Triple

T326521
Position Surface form Disambiguated ID Type / Status
Subject Croton water supply system E6530 entity
Predicate hasTreatmentFacility P105 FINISHED
Object Croton Water Filtration Plant
The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
E41735 NE FINISHED

How this triple was built (5 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 Water Filtration Plant | Statement: [Croton water supply system, hasTreatmentFacility, Croton Water Filtration Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Croton Water Filtration Plant
Context triple: [Croton water supply system, hasTreatmentFacility, Croton Water Filtration Plant]
  • A. Croton water supply system
    The Croton water supply system is a historic network of reservoirs, aqueducts, and related infrastructure that delivers drinking water from New York’s Croton River watershed to New York City.
  • B. 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.
  • C. 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.
  • D. Croton Point
    Croton Point is a prominent peninsula on the east bank of the Hudson River in Westchester County, New York, known today for its large public park and scenic riverfront.
  • E. Croton Falls Dam
    Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s 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: Croton Water Filtration Plant
Triple: [Croton water supply system, hasTreatmentFacility, Croton Water Filtration Plant]
Generated description
The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Croton Water Filtration Plant
Target entity description: The Croton Water Filtration Plant is a major underground water treatment facility in New York City that filters and improves drinking water drawn from the Croton water supply system.
  • A. Croton water supply system
    The Croton water supply system is a historic network of reservoirs, aqueducts, and related infrastructure that delivers drinking water from New York’s Croton River watershed to New York City.
  • B. 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.
  • C. 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.
  • D. Croton Point
    Croton Point is a prominent peninsula on the east bank of the Hudson River in Westchester County, New York, known today for its large public park and scenic riverfront.
  • E. Croton Falls Dam
    Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasTreatmentFacility
Context triple: [Croton water supply system, hasTreatmentFacility, Croton Water Filtration Plant]
  • A. hasMedicalCenter
    Indicates that an entity possesses, hosts, or is associated with a medical center facility.
  • B. hasNotableFacility chosen
    Indicates that an entity possesses or hosts a facility that is of particular significance, prominence, or interest.
  • C. hasFacilityType
    Indicates that an entity possesses or is associated with a specific type or category of facility.
  • D. treatmentLocation
    Indicates the place or facility where a treatment or medical intervention is administered to an entity.
  • E. hasDischarge
    Indicates that one entity releases, emits, or expels a substance, energy, or flow from itself.
  • F. None of above.

Provenance (6 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_69a3cfedb8a4819085970bddbd8ff9c1 completed March 1, 2026, 5:34 a.m.
NEDg Description generation batch_69a3d0575f588190990388e957d78847 completed March 1, 2026, 5:36 a.m.
NED2 Entity disambiguation (via description) batch_69a3d0e13d3c8190b5618ddb66492f41 completed March 1, 2026, 5:38 a.m.
PD Predicate disambiguation batch_69a2e94aab1c8190b8654708c87eeb91 completed Feb. 28, 2026, 1:10 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.