Triple

T5634699
Position Surface form Disambiguated ID Type / Status
Subject Älvkarleby Municipality E147918 entity
Predicate hasHydroelectricPlant P15311 FINISHED
Object Älvkarleby hydropower station
Älvkarleby hydropower station is a major Swedish hydroelectric facility on the Dalälven River, known for its early 20th-century construction and role in regional power generation.
E538543 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: Älvkarleby hydropower station | Statement: [Älvkarleby Municipality, hasHydroelectricPlant, Älvkarleby hydropower station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Älvkarleby hydropower station
Context triple: [Älvkarleby Municipality, hasHydroelectricPlant, Älvkarleby hydropower station]
  • A. Trollhättan hydropower area
    Trollhättan hydropower area is a major Swedish hydroelectric power complex built around the Trollhättan Falls on the Göta älv river, known for its dams, power stations, and role in regional energy production.
  • B. Lysebotn Hydropower Station
    Lysebotn Hydropower Station is a major Norwegian hydroelectric power plant located at the end of the Lysefjord, known for its large underground facilities and significant electricity production.
  • C. Hellefoss power station
    Hellefoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable energy from the river’s flow.
  • D. 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.
  • E. Sarpsfossen power station
    Sarpsfossen power station is a hydroelectric power plant in Norway that harnesses the energy of the Glomma River at the Sarpsfossen waterfall to generate electricity.
  • 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: Älvkarleby hydropower station
Triple: [Älvkarleby Municipality, hasHydroelectricPlant, Älvkarleby hydropower station]
Generated description
Älvkarleby hydropower station is a major Swedish hydroelectric facility on the Dalälven River, known for its early 20th-century construction and role in regional power generation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Älvkarleby hydropower station
Target entity description: Älvkarleby hydropower station is a major Swedish hydroelectric facility on the Dalälven River, known for its early 20th-century construction and role in regional power generation.
  • A. Trollhättan hydropower area
    Trollhättan hydropower area is a major Swedish hydroelectric power complex built around the Trollhättan Falls on the Göta älv river, known for its dams, power stations, and role in regional energy production.
  • B. Lysebotn Hydropower Station
    Lysebotn Hydropower Station is a major Norwegian hydroelectric power plant located at the end of the Lysefjord, known for its large underground facilities and significant electricity production.
  • C. Hellefoss power station
    Hellefoss power station is a hydroelectric power plant located on the Drammenselva river in Norway, generating renewable energy from the river’s flow.
  • D. 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.
  • E. Sarpsfossen power station
    Sarpsfossen power station is a hydroelectric power plant in Norway that harnesses the energy of the Glomma River at the Sarpsfossen waterfall to generate electricity.
  • 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_69c00907bc8881909ed760d3ed73ef35 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c0226118548190877793dadf6cacba completed March 22, 2026, 5:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69c04d6d2dfc8190a2eabb8beda04ee5 completed March 22, 2026, 8:13 p.m.
NEDg Description generation batch_69c04e8a92a0819091bad1fbef4a509b completed March 22, 2026, 8:18 p.m.
NED2 Entity disambiguation (via description) batch_69c056acf1f48190bf7324ae178adbb7 completed March 22, 2026, 8:53 p.m.
Created at: March 22, 2026, 3:41 p.m.