Triple

T326485
Position Surface form Disambiguated ID Type / Status
Subject Croton water supply system E6530 entity
Predicate component P35 FINISHED
Object New Croton Aqueduct
The New Croton Aqueduct is a major underground water tunnel that conveys drinking water from the Croton Reservoir system in upstate New York to New York City.
E42501 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: New Croton Aqueduct | Statement: [Croton water supply system, component, New Croton Aqueduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New Croton Aqueduct
Context triple: [Croton water supply system, component, New Croton Aqueduct]
  • A. Delaware Aqueduct
    The Delaware Aqueduct is a historic 19th-century suspension aqueduct that carried the Delaware and Hudson Canal over the Delaware River and is now preserved as the oldest surviving wire suspension bridge in the United States.
  • B. Old Croton Aqueduct State Historic Park
    Old Croton Aqueduct State Historic Park is a linear park and historic trail that follows the route of the 19th-century aqueduct that once carried New York City’s drinking water from the Croton River.
  • C. 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.
  • D. New Croton Dam
    New Croton Dam is a large masonry gravity dam in New York that forms the New Croton Reservoir, a key component of New York City’s water supply system.
  • E. Emperor’s Canal
    Emperor’s Canal is one of Amsterdam’s main historic canals, renowned for its elegant 17th-century canal houses and central role in the city’s UNESCO-listed canal belt.
  • 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: New Croton Aqueduct
Triple: [Croton water supply system, component, New Croton Aqueduct]
Generated description
The New Croton Aqueduct is a major underground water tunnel that conveys drinking water from the Croton Reservoir system in upstate New York to New York City.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: New Croton Aqueduct
Target entity description: The New Croton Aqueduct is a major underground water tunnel that conveys drinking water from the Croton Reservoir system in upstate New York to New York City.
  • A. Delaware Aqueduct
    The Delaware Aqueduct is a historic 19th-century suspension aqueduct that carried the Delaware and Hudson Canal over the Delaware River and is now preserved as the oldest surviving wire suspension bridge in the United States.
  • B. Old Croton Aqueduct State Historic Park
    Old Croton Aqueduct State Historic Park is a linear park and historic trail that follows the route of the 19th-century aqueduct that once carried New York City’s drinking water from the Croton River.
  • C. 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.
  • D. New Croton Dam
    New Croton Dam is a large masonry gravity dam in New York that forms the New Croton Reservoir, a key component of New York City’s water supply system.
  • E. Emperor’s Canal
    Emperor’s Canal is one of Amsterdam’s main historic canals, renowned for its elegant 17th-century canal houses and central role in the city’s UNESCO-listed canal belt.
  • 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_69a2e7933d6c8190bb2592ad13286ef2 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2ea974d8481908c7d84f72a7728b6 completed Feb. 28, 2026, 1:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3d241f924819087dedd32d7b6cc2b completed March 1, 2026, 5:44 a.m.
NEDg Description generation batch_69a3d2cf9bb08190bffa5c03147b6aff completed March 1, 2026, 5:46 a.m.
NED2 Entity disambiguation (via description) batch_69a3d34bbbcc819089cf2123da185eb3 completed March 1, 2026, 5:48 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.