Triple

T4859249
Position Surface form Disambiguated ID Type / Status
Subject Ptolemaida E108613 entity
Predicate hasPowerPlant P9904 FINISHED
Object 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.
 E474778 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: Ptolemaida Power Station | Statement: [Ptolemaida, hasPowerPlant, Ptolemaida Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ptolemaida Power Station
Context triple: [Ptolemaida, hasPowerPlant, Ptolemaida Power Station]
  • A. Agios Dimitrios Power Station
    Agios Dimitrios Power Station is a major lignite-fired power plant in northern Greece and one of the country’s largest 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. 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.
  • D. Vamma power station
    Vamma power station is a major hydroelectric power plant in Norway, harnessing the flow of the Glomma River to generate renewable energy.
  • E. 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.
  • 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: Ptolemaida Power Station
Triple: [Ptolemaida, hasPowerPlant, Ptolemaida Power Station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ptolemaida Power Station
Target entity description: 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.
  • A. Agios Dimitrios Power Station
    Agios Dimitrios Power Station is a major lignite-fired power plant in northern Greece and one of the country’s largest 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. 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.
  • D. Vamma power station
    Vamma power station is a major hydroelectric power plant in Norway, harnessing the flow of the Glomma River to generate renewable energy.
  • E. 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.
  • 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_69bd440b965081908b0557721cae6338 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd6d5c92148190a314707bdd3ff30f completed March 20, 2026, 3:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69be5cf05d7c8190ac6e1b9e93b5256f completed March 21, 2026, 8:55 a.m.
NEDg Description generation batch_69be5f98d4d481908eedf03569d38642 completed March 21, 2026, 9:06 a.m.
NED2 Entity disambiguation (via description) batch_69be6044d31081908384ed9da8c6b707 completed March 21, 2026, 9:09 a.m.
Created at: March 20, 2026, 1:26 p.m.