Triple

T4125593
Position Surface form Disambiguated ID Type / Status
Subject Waikato River E92715 entity
Predicate hasHydroelectricDam P15311 FINISHED
Object Maraetai Power Station
Maraetai Power Station is a major hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s largest river-based generation system.
 E421530 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: Maraetai Power Station | Statement: [Waikato River, hasHydroelectricDam, Maraetai Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Maraetai Power Station
Context triple: [Waikato River, hasHydroelectricDam, Maraetai Power Station]
  • A. Arapuni Power Station
    Arapuni Power Station is a major hydroelectric power facility in New Zealand, located on the Waikato River and known for its large concrete arch dam and contribution to the national grid.
  • B. Karapiro Power Station
    Karapiro Power Station is a hydroelectric power station in New Zealand that harnesses the flow of the Waikato River to generate electricity.
  • C. Waipapa Power Station
    Waipapa Power Station is a hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s major North Island electricity generation network.
  • D. Manapouri Power Station
    Manapouri Power Station is a large underground hydroelectric power station in Fiordland, New Zealand, renowned for harnessing the waters of Lake Manapouri to generate electricity, primarily for the Tiwai Point aluminium smelter.
  • E. Blowering Power Station
    Blowering Power Station is a hydroelectric power facility in New South Wales, Australia, that forms part of the Snowy Mountains region’s renewable energy infrastructure.
  • 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: Maraetai Power Station
Triple: [Waikato River, hasHydroelectricDam, Maraetai Power Station]
Generated description
Maraetai Power Station is a major hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s largest river-based generation system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Maraetai Power Station
Target entity description: Maraetai Power Station is a major hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s largest river-based generation system.
  • A. Arapuni Power Station
    Arapuni Power Station is a major hydroelectric power facility in New Zealand, located on the Waikato River and known for its large concrete arch dam and contribution to the national grid.
  • B. Karapiro Power Station
    Karapiro Power Station is a hydroelectric power station in New Zealand that harnesses the flow of the Waikato River to generate electricity.
  • C. Waipapa Power Station
    Waipapa Power Station is a hydroelectric power station on New Zealand’s Waikato River that forms part of the country’s major North Island electricity generation network.
  • D. Manapouri Power Station
    Manapouri Power Station is a large underground hydroelectric power station in Fiordland, New Zealand, renowned for harnessing the waters of Lake Manapouri to generate electricity, primarily for the Tiwai Point aluminium smelter.
  • E. Blowering Power Station
    Blowering Power Station is a hydroelectric power facility in New South Wales, Australia, that forms part of the Snowy Mountains region’s renewable energy infrastructure.
  • 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_69aed9685f70819086932777aec8d959 completed March 9, 2026, 2:30 p.m.
NER Named-entity recognition batch_69af020a015081909015e6837c4b4a73 completed March 9, 2026, 5:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69b59608650c81908ebc47bbbbfaf6be completed March 14, 2026, 5:08 p.m.
NEDg Description generation batch_69b597be1a9081908575f8d9c780fb38 completed March 14, 2026, 5:15 p.m.
NED2 Entity disambiguation (via description) batch_69b5983eaf248190979dc916bd0959e1 completed March 14, 2026, 5:17 p.m.
Created at: March 9, 2026, 3:41 p.m.