Triple

T22754907
Position Surface form Disambiguated ID Type / Status
Subject Pilarcitos Lake E562812 entity
Predicate partOf P40 FINISHED
Object San Francisco Public Utilities Commission 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: San Francisco Public Utilities Commission water system | Statement: [Pilarcitos Lake, partOf, San Francisco Public Utilities Commission water system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Francisco Public Utilities Commission water system
Context triple: [Pilarcitos Lake, partOf, San Francisco Public Utilities Commission water system]
  • A. California State Water System
    The California State Water System is a vast, integrated network of dams, reservoirs, aqueducts, and pumping facilities that transports and delivers water across much of California for urban, agricultural, and environmental uses.
  • B. San Francisco Peninsula reservoir system
    The San Francisco Peninsula reservoir system is a network of man-made lakes and related infrastructure that stores and supplies drinking water to the San Francisco Bay Area, particularly the city of San Francisco and nearby communities.
  • C. Solano County Water Agency
    Solano County Water Agency is a public water management agency in California responsible for regional water supply, flood control, and environmental stewardship in Solano County.
  • D. San Francisco Public Utilities Commission watershed lands chosen
    The San Francisco Public Utilities Commission watershed lands are a protected expanse of publicly owned terrain in the Bay Area managed to safeguard regional drinking water supplies and associated natural ecosystems.
  • E. Contra Costa Water District
    Contra Costa Water District is a public water agency in California that supplies drinking and irrigation water to communities in and around Contra Costa County.
  • 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_69e24551ec7881909a9c924dbea155f6 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f179bc48788190b3deb9287d02cb2c completed April 29, 2026, 3:23 a.m.
Created at: April 17, 2026, 3:25 p.m.