Triple

T23211046
Position Surface form Disambiguated ID Type / Status
Subject Fairfax Water E580594 entity
Predicate operatesFacility P4904 FINISHED
Object Corbalis 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: Corbalis Water Treatment Plant | Statement: [Fairfax Water, operatesFacility, Corbalis Water Treatment Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Corbalis Water Treatment Plant
Context triple: [Fairfax Water, operatesFacility, Corbalis Water Treatment Plant]
  • A. Magathane Water Treatment Plant
    Magathane Water Treatment Plant is a major facility in Mumbai responsible for treating and supplying potable water to surrounding urban areas.
  • B. Brown Water Treatment Plant
    The Brown Water Treatment Plant is a key facility that treats and supplies drinking water as part of the Durham municipal water system.
  • C. Sunol Valley Water Treatment Plant
    The Sunol Valley Water Treatment Plant is a major facility in California’s East Bay that treats and supplies drinking water to the San Francisco Bay Area.
  • D. Harry Tracy Water Treatment Plant
    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.
  • E. 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.
  • 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: Corbalis Water Treatment Plant
Target entity description: Corbalis Water Treatment Plant is a major drinking water treatment facility in Northern Virginia that supplies treated potable water to Fairfax County and surrounding communities.
  • A. Magathane Water Treatment Plant
    Magathane Water Treatment Plant is a major facility in Mumbai responsible for treating and supplying potable water to surrounding urban areas.
  • B. Brown Water Treatment Plant
    The Brown Water Treatment Plant is a key facility that treats and supplies drinking water as part of the Durham municipal water system.
  • C. Sunol Valley Water Treatment Plant
    The Sunol Valley Water Treatment Plant is a major facility in California’s East Bay that treats and supplies drinking water to the San Francisco Bay Area.
  • D. Harry Tracy Water Treatment Plant
    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.
  • E. 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.
  • 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_69e24602ae1481908aaa6bc7ca493867 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f191614bc4819080938752d843dcc6 completed April 29, 2026, 5:04 a.m.
Created at: April 17, 2026, 4:07 p.m.