Triple

T4197178
Position Surface form Disambiguated ID Type / Status
Subject West Branch Reservoir E89180 entity
Predicate partOf P40 FINISHED
Object New York City water supply system reservoirs in the Croton Watershed E250484 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: New York City water supply system reservoirs in the Croton Watershed | Statement: [West Branch Reservoir, partOf, New York City water supply system reservoirs in the Croton Watershed]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New York City water supply system reservoirs in the Croton Watershed
Context triple: [West Branch Reservoir, partOf, New York City water supply system reservoirs in the Croton Watershed]
  • A. New York City water supply system
    The New York City water supply system is a vast network of reservoirs, aqueducts, tunnels, and distribution infrastructure that delivers potable water from upstate watersheds to millions of residents in New York City.
  • B. Catskill system reservoirs
    The Catskill system reservoirs are a network of large upstate New York water storage basins that form a major component of New York City’s drinking water supply system.
  • C. 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.
  • D. Central Park water system
    The Central Park water system is an interconnected network of lakes, ponds, streams, and reservoirs in New York City's Central Park, designed for both scenic beauty and recreational use.
  • E. Croton Reservoir system chosen
    The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
  • 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_69aed9569a4481908b6c1fcec2a11e21 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69af035f9f788190a4bcfeda646fbebf completed March 9, 2026, 5:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5961f0de081908e2b6bee1725b97e completed March 14, 2026, 5:08 p.m.
Created at: March 9, 2026, 3:46 p.m.