station
Triple: [Waitaki hydroelectric scheme, component, Ohau B Power Station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ohau B Power Station
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Tekapo B Power Station
    Tekapo B Power Station is a hydroelectric power station in New Zealand that generates electricity using water from Lake Tekapo as part of the Waitaki hydro scheme.
  • F. None of above. chosen

Provenance (5 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.
NED1 Entity disambiguation (via context triple) batch_6a0bca1bbba0819097115ef1d032d3f6 completed May 19, 2026, 2:25 a.m.
NEDg Description generation batch_6a0bcaebed688190b2ea74c588922d98 completed May 19, 2026, 2:29 a.m.
NED2 Entity disambiguation (via description) batch_6a0bcbec354081909dbeeb389e86d38c completed May 19, 2026, 2:33 a.m.
Created at: April 17, 2026, 3:47 p.m.