Triple

T17596858
Position Surface form Disambiguated ID Type / Status
Subject Hetch Hetchy Power System E428593 entity
Predicate managingAgency P86 FINISHED
Object San Francisco Water Power Sewer — 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 Water Power Sewer | Statement: [Hetch Hetchy Power System, managingAgency, San Francisco Water Power Sewer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Francisco Water Power Sewer
Context triple: [Hetch Hetchy Power System, managingAgency, San Francisco Water Power Sewer]
  • A. SF Water Power Sewer
    SF Water Power Sewer is the public utility service brand of the San Francisco Public Utilities Commission, responsible for delivering the city’s water, power, and wastewater services.
  • B. Sacramento Municipal Utility District
    Sacramento Municipal Utility District is a community-owned electric utility serving the Sacramento, California region, known for providing power and managing energy resources for local residents and businesses.
  • 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 chosen
    The San Francisco Public Utilities Commission is the city agency responsible for providing and managing essential services such as water, power, and wastewater for San Francisco and surrounding communities.
  • E. East Bay Municipal Utility District
    East Bay Municipal Utility District is a public water and wastewater agency serving the San Francisco Bay Area’s East Bay communities.
  • 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_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.