Triple

T17542852
Position Surface form Disambiguated ID Type / Status
Subject San Francisco Public Utilities Commission E427245 entity
Predicate operates P24 FINISHED
Object Harry Tracy Water Treatment Plant — 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: Harry Tracy Water Treatment Plant | Statement: [San Francisco Public Utilities Commission, operates, Harry Tracy Water Treatment Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harry Tracy Water Treatment Plant
Context triple: [San Francisco Public Utilities Commission, operates, Harry Tracy Water Treatment Plant]
  • A. Tracy Pumping Plant
    Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
  • B. Eastern Treatment Plant
    The Eastern Treatment Plant is a major wastewater treatment facility in Melbourne, Australia, that processes sewage and produces recycled water and biosolids for the region.
  • C. Bouse Hills Pumping Plant
    Bouse Hills Pumping Plant is a major water-lifting facility within the Central Arizona Project system that helps convey Colorado River water across central Arizona.
  • D. Harvey O. Banks Pumping Plant
    The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
  • E. Western Treatment Plant
    The Western Treatment Plant is a major sewage treatment and recycled water facility in Melbourne, Australia, known for its large-scale wastewater processing and significant wetlands that support diverse birdlife.
  • 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: Harry Tracy Water Treatment Plant
Target entity description: The Harry Tracy Water Treatment Plant is a major drinking water facility serving the San Francisco Bay Area, providing treated water to local communities as part of the regional Hetch Hetchy system.
  • A. Tracy Pumping Plant
    Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
  • B. Eastern Treatment Plant
    The Eastern Treatment Plant is a major wastewater treatment facility in Melbourne, Australia, that processes sewage and produces recycled water and biosolids for the region.
  • C. Bouse Hills Pumping Plant
    Bouse Hills Pumping Plant is a major water-lifting facility within the Central Arizona Project system that helps convey Colorado River water across central Arizona.
  • D. Harvey O. Banks Pumping Plant
    The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
  • E. Western Treatment Plant
    The Western Treatment Plant is a major sewage treatment and recycled water facility in Melbourne, Australia, known for its large-scale wastewater processing and significant wetlands that support diverse birdlife.
  • 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_69d889df6dc081908f67dbadc03c07ee completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e4545f1fa08190870c9244d06cf5f6 completed April 19, 2026, 4:04 a.m.
Created at: April 10, 2026, 5:49 a.m.