Triple

T16474609
Position Surface form Disambiguated ID Type / Status
Subject Marchwood E400155 entity
Predicate hasPowerStation P17850 FINISHED
Object Marchwood Power Station
Marchwood Power Station is a modern gas-fired power plant in Hampshire, England, that generates electricity for the UK national grid.
E1215835 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: Marchwood Power Station | Statement: [Marchwood, hasPowerStation, Marchwood Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Marchwood Power Station
Context triple: [Marchwood, hasPowerStation, Marchwood Power Station]
  • A. Wivenhoe Power Station
    Wivenhoe Power Station is a pumped-storage hydroelectric power facility in Queensland, Australia, used to generate electricity and provide grid stability by storing and releasing water from Wivenhoe Dam.
  • B. Northern Power Station
    Northern Power Station was a major coal-fired power plant in South Australia that supplied electricity to the state’s grid until its closure and subsequent demolition.
  • C. Kendal Power Station
    Kendal Power Station is one of South Africa’s largest coal-fired power plants, supplying significant electricity to the national grid.
  • D. Liddell Power Station
    Liddell Power Station is a large coal-fired power plant in New South Wales, Australia, long serving as a major source of electricity generation before its planned closure as part of the country’s energy transition.
  • E. Agecroft power station
    Agecroft power station was a coal-fired power station in Pendlebury, Greater Manchester, that operated for much of the 20th century and played a significant role in the region’s industrial energy supply.
  • 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: Marchwood Power Station
Triple: [Marchwood, hasPowerStation, Marchwood Power Station]
Generated description
Marchwood Power Station is a modern gas-fired power plant in Hampshire, England, that generates electricity for the UK national grid.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Marchwood Power Station
Target entity description: Marchwood Power Station is a modern gas-fired power plant in Hampshire, England, that generates electricity for the UK national grid.
  • A. Wivenhoe Power Station
    Wivenhoe Power Station is a pumped-storage hydroelectric power facility in Queensland, Australia, used to generate electricity and provide grid stability by storing and releasing water from Wivenhoe Dam.
  • B. Northern Power Station
    Northern Power Station was a major coal-fired power plant in South Australia that supplied electricity to the state’s grid until its closure and subsequent demolition.
  • C. Kendal Power Station
    Kendal Power Station is one of South Africa’s largest coal-fired power plants, supplying significant electricity to the national grid.
  • D. Liddell Power Station
    Liddell Power Station is a large coal-fired power plant in New South Wales, Australia, long serving as a major source of electricity generation before its planned closure as part of the country’s energy transition.
  • E. Agecroft power station
    Agecroft power station was a coal-fired power station in Pendlebury, Greater Manchester, that operated for much of the 20th century and played a significant role in the region’s industrial energy supply.
  • 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_69d883813098819084f5409539723b59 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e32dd32e048190a9eadd32d6b9374c completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a004f5f238881909b5f2fb41da3f932 completed May 10, 2026, 9:26 a.m.
NEDg Description generation batch_6a00509164cc8190a381ba0a1de95ed1 completed May 10, 2026, 9:32 a.m.
NED2 Entity disambiguation (via description) batch_6a005447f1948190a939c0051891e444 completed May 10, 2026, 9:47 a.m.
Created at: April 10, 2026, 5:13 a.m.