Triple

T326494
Position Surface form Disambiguated ID Type / Status
Subject Croton water supply system E6530 entity
Predicate component P35 FINISHED
Object East Branch Reservoir E14757 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: East Branch Reservoir | Statement: [Croton water supply system, component, East Branch Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East Branch Reservoir
Context triple: [Croton water supply system, component, East Branch Reservoir]
  • A. East Branch Reservoir chosen
    East Branch Reservoir is a man-made water supply reservoir in New York’s Croton Watershed that helps provide drinking water to New York City.
  • B. Middle Branch Reservoir
    Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City water supply system.
  • C. Muscoot Reservoir
    Muscoot Reservoir is a man-made lake in Westchester County, New York, that serves as a key component of New York City’s Croton water supply system.
  • D. Croton Falls Reservoir
    Croton Falls Reservoir is a man-made lake in Westchester County, New York, that serves as part of New York City's Croton water supply system.
  • E. Amawalk Reservoir
    Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
  • 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_69a2e7933d6c8190bb2592ad13286ef2 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2ea974d8481908c7d84f72a7728b6 completed Feb. 28, 2026, 1:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69a431da3ccc8190955e0cc9e5da7eb9 completed March 1, 2026, 12:32 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.