Triple

T17596826
Position Surface form Disambiguated ID Type / Status
Subject Hetch Hetchy Power System E428593 entity
Predicate hasPart P35 FINISHED
Object Kirkwood Powerhouse — 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: Kirkwood Powerhouse | Statement: [Hetch Hetchy Power System, hasPart, Kirkwood Powerhouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kirkwood Powerhouse
Context triple: [Hetch Hetchy Power System, hasPart, Kirkwood Powerhouse]
  • A. Oak Grove Powerhouse
    Oak Grove Powerhouse is a hydroelectric generating station that converts water released from Oak Grove Dam into electrical power.
  • B. R. H. Saunders Generating Station
    R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
  • C. Palisades Powerplant
    Palisades Powerplant is a hydroelectric generating facility in Idaho that produces electricity using water released from Palisades Dam on the Snake River.
  • D. Shanan Power House
    Shanan Power House is a hydroelectric power station in Himachal Pradesh, India, that generates electricity using the waters of the Uhl River.
  • E. Healy Power Plant
    Healy Power Plant is a coal-fired power generation facility located near the community of Healy in interior Alaska.
  • 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: Kirkwood Powerhouse
Target entity description: Kirkwood Powerhouse is a hydroelectric generating facility within San Francisco’s Hetch Hetchy Power System that converts water from the Hetch Hetchy project into electricity.
  • A. Oak Grove Powerhouse
    Oak Grove Powerhouse is a hydroelectric generating station that converts water released from Oak Grove Dam into electrical power.
  • B. R. H. Saunders Generating Station
    R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
  • C. Palisades Powerplant
    Palisades Powerplant is a hydroelectric generating facility in Idaho that produces electricity using water released from Palisades Dam on the Snake River.
  • D. Shanan Power House
    Shanan Power House is a hydroelectric power station in Himachal Pradesh, India, that generates electricity using the waters of the Uhl River.
  • E. Healy Power Plant
    Healy Power Plant is a coal-fired power generation facility located near the community of Healy in interior Alaska.
  • 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_69d889e1030481909950e140c63255b9 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e469ec335c8190abcaff700cfff23b completed April 19, 2026, 5:36 a.m.
Created at: April 10, 2026, 5:51 a.m.