Triple

T91459
Position Surface form Disambiguated ID Type / Status
Subject Croton River E1836 entity
Predicate hasStructureOnWatercourse P4361 FINISHED
Object 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.
E17213 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: New Croton Dam | Statement: [Croton River, hasStructureOnWatercourse, New Croton Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New Croton Dam
Context triple: [Croton River, hasStructureOnWatercourse, New Croton Dam]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. East Branch Reservoir
    East Branch Reservoir is a man-made water supply reservoir in New York’s Croton Watershed that helps provide drinking water to New York City.
  • 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 Dam
Triple: [Croton River, hasStructureOnWatercourse, New Croton Dam]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: New Croton Dam
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. East Branch Reservoir
    East Branch Reservoir is a man-made water supply reservoir in New York’s Croton Watershed that helps provide drinking water to New York City.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasStructureOnWatercourse
Context triple: [Croton River, hasStructureOnWatercourse, New Croton Dam]
  • A. hasRiverActivity
    Indicates that an entity engages in, supports, or is associated with activities occurring on or along a river.
  • B. hasRiver
    Indicates that a location or area contains, is traversed by, or is directly associated with a river.
  • C. isRiverInHydrologicalSense
    Indicates that a river, considered as a hydrological feature (its water flow and drainage characteristics), is located within or associated with a specified geographic or hydrological area.
  • D. waterwaySystem
    Indicates that one entity is part of, or belongs to, a connected network of waterways associated with another entity.
  • E. locatedOnWaterbody
    Indicates that an entity is situated on or directly adjacent to a specified body of water.
  • F. None of above. chosen

Provenance (7 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_69a24d1a97dc819094e6c021fe9b05a7 completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a2512ef600819084d3c627f0d534f4 completed Feb. 28, 2026, 2:21 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2bf6620c88190bfc1c65b9942c98f completed Feb. 28, 2026, 10:11 a.m.
NEDg Description generation batch_69a2c108b6388190b25564c8cdb01e4b completed Feb. 28, 2026, 10:18 a.m.
NED2 Entity disambiguation (via description) batch_69a2c16e930881909281ba41d5da303b completed Feb. 28, 2026, 10:20 a.m.
PD Predicate disambiguation batch_69a24eb9a5ac8190b1d1300e8c4e3606 completed Feb. 28, 2026, 2:11 a.m.
PDg Predicate description generation batch_69a2512cc3108190aefe5e624312f7d0 completed Feb. 28, 2026, 2:21 a.m.
Created at: Feb. 28, 2026, 2:07 a.m.