Triple

T12572891
Position Surface form Disambiguated ID Type / Status
Subject Manapouri Power Station E295647 entity
Predicate ownedBy P347 FINISHED
Object Meridian Energy
Meridian Energy is a major New Zealand electricity generator and retailer, known for its extensive portfolio of renewable energy assets including large hydroelectric power stations.
 E989301 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: Meridian Energy | Statement: [Manapouri Power Station, ownedBy, Meridian Energy]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Meridian Energy
Context triple: [Manapouri Power Station, ownedBy, Meridian Energy]
  • A. Great Western Power Company
    Great Western Power Company was an early 20th-century California electric utility company known for developing hydroelectric projects and infrastructure in the Sierra Nevada region.
  • B. AGL Energy
    AGL Energy is a major Australian energy company that generates and retails electricity and gas to residential, commercial, and industrial customers.
  • C. Northern Powergrid
    Northern Powergrid is a UK-based electricity distribution network operator responsible for delivering power to homes and businesses across the North East, Yorkshire, and northern Lincolnshire.
  • D. National Power Corporation
    The National Power Corporation is a Philippine government-owned corporation responsible for power generation and electrification, particularly in missionary and off-grid areas.
  • E. TransAlta Renewables
    TransAlta Renewables is a Canadian power generation company that owns and operates a portfolio of renewable energy assets, including wind, hydro, and gas facilities.
  • 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: Meridian Energy
Triple: [Manapouri Power Station, ownedBy, Meridian Energy]
Generated description
Meridian Energy is a major New Zealand electricity generator and retailer, known for its extensive portfolio of renewable energy assets including large hydroelectric power stations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Meridian Energy
Target entity description: Meridian Energy is a major New Zealand electricity generator and retailer, known for its extensive portfolio of renewable energy assets including large hydroelectric power stations.
  • A. Great Western Power Company
    Great Western Power Company was an early 20th-century California electric utility company known for developing hydroelectric projects and infrastructure in the Sierra Nevada region.
  • B. AGL Energy
    AGL Energy is a major Australian energy company that generates and retails electricity and gas to residential, commercial, and industrial customers.
  • C. Northern Powergrid
    Northern Powergrid is a UK-based electricity distribution network operator responsible for delivering power to homes and businesses across the North East, Yorkshire, and northern Lincolnshire.
  • D. National Power Corporation
    The National Power Corporation is a Philippine government-owned corporation responsible for power generation and electrification, particularly in missionary and off-grid areas.
  • E. TransAlta Renewables
    TransAlta Renewables is a Canadian power generation company that owns and operates a portfolio of renewable energy assets, including wind, hydro, and gas facilities.
  • 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_69d6ad9cac2c81908e8a7bed82d1e21d completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d954a52c788190beac128a97e34dc1 completed April 10, 2026, 7:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f65595826081908035655f7930f55a completed May 2, 2026, 7:50 p.m.
NEDg Description generation batch_69f656a86ff48190bd3debd30e11df80 completed May 2, 2026, 7:55 p.m.
NED2 Entity disambiguation (via description) batch_69f657aa1bf48190a884e0dfce31e30e completed May 2, 2026, 7:59 p.m.
Created at: April 8, 2026, 11:50 p.m.