Triple

T1126527
Position Surface form Disambiguated ID Type / Status
Subject Maipo River E24731 entity
Predicate hasHydroelectricPlant P15311 FINISHED
Object 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.
E128473 NE FINISHED

How this triple was built (5 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: Alfalfal hydroelectric plant | Statement: [Maipo River, hasHydroelectricPlant, Alfalfal hydroelectric plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Alfalfal hydroelectric plant
Context triple: [Maipo River, hasHydroelectricPlant, Alfalfal hydroelectric plant]
  • A. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • B. Almatti Dam
    Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
  • C. Bargi Dam
    Bargi Dam is a major multipurpose dam built on the Narmada River in Madhya Pradesh, India, primarily used for irrigation, hydropower generation, and flood control.
  • D. Yacyretá Dam
    The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
  • E. Serre-Ponçon Dam
    Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
  • 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: Alfalfal hydroelectric plant
Triple: [Maipo River, hasHydroelectricPlant, Alfalfal hydroelectric plant]
Generated description
The Alfalfal hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Alfalfal hydroelectric plant
Target entity description: The Alfalfal hydroelectric plant is a power-generating facility in Chile that harnesses the flow of the Maipo River to produce electricity.
  • A. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • B. Almatti Dam
    Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
  • C. Bargi Dam
    Bargi Dam is a major multipurpose dam built on the Narmada River in Madhya Pradesh, India, primarily used for irrigation, hydropower generation, and flood control.
  • D. Yacyretá Dam
    The Yacyretá Dam is a large hydroelectric power plant on the border between Argentina and Paraguay that generates electricity by harnessing the flow of the Paraná River.
  • E. Serre-Ponçon Dam
    Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasHydroelectricPlant
Context triple: [Maipo River, hasHydroelectricPlant, Alfalfal hydroelectric plant]
  • A. hasHydroelectricProject chosen
    Indicates that an entity is associated with, operates, or contains a hydroelectric power generation project.
  • B. powerplant
    Indicates that an entity functions as a facility or installation where energy sources are converted into usable power, typically electricity.
  • C. powerplantFor
    Indicates that one entity functions as the power plant or primary energy source serving another entity.
  • D. powerplantType
    Indicates the specific kind or category of power plant associated with an entity, based on how it generates energy.
  • E. hasMajorReservoir
    Indicates that an entity possesses or is associated with a primary or significant reservoir (such as a large storage or accumulation of a resource).
  • F. None of above.

Provenance (6 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_69a4940712c88190aa244f3fc6070a65 completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bc4bc21881909dcfe628f59f3e8c completed March 1, 2026, 10:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac539fc3708190b0b3dec5d5c73a71 completed March 7, 2026, 4:34 p.m.
NEDg Description generation batch_69ac54b01b7c8190ab7ad4441757fa2f completed March 7, 2026, 4:39 p.m.
NED2 Entity disambiguation (via description) batch_69ac556dfc8c8190b70a7d6310aa87d7 completed March 7, 2026, 4:42 p.m.
PD Predicate disambiguation batch_69a4bb4749ac8190b0fbddac2e9b2586 completed March 1, 2026, 10:18 p.m.
Created at: March 1, 2026, 7:44 p.m.