Triple

T18054632
Position Surface form Disambiguated ID Type / Status
Subject Ptolemaida lignite basin E432004 entity
Predicate hasPowerPlant P9904 FINISHED
Object Amyntaio power station
Amyntaio power station is a lignite-fired thermal power plant in northern Greece that forms part of the country’s major coal-based electricity generation infrastructure.
 E1304598 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: Amyntaio power station | Statement: [Ptolemaida lignite basin, hasPowerPlant, Amyntaio power station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Amyntaio power station
Context triple: [Ptolemaida lignite basin, hasPowerPlant, Amyntaio power station]
  • A. Ptolemaida Power Station
    Ptolemaida Power Station is a major lignite-fired thermal power plant in northern Greece that has long been one of the country’s key electricity-generating facilities.
  • B. Guthega Power Station
    Guthega Power Station is a hydroelectric power plant in New South Wales, Australia, forming part of the large-scale Snowy Mountains Hydroelectric Scheme.
  • C. Callide Power Station
    Callide Power Station is a coal-fired power station in Central Queensland, Australia, that supplies electricity to the regional and national grid.
  • D. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • E. Duvha Power Station
    Duvha Power Station is a large coal-fired power plant in South Africa that forms part of Eskom’s fleet supplying electricity to the national grid.
  • 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: Amyntaio power station
Triple: [Ptolemaida lignite basin, hasPowerPlant, Amyntaio power station]
Generated description
Amyntaio power station is a lignite-fired thermal power plant in northern Greece that forms part of the country’s major coal-based electricity generation infrastructure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Amyntaio power station
Target entity description: Amyntaio power station is a lignite-fired thermal power plant in northern Greece that forms part of the country’s major coal-based electricity generation infrastructure.
  • A. Ptolemaida Power Station
    Ptolemaida Power Station is a major lignite-fired thermal power plant in northern Greece that has long been one of the country’s key electricity-generating facilities.
  • B. Guthega Power Station
    Guthega Power Station is a hydroelectric power plant in New South Wales, Australia, forming part of the large-scale Snowy Mountains Hydroelectric Scheme.
  • C. Callide Power Station
    Callide Power Station is a coal-fired power station in Central Queensland, Australia, that supplies electricity to the regional and national grid.
  • D. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • E. Duvha Power Station
    Duvha Power Station is a large coal-fired power plant in South Africa that forms part of Eskom’s fleet supplying electricity to the national grid.
  • 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_69d8b906482481908183315b9ecf9994 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4c101dfb081908dc66f4b4967d8c7 completed April 19, 2026, 11:48 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0356650238819089b051fd707e2460 completed May 12, 2026, 4:33 p.m.
NEDg Description generation batch_6a0359ee315c81908ee42e54cd5a11dc completed May 12, 2026, 4:48 p.m.
NED2 Entity disambiguation (via description) batch_6a035a681bc881908714f052a2d66f6a completed May 12, 2026, 4:50 p.m.
Created at: April 10, 2026, 10:26 a.m.