Triple

T1857394
Position Surface form Disambiguated ID Type / Status
Subject Delaware system E41734 entity
Predicate drawsWaterFrom P4102 FINISHED
Object Neversink Reservoir
Neversink Reservoir is a major Catskill Mountain water supply reservoir in New York that forms part of New York City’s upstate drinking water system.
 E220086 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: Neversink Reservoir | Statement: [Delaware system, drawsWaterFrom, Neversink Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Neversink Reservoir
Context triple: [Delaware system, drawsWaterFrom, Neversink Reservoir]
  • A. 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.
  • B. 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.
  • C. Titicus Reservoir
    Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
  • D. Schoharie Reservoir
    Schoharie Reservoir is a major upstate New York water supply reservoir that forms part of the New York City water system.
  • 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: Neversink Reservoir
Triple: [Delaware system, drawsWaterFrom, Neversink Reservoir]
Generated description
Neversink Reservoir is a major Catskill Mountain water supply reservoir in New York that forms part of New York City’s upstate drinking water system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Neversink Reservoir
Target entity description: Neversink Reservoir is a major Catskill Mountain water supply reservoir in New York that forms part of New York City’s upstate drinking water system.
  • A. 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.
  • B. 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.
  • C. Titicus Reservoir
    Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
  • D. Schoharie Reservoir
    Schoharie Reservoir is a major upstate New York water supply reservoir that forms part of the New York City water system.
  • 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_69abb7c2354081909ee4da7669932796 completed March 7, 2026, 5:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69adfba49f0c8190a6db188f201a6da6 completed March 8, 2026, 10:43 p.m.
NEDg Description generation batch_69adfd0f374c8190a75d3a25373e3364 completed March 8, 2026, 10:49 p.m.
NED2 Entity disambiguation (via description) batch_69adfd713c4081908a2fae2fada76dae completed March 8, 2026, 10:51 p.m.
Created at: March 4, 2026, 7:33 p.m.