Triple

T1857493
Position Surface form Disambiguated ID Type / Status
Subject New York City distribution tunnels E41736 entity
Predicate waterSource P4102 FINISHED
Object 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.
 E207914 NE FINISHED

How this triple was built (4 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 system reservoirs | Statement: [New York City distribution tunnels, waterSource, Catskill system reservoirs]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Catskill system reservoirs
Context triple: [New York City distribution tunnels, waterSource, Catskill system reservoirs]
  • A. Schoharie Reservoir
    Schoharie Reservoir is a major upstate New York water supply reservoir that forms part of the New York City water system.
  • B. Catskill-Delaware Watershed
    The Catskill-Delaware Watershed is a major protected watershed system in southeastern New York that supplies most of New York City’s unfiltered drinking water.
  • C. Rondout Reservoir
    Rondout Reservoir is a major New York City water supply reservoir in the Catskill Mountains, formed by damming Rondout Creek and serving as a key component of the city’s Catskill–Delaware water system.
  • D. Kensico Reservoir
    Kensico Reservoir is a major New York City water supply reservoir located in Westchester County, New York, known for its role in storing and regulating drinking water from the Catskill and Delaware systems.
  • E. Katonah Reservoir
    Katonah Reservoir is a man-made water body in Westchester County, New York, that forms part of the New York City water supply system.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Catskill system reservoirs
Triple: [New York City distribution tunnels, waterSource, Catskill system reservoirs]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Catskill system reservoirs
Target entity description: 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.
  • A. Schoharie Reservoir
    Schoharie Reservoir is a major upstate New York water supply reservoir that forms part of the New York City water system.
  • B. Catskill-Delaware Watershed
    The Catskill-Delaware Watershed is a major protected watershed system in southeastern New York that supplies most of New York City’s unfiltered drinking water.
  • C. Rondout Reservoir
    Rondout Reservoir is a major New York City water supply reservoir in the Catskill Mountains, formed by damming Rondout Creek and serving as a key component of the city’s Catskill–Delaware water system.
  • D. Kensico Reservoir
    Kensico Reservoir is a major New York City water supply reservoir located in Westchester County, New York, known for its role in storing and regulating drinking water from the Catskill and Delaware systems.
  • E. Katonah Reservoir
    Katonah Reservoir is a man-made water body in Westchester County, New York, that forms part of the New York City water supply system.
  • F. None of above. chosen

Provenance (5 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_69a8864a83848190a4ec02721306c511 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb07fc5f08190a195a2f24d7b858a completed March 7, 2026, 4:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69add1cb5b708190a0b89b157ea9da58 completed March 8, 2026, 7:45 p.m.
NEDg Description generation batch_69add2729498819082f6595c57f545a8 completed March 8, 2026, 7:48 p.m.
NED2 Entity disambiguation (via description) batch_69add32c32b08190be6624eefa2fa386 completed March 8, 2026, 7:51 p.m.
Created at: March 4, 2026, 7:33 p.m.