Triple

T2111019
Position Surface form Disambiguated ID Type / Status
Subject New Croton Aqueduct E42501 entity
Predicate startPoint P389 FINISHED
Object Croton Reservoir system
The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
 E250484 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: Croton Reservoir system | Statement: [New Croton Aqueduct, startPoint, Croton Reservoir system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Croton Reservoir system
Context triple: [New Croton Aqueduct, startPoint, Croton Reservoir system]
  • A. Croton Reservoir
    Croton Reservoir is a large man-made lake in Westchester County, New York, that serves as a key component of New York City's water supply system.
  • B. Croton Falls Reservoir
    Croton Falls Reservoir is a man-made lake in Westchester County, New York, that serves as part of New York City's Croton water supply system.
  • C. Middle Branch Reservoir
    Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City water supply system.
  • D. New Croton Reservoir
    The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
  • E. Union Valley Reservoir
    Union Valley Reservoir is a large man-made lake in California’s Sierra Nevada used for recreation and hydroelectric power within Eldorado National Forest.
  • 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: Croton Reservoir system
Triple: [New Croton Aqueduct, startPoint, Croton Reservoir system]
Generated description
The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Croton Reservoir system
Target entity description: The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
  • A. Croton Reservoir
    Croton Reservoir is a large man-made lake in Westchester County, New York, that serves as a key component of New York City's water supply system.
  • B. Croton Falls Reservoir
    Croton Falls Reservoir is a man-made lake in Westchester County, New York, that serves as part of New York City's Croton water supply system.
  • C. Middle Branch Reservoir
    Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City water supply system.
  • D. New Croton Reservoir
    The New Croton Reservoir is a major water supply reservoir in Westchester County, New York, that forms a key part of New York City's Croton water system.
  • E. Union Valley Reservoir
    Union Valley Reservoir is a large man-made lake in California’s Sierra Nevada used for recreation and hydroelectric power within Eldorado National Forest.
  • 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_69a8871040f08190aac2e2d0ab6b47ad completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abbb024ce88190a30e1320e53b82bc completed March 7, 2026, 5:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae71ac8a0081909cbb1187513bfc56 completed March 9, 2026, 7:07 a.m.
NEDg Description generation batch_69ae759def9881909c94ed211790d741 completed March 9, 2026, 7:24 a.m.
NED2 Entity disambiguation (via description) batch_69ae7634343c819094efcb7bea49ef9e completed March 9, 2026, 7:26 a.m.
Created at: March 4, 2026, 7:43 p.m.