Triple

T21485100
Position Surface form Disambiguated ID Type / Status
Subject Flatiron Reservoir E530096 entity
Predicate outflow P967 FINISHED
Object Flatiron Penstocks — NE NERFINISHED

How this triple was built (3 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: Flatiron Penstocks | Statement: [Flatiron Reservoir, outflow, Flatiron Penstocks]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Flatiron Penstocks
Context triple: [Flatiron Reservoir, outflow, Flatiron Penstocks]
  • A. Kirkwood Penstock
    Kirkwood Penstock is a major water-conveyance structure within California’s Hetch Hetchy hydroelectric power network, channeling high-pressure flows to generate electricity.
  • B. Moccasin Penstock
    Moccasin Penstock is a major water-conveyance structure within California’s Hetch Hetchy hydroelectric system that channels high-pressure flows to generate power at the Moccasin facilities.
  • C. Catskill Aqueduct
    The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
  • D. Store Street Aqueduct
    Store Street Aqueduct is a historic cast-iron waterway structure in Manchester, England, carrying the Ashton Canal over Store Street and regarded as one of the earliest surviving examples of its kind.
  • E. Palisades Dam
    Palisades Dam is a large earthfill dam in eastern Idaho that provides irrigation water storage, hydroelectric power, and flood control on the upper Snake River.
  • 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: Flatiron Penstocks
Target entity description: Flatiron Penstocks are large conduits that carry water from Flatiron Reservoir to downstream hydroelectric and water delivery facilities as part of a managed water infrastructure system.
  • A. Kirkwood Penstock
    Kirkwood Penstock is a major water-conveyance structure within California’s Hetch Hetchy hydroelectric power network, channeling high-pressure flows to generate electricity.
  • B. Moccasin Penstock
    Moccasin Penstock is a major water-conveyance structure within California’s Hetch Hetchy hydroelectric system that channels high-pressure flows to generate power at the Moccasin facilities.
  • C. Catskill Aqueduct
    The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
  • D. Store Street Aqueduct
    Store Street Aqueduct is a historic cast-iron waterway structure in Manchester, England, carrying the Ashton Canal over Store Street and regarded as one of the earliest surviving examples of its kind.
  • E. Palisades Dam
    Palisades Dam is a large earthfill dam in eastern Idaho that provides irrigation water storage, hydroelectric power, and flood control on the upper Snake River.
  • F. None of above. chosen

Provenance (2 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_69e0c45acc3881908e38d3f28964152b completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e9ea365a8481909635f614b23e751f completed April 23, 2026, 9:45 a.m.
Created at: April 16, 2026, 6:21 p.m.