Triple

T6939583
Position Surface form Disambiguated ID Type / Status
Subject Oulujoki E160638 entity
Predicate hasHydropowerPlant P15311 FINISHED
Object Merikoski power plant
Merikoski power plant is a hydroelectric power station located on the Oulujoki River in Oulu, Finland, generating electricity from the river’s flow.
 E628665 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: Merikoski power plant | Statement: [Oulujoki, hasHydropowerPlant, Merikoski power plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Merikoski power plant
Context triple: [Oulujoki, hasHydropowerPlant, Merikoski power plant]
  • A. Imatra hydropower plant
    The Imatra hydropower plant is one of Finland’s largest and oldest hydroelectric stations, harnessing the rapids at Imatra to generate electricity and serving as a notable industrial and tourist landmark.
  • B. Tumut 3 Power Station
    Tumut 3 Power Station is a major hydroelectric and pumped-storage power station in New South Wales, Australia, forming part of the large-scale Snowy Mountains hydroelectric scheme.
  • C. Kurpsai Hydroelectric Power Plant
    Kurpsai Hydroelectric Power Plant is a major hydroelectric facility in Kyrgyzstan that generates electricity by harnessing the flow of the Naryn River.
  • D. Tumut 1 Power Station
    Tumut 1 Power Station is a major hydroelectric power station in New South Wales, Australia, forming part of the large Snowy Mountains hydroelectric and irrigation complex.
  • E. Tumut 2 Power Station
    Tumut 2 Power Station is a major hydroelectric power station in New South Wales, Australia, forming part of the large-scale Snowy Mountains hydroelectric and irrigation complex.
  • 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: Merikoski power plant
Triple: [Oulujoki, hasHydropowerPlant, Merikoski power plant]
Generated description
Merikoski power plant is a hydroelectric power station located on the Oulujoki River in Oulu, Finland, generating electricity from the river’s flow.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Merikoski power plant
Target entity description: Merikoski power plant is a hydroelectric power station located on the Oulujoki River in Oulu, Finland, generating electricity from the river’s flow.
  • A. Imatra hydropower plant
    The Imatra hydropower plant is one of Finland’s largest and oldest hydroelectric stations, harnessing the rapids at Imatra to generate electricity and serving as a notable industrial and tourist landmark.
  • B. Tumut 3 Power Station
    Tumut 3 Power Station is a major hydroelectric and pumped-storage power station in New South Wales, Australia, forming part of the large-scale Snowy Mountains hydroelectric scheme.
  • C. Kurpsai Hydroelectric Power Plant
    Kurpsai Hydroelectric Power Plant is a major hydroelectric facility in Kyrgyzstan that generates electricity by harnessing the flow of the Naryn River.
  • D. Tumut 1 Power Station
    Tumut 1 Power Station is a major hydroelectric power station in New South Wales, Australia, forming part of the large Snowy Mountains hydroelectric and irrigation complex.
  • E. Tumut 2 Power Station
    Tumut 2 Power Station is a major hydroelectric power station in New South Wales, Australia, forming part of the large-scale Snowy Mountains hydroelectric and irrigation complex.
  • 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_69c6884f3db4819080ad65da69386206 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6da641ce08190a133c9ba4977755d completed March 27, 2026, 7:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7515880948190970cadd7adeda435 completed March 28, 2026, 3:56 a.m.
NEDg Description generation batch_69c7524e3ef48190a78601ca290f133d completed March 28, 2026, 4 a.m.
NED2 Entity disambiguation (via description) batch_69c752dca6e08190a087898d99c015ac completed March 28, 2026, 4:02 a.m.
Created at: March 27, 2026, 2:28 p.m.