Triple

T23267493
Position Surface form Disambiguated ID Type / Status
Subject Pilmaiquén River E588191 entity
Predicate hasHydroelectricPlant P15311 FINISHED
Object Pilmaiquén Hydroelectric Plant
The Pilmaiquén Hydroelectric Plant is a power-generating facility in southern Chile that harnesses the flow of the Pilmaiquén River to produce electricity for the regional grid.
 E1578361 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: Pilmaiquén Hydroelectric Plant | Statement: [Pilmaiquén River, hasHydroelectricPlant, Pilmaiquén Hydroelectric Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pilmaiquén Hydroelectric Plant
Context triple: [Pilmaiquén River, hasHydroelectricPlant, Pilmaiquén Hydroelectric Plant]
  • A. Queltehues hydroelectric plant
    The Queltehues hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
  • B. Comahue hydroelectric complex
    The Comahue hydroelectric complex is a major system of dams and power plants in Argentina’s Comahue region that harnesses the flow of rivers such as the Limay to generate electricity.
  • C. Alicurá Hydroelectric Power Station
    Alicurá Hydroelectric Power Station is a major hydroelectric facility in Argentina that generates electricity using water impounded by the Alicurá Dam on the Limay River.
  • D. La Higuera hydroelectric power plant
    La Higuera hydroelectric power plant is a Chilean hydropower station that forms part of the Tinguiririca hydroelectric complex, generating renewable electricity from the Tinguiririca River.
  • E. Maria Cristina Hydroelectric Plant
    The Maria Cristina Hydroelectric Plant is a major hydroelectric power facility in the Philippines, known for harnessing the Maria Cristina Falls to supply electricity to Mindanao.
  • 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: Pilmaiquén Hydroelectric Plant
Triple: [Pilmaiquén River, hasHydroelectricPlant, Pilmaiquén Hydroelectric Plant]
Generated description
The Pilmaiquén Hydroelectric Plant is a power-generating facility in southern Chile that harnesses the flow of the Pilmaiquén River to produce electricity for the regional grid.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pilmaiquén Hydroelectric Plant
Target entity description: The Pilmaiquén Hydroelectric Plant is a power-generating facility in southern Chile that harnesses the flow of the Pilmaiquén River to produce electricity for the regional grid.
  • A. Queltehues hydroelectric plant
    The Queltehues hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
  • B. Comahue hydroelectric complex
    The Comahue hydroelectric complex is a major system of dams and power plants in Argentina’s Comahue region that harnesses the flow of rivers such as the Limay to generate electricity.
  • C. Alicurá Hydroelectric Power Station
    Alicurá Hydroelectric Power Station is a major hydroelectric facility in Argentina that generates electricity using water impounded by the Alicurá Dam on the Limay River.
  • D. La Higuera hydroelectric power plant
    La Higuera hydroelectric power plant is a Chilean hydropower station that forms part of the Tinguiririca hydroelectric complex, generating renewable electricity from the Tinguiririca River.
  • E. Maria Cristina Hydroelectric Plant
    The Maria Cristina Hydroelectric Plant is a major hydroelectric power facility in the Philippines, known for harnessing the Maria Cristina Falls to supply electricity to Mindanao.
  • 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_69e25d148adc819088efbf42672604e9 completed April 17, 2026, 4:17 p.m.
NER Named-entity recognition batch_69f19570fcc0819091df22140828155b completed April 29, 2026, 5:21 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c3f7451b08190ac86309ede7d8cd6 completed May 19, 2026, 10:46 a.m.
NEDg Description generation batch_6a0c405ca9e081908adeedd69acb8ed2 completed May 19, 2026, 10:50 a.m.
NED2 Entity disambiguation (via description) batch_6a0c443c4540819096f1a41d9c24a706 completed May 19, 2026, 11:06 a.m.
Created at: April 17, 2026, 4:38 p.m.