Triple

T6591628
Position Surface form Disambiguated ID Type / Status
Subject Río Maipo E159372 entity
Predicate hasHydropowerPlant P15311 FINISHED
Object Maitenes hydroelectric plant
The Maitenes hydroelectric plant is a power-generating facility located on Chile’s Maipo River, contributing renewable electricity to the country’s central grid.
 E128473 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: Maitenes hydroelectric plant | Statement: [Río Maipo, hasHydropowerPlant, Maitenes hydroelectric plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Maitenes hydroelectric plant
Context triple: [Río Maipo, hasHydropowerPlant, Maitenes hydroelectric plant]
  • A. Flix hydroelectric plant
    The Flix hydroelectric plant is a hydroelectric power station located in the municipality of Flix in Catalonia, Spain, generating electricity from the flow of the Ebro River.
  • B. Machicura hydropower plant
    The Machicura hydropower plant is a hydroelectric facility in Chile that forms part of the larger Maule hydropower complex, contributing renewable energy generation to the regional power grid.
  • C. Ancoa hydropower plant
    The Ancoa hydropower plant is a hydroelectric facility that forms part of Chile’s Maule hydropower complex, contributing renewable electricity generation to the regional grid.
  • 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. Canutillar hydropower plant
    The Canutillar hydropower plant is a hydroelectric facility in Chile that forms part of the larger Maule hydropower complex, contributing renewable energy to the national grid.
  • 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: Maitenes hydroelectric plant
Triple: [Río Maipo, hasHydropowerPlant, Maitenes hydroelectric plant]
Generated description
The Maitenes hydroelectric plant is a power-generating facility located on Chile’s Maipo River, contributing renewable electricity to the country’s central grid.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Maitenes hydroelectric plant
Target entity description: The Maitenes hydroelectric plant is a power-generating facility located on Chile’s Maipo River, contributing renewable electricity to the country’s central grid.
  • A. Flix hydroelectric plant
    The Flix hydroelectric plant is a hydroelectric power station located in the municipality of Flix in Catalonia, Spain, generating electricity from the flow of the Ebro River.
  • B. Machicura hydropower plant
    The Machicura hydropower plant is a hydroelectric facility in Chile that forms part of the larger Maule hydropower complex, contributing renewable energy generation to the regional power grid.
  • C. Ancoa hydropower plant
    The Ancoa hydropower plant is a hydroelectric facility that forms part of Chile’s Maule hydropower complex, contributing renewable electricity generation to the regional grid.
  • D. Alfalfal hydroelectric plant chosen
    The Alfalfal hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
  • E. Canutillar hydropower plant
    The Canutillar hydropower plant is a hydroelectric facility in Chile that forms part of the larger Maule hydropower complex, contributing renewable energy to the national grid.
  • F. None of above.

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_69c688366ce8819083f8883983c0df92 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6aece1f848190a11676e072afb002 completed March 27, 2026, 4:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6d57bde388190919ff6820e1b9610 completed March 27, 2026, 7:07 p.m.
NEDg Description generation batch_69c6d6adc8c88190aa4ed066a2c99657 completed March 27, 2026, 7:12 p.m.
NED2 Entity disambiguation (via description) batch_69c6d8486534819080b75cad9cc32276 completed March 27, 2026, 7:19 p.m.
Created at: March 27, 2026, 1:55 p.m.