Triple

T8297829
Position Surface form Disambiguated ID Type / Status
Subject Neversink River E194266 entity
Predicate containsReservoir P13043 FINISHED
Object Pepacton Reservoir (via watershed connection) E210609 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: Pepacton Reservoir (via watershed connection) | Statement: [Neversink River, containsReservoir, Pepacton Reservoir (via watershed connection)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pepacton Reservoir (via watershed connection)
Context triple: [Neversink River, containsReservoir, Pepacton Reservoir (via watershed connection)]
  • A. Pepacton Reservoir chosen
    Pepacton Reservoir is a large man-made lake in the Catskill Mountains of New York that serves as a major component of New York City's drinking water supply system.
  • B. Lahontan Reservoir (via Carson River)
    Lahontan Reservoir is a large man-made lake in western Nevada that stores and regulates water from the Carson River for irrigation, recreation, and wildlife habitat.
  • C. West Basin of Ashokan Reservoir
    The West Basin of Ashokan Reservoir is the western section of the Ashokan Reservoir in New York’s Catskill Mountains, serving as part of a major water supply system for New York City.
  • D. Hetch Hetchy Regional Water System
    The Hetch Hetchy Regional Water System is a major water supply and delivery network that provides high-quality drinking water from Sierra Nevada sources to San Francisco and numerous Bay Area communities.
  • E. Santillana Reservoir (upper basin connection)
    Santillana Reservoir (upper basin connection) is a key water storage and regulation facility in the upper basin of the Manzanares River, supporting water supply and flow management in the Madrid region of Spain.
  • 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_69ca82e50ebc81909aa7b260c76bd757 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7dfa040c8190ab801b3910e39142 completed March 31, 2026, 7:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd68b6ad30819090d34d8e79cee634 completed April 1, 2026, 6:49 p.m.
Created at: March 30, 2026, 5:53 p.m.