Triple

T9739101
Position Surface form Disambiguated ID Type / Status
Subject New York City Water Tunnel No. 1 E236140 entity
Predicate startPoint P389 FINISHED
Object Catskill-Delaware water supply system E723948 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: Catskill-Delaware water supply system | Statement: [New York City Water Tunnel No. 1, startPoint, Catskill-Delaware water supply system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Catskill-Delaware water supply system
Context triple: [New York City Water Tunnel No. 1, startPoint, Catskill-Delaware water supply system]
  • A. Catskill–Delaware water supply system chosen
    The Catskill–Delaware water supply system is a major network of reservoirs, aqueducts, and related infrastructure that delivers the majority of New York City’s high-quality drinking water from the Catskill Mountains and Delaware River watershed.
  • B. Delaware Aqueduct
    The Delaware Aqueduct is a major underground tunnel that transports drinking water from reservoirs in the Delaware River watershed to New York City, forming a critical component of the city’s water supply infrastructure.
  • C. Delaware Aqueduct
    The Delaware Aqueduct is a historic 19th-century suspension aqueduct that carried the Delaware and Hudson Canal over the Delaware River and is now preserved as the oldest surviving wire suspension bridge in the United States.
  • D. Schoharie–Esopus water diversion system
    The Schoharie–Esopus water diversion system is a key component of New York City's upstate water supply infrastructure that transfers water from the Schoharie Reservoir into the Esopus Creek watershed via tunnels and related facilities.
  • E. Catskill Aqueduct
    The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
  • 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_69ca84d313e88190983ee6ffd0ef60d2 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cd9ef43fec8190987628f401a27436 completed April 1, 2026, 10:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1afe0dab48190832ab77265c09d70 completed April 5, 2026, 12:42 a.m.
Created at: March 30, 2026, 8:22 p.m.