Triple

T23449654
Position Surface form Disambiguated ID Type / Status
Subject San Antonio Reservoir E567741 entity
Predicate partOf P40 FINISHED
Object Hetch Hetchy Regional Water System — NE NERFINISHED

How this triple was built (2 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: Hetch Hetchy Regional Water System | Statement: [San Antonio Reservoir, partOf, Hetch Hetchy Regional Water System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hetch Hetchy Regional Water System
Context triple: [San Antonio Reservoir, partOf, Hetch Hetchy Regional Water System]
  • A. Hetch Hetchy Regional Water System chosen
    The Hetch Hetchy Regional Water System is a major water supply and delivery network that provides high-quality drinking water from Sierra Nevada sources to San Francisco and numerous Bay Area communities.
  • B. Hetch Hetchy Reservoir
    Hetch Hetchy Reservoir is a man-made lake in Yosemite National Park that stores water and generates hydroelectric power for the San Francisco Bay Area.
  • C. Hetch Hetchy Power System
    The Hetch Hetchy Power System is a municipal hydroelectric power network that generates and delivers clean electricity to San Francisco and surrounding public facilities.
  • D. Pepacton Reservoir
    Pepacton Reservoir is a large man-made lake in the Catskill Mountains of New York that serves as a major component of New York City's drinking water supply system.
  • E. Hetch Hetchy Aqueduct
    The Hetch Hetchy Aqueduct is a major water conveyance system that transports drinking water from the Hetch Hetchy Reservoir in Yosemite National Park to the San Francisco Bay Area.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e2458b4c888190b1d7998f9862a558 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f1a64c1ee081908ba3adf5ce80d6a5 completed April 29, 2026, 6:33 a.m.
Created at: April 17, 2026, 5:52 p.m.