Triple

T17860816
Position Surface form Disambiguated ID Type / Status
Subject Oberaarsee E446065 entity
Predicate isPartOfHydropowerSystem P36984 FINISHED
Object Grimsel–Oberaar hydropower complex NE NERFINISHED

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: Grimsel–Oberaar hydropower complex | Statement: [Oberaarsee, isPartOfHydropowerSystem, Grimsel–Oberaar hydropower complex]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Grimsel–Oberaar hydropower complex
Context triple: [Oberaarsee, isPartOfHydropowerSystem, Grimsel–Oberaar hydropower complex]
  • A. Grimsel Dam
    Grimsel Dam is a large hydroelectric gravity dam in the Swiss Alps that creates the Grimselsee reservoir and plays a key role in Switzerland’s power generation.
  • B. Säckingen hydropower plant
    The Säckingen hydropower plant is a hydroelectric facility on the Upper Rhine in Germany that generates renewable electricity as part of the Schluchseewerk AG power plant network.
  • C. Sihl hydroelectric scheme
    The Sihl hydroelectric scheme is a Swiss power generation system that harnesses the waters of the Sihl river basin, including the Sihlsee reservoir, to produce hydroelectric energy.
  • D. Kembs hydroelectric power station
    Kembs hydroelectric power station is a run-of-the-river hydroelectric facility on the Rhine in France, known as one of the oldest major plants harnessing the Grand Canal d’Alsace for power generation.
  • E. Okertalsperre power station
    Okertalsperre power station is a hydroelectric facility in Germany that generates electricity using water from the Okertalsperre reservoir in the Harz Mountains.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Grimsel–Oberaar hydropower complex
Target entity description: The Grimsel–Oberaar hydropower complex is a major Swiss alpine hydroelectric system comprising multiple high-altitude reservoirs, dams, and power stations used for electricity generation and water management.
  • A. Grimsel Dam chosen
    Grimsel Dam is a large hydroelectric gravity dam in the Swiss Alps that creates the Grimselsee reservoir and plays a key role in Switzerland’s power generation.
  • B. Säckingen hydropower plant
    The Säckingen hydropower plant is a hydroelectric facility on the Upper Rhine in Germany that generates renewable electricity as part of the Schluchseewerk AG power plant network.
  • C. Sihl hydroelectric scheme
    The Sihl hydroelectric scheme is a Swiss power generation system that harnesses the waters of the Sihl river basin, including the Sihlsee reservoir, to produce hydroelectric energy.
  • D. Kembs hydroelectric power station
    Kembs hydroelectric power station is a run-of-the-river hydroelectric facility on the Rhine in France, known as one of the oldest major plants harnessing the Grand Canal d’Alsace for power generation.
  • E. Okertalsperre power station
    Okertalsperre power station is a hydroelectric facility in Germany that generates electricity using water from the Okertalsperre reservoir in the Harz Mountains.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isPartOfHydropowerSystem
Context triple: [Oberaarsee, isPartOfHydropowerSystem, Grimsel–Oberaar hydropower complex]
  • A. isInHydropowerCascade
    Indicates that one hydropower facility is part of a sequential chain of hydropower plants along the same water system, where its operation is hydrologically or operationally linked to others in the cascade.
  • B. isHydroelectricProjectOn
    Indicates that a hydroelectric project is located on or situated along a specified water body or site.
  • C. isPartOfWaterSystem chosen
    Indicates that one entity is a component, segment, or subsystem within a larger water distribution, treatment, or management system.
  • D. hasHydroelectricProject
    Indicates that an entity is associated with, operates, or contains a hydroelectric power generation project.
  • E. hasPenstocks
    Indicates that an entity is equipped with or contains one or more penstocks (conduits or pipes used to convey water, typically in hydraulic or hydroelectric systems).
  • F. None of above.

Provenance (3 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_69d8b9f26f18819089c9e43250bee6ae completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e4979013dc8190beb7718f0ba92bc3 completed April 19, 2026, 8:51 a.m.
PD Predicate disambiguation batch_69e3d8e6d2e88190ad9ef9f8a99f13e6 completed April 18, 2026, 7:17 p.m.
Created at: April 10, 2026, 10:17 a.m.