Triple

T7912474
Position Surface form Disambiguated ID Type / Status
Subject Central Park Reservoir E183731 entity
Predicate partOf P40 FINISHED
Object New York City water supply system (historical) E42502 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 (historical) | Statement: [Central Park Reservoir, partOf, New York City water supply system (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: New York City water supply system (historical)
Context triple: [Central Park Reservoir, partOf, New York City water supply system (historical)]
  • A. New York City water supply system chosen
    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. New York City Board of Water Supply
    The New York City Board of Water Supply was a municipal agency responsible for planning and constructing the large-scale waterworks that expanded and secured New York City’s drinking water system in the early 20th century.
  • C. 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.
  • D. Metropolitan Water Works system
    The Metropolitan Water Works system is a historic public water supply network that provided drinking water to the Boston metropolitan area through an extensive system of reservoirs, aqueducts, and related infrastructure.
  • E. Middlesex Fells Reservation water system
    The Middlesex Fells Reservation water system is a network of reservoirs and related infrastructure in Massachusetts that historically supplied drinking water and now supports recreation and conservation within the Middlesex Fells Reservation.
  • 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_69ca828dec0c81908b8f55a4dbbb53ff completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb3a7383cc819084eab19799209d2e completed March 31, 2026, 3:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69cb5bdfb8d0819089cf1268df61bcdc completed March 31, 2026, 5:30 a.m.
Created at: March 30, 2026, 5:04 p.m.