Triple

T19766817

Position	Surface form	Disambiguated ID	Type / Status
Subject	Ptolemaida Basin	`E474779`	entity
Predicate	hasPowerPlant	`P9904`	FINISHED
Object	Kardia Power Station	`—`	NE NERFINISHED

How this triple was built (3 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: Kardia Power Station | Statement: [Ptolemaida Basin, hasPowerPlant, Kardia Power Station]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Kardia Power Station
Context triple: [Ptolemaida Basin, hasPowerPlant, Kardia Power Station]

A. Aratiatia Power Station
Aratiatia Power Station is a hydroelectric power station on New Zealand’s Waikato River, known for its dam-controlled Aratiatia Rapids, which are periodically released as a tourist attraction.
B. Ohaaki Power Station
Ohaaki Power Station is a geothermal power plant in New Zealand that generates electricity by harnessing heat from the Taupō Volcanic Zone.
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. Healy Power Plant
Healy Power Plant is a coal-fired power generation facility located near the community of Healy in interior Alaska.
E. 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.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Kardia Power Station
Target entity description: Kardia Power Station is a major lignite-fired thermal power plant in Greece, located in the Ptolemaida Basin and operated as part of the country’s central electricity generation network.

A. Aratiatia Power Station
Aratiatia Power Station is a hydroelectric power station on New Zealand’s Waikato River, known for its dam-controlled Aratiatia Rapids, which are periodically released as a tourist attraction.
B. Ohaaki Power Station
Ohaaki Power Station is a geothermal power plant in New Zealand that generates electricity by harnessing heat from the Taupō Volcanic Zone.
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. Healy Power Plant
Healy Power Plant is a coal-fired power generation facility located near the community of Healy in interior Alaska.
E. 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.
F. None of above. chosen

Provenance (2 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_69d8e51a43a08190956bc6df13c91a77`	completed	April 10, 2026, 11:55 a.m.
NER	Named-entity recognition	`batch_69e653232e508190a7d484c0a1e2939a`	completed	April 20, 2026, 4:24 p.m.

Created at: April 10, 2026, 1:48 p.m.