Triple

T727419
Position Surface form Disambiguated ID Type / Status
Subject East Branch Reservoir E14757 entity
Predicate suppliesWaterTo P4102 FINISHED
Object Croton water supply system E6530 NE FINISHED

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: Croton water supply system | Statement: [East Branch Reservoir, suppliesWaterTo, Croton water supply system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Croton water supply system
Context triple: [East Branch Reservoir, suppliesWaterTo, Croton water supply system]
  • A. Croton water supply system chosen
    The Croton water supply system is a historic network of reservoirs, aqueducts, and related infrastructure that delivers drinking water from New York’s Croton River watershed to New York City.
  • B. Croton Water Filtration Plant
    The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
  • C. 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.
  • D. New Croton Reservoir
    The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
  • E. North Bay Aqueduct
    The North Bay Aqueduct is a key water conveyance facility in California that delivers State Water Project supplies to communities in Solano and Napa counties.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69a4934c753c81909b309027e48b9b3a completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4aa9a1dcc81908bdb7b960765fde5 completed March 1, 2026, 9:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69a6666ebf2c8190b0b0f1b9aa8ac12d completed March 3, 2026, 4:41 a.m.
Created at: March 1, 2026, 7:37 p.m.