Triple

T2990062
Position Surface form Disambiguated ID Type / Status
Subject Vuoksi River E80726 entity
Predicate hasHydropowerPlant P15311 FINISHED
Object 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.
E316282 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: Imatra hydropower plant | Statement: [Vuoksi River, hasHydropowerPlant, Imatra hydropower plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Imatra hydropower plant
Context triple: [Vuoksi River, hasHydropowerPlant, Imatra hydropower plant]
  • A. Plavinas Hydroelectric Power Plant
    Plavinas Hydroelectric Power Plant is one of the largest hydroelectric power stations in the Baltic region, located in Latvia and serving as a major source of renewable electricity.
  • B. Kegums Hydroelectric Power Plant
    Kegums Hydroelectric Power Plant is a major Latvian hydroelectric facility on the Daugava River that generates electricity and helps regulate water flow for the region.
  • C. Riga Hydroelectric Power Plant
    Riga Hydroelectric Power Plant is a major hydroelectric facility in Latvia that generates electricity for the region using the flow of the Daugava River.
  • D. Alfalfal hydroelectric plant
    The Alfalfal hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
  • E. Ivankovo Hydroelectric Station
    Ivankovo Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, forming part of the Upper Volga cascade and supplying electricity as well as regulating water levels for navigation and water management.
  • 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: Imatra hydropower plant
Triple: [Vuoksi River, hasHydropowerPlant, Imatra hydropower plant]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Imatra hydropower plant
Target entity description: 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.
  • A. Plavinas Hydroelectric Power Plant
    Plavinas Hydroelectric Power Plant is one of the largest hydroelectric power stations in the Baltic region, located in Latvia and serving as a major source of renewable electricity.
  • B. Kegums Hydroelectric Power Plant
    Kegums Hydroelectric Power Plant is a major Latvian hydroelectric facility on the Daugava River that generates electricity and helps regulate water flow for the region.
  • C. Riga Hydroelectric Power Plant
    Riga Hydroelectric Power Plant is a major hydroelectric facility in Latvia that generates electricity for the region using the flow of the Daugava River.
  • D. Alfalfal hydroelectric plant
    The Alfalfal hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
  • E. Ivankovo Hydroelectric Station
    Ivankovo Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, forming part of the Upper Volga cascade and supplying electricity as well as regulating water levels for navigation and water management.
  • 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_69ad8b16c3488190b47b6aa7a59a335b completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad99de55208190bc56ecbe08638e5a completed March 8, 2026, 3:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69b10900bf2481908b7742604c6d75e9 completed March 11, 2026, 6:17 a.m.
NEDg Description generation batch_69b10bda5d848190af553c5f245b165d completed March 11, 2026, 6:29 a.m.
NED2 Entity disambiguation (via description) batch_69b10c9198288190a3e3ea7112ea4460 completed March 11, 2026, 6:32 a.m.
Created at: March 8, 2026, 2:59 p.m.