Triple

T254582
Position Surface form Disambiguated ID Type / Status
Subject Westchester County, New York E5408 entity
Predicate contains P35 FINISHED
Object Croton Dam
Croton Dam is a historic masonry dam on the Croton River that forms part of New York City's early water supply system and creates the New Croton Reservoir in Westchester County, New York.
 E17213 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 Dam | Statement: [Westchester County, New York, contains, Croton Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Croton Dam
Context triple: [Westchester County, New York, contains, Croton Dam]
  • A. 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.
  • B. Great Stone Dam
    The Great Stone Dam is a historic 19th-century granite dam in Lawrence, Massachusetts, built to harness the Merrimack River for industrial waterpower and central to the city’s mill-era development.
  • 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 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.
  • E. Snake Dike
    Snake Dike is a classic, runout slab and dike rock climbing route on the southwest face of Half Dome in Yosemite National Park.
  • 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 Dam
Triple: [Westchester County, New York, contains, Croton Dam]
Generated description
Croton Dam is a historic masonry dam on the Croton River that forms part of New York City's early water supply system and creates the New Croton Reservoir in Westchester County, New York.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Croton Dam
Target entity description: Croton Dam is a historic masonry dam on the Croton River that forms part of New York City's early water supply system and creates the New Croton Reservoir in Westchester County, New York.
  • A. 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.
  • B. Great Stone Dam
    The Great Stone Dam is a historic 19th-century granite dam in Lawrence, Massachusetts, built to harness the Merrimack River for industrial waterpower and central to the city’s mill-era development.
  • C. New Croton Dam chosen
    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 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.
  • E. Snake Dike
    Snake Dike is a classic, runout slab and dike rock climbing route on the southwest face of Half Dome in Yosemite National Park.
  • F. None of above.

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_69a2580a64ac8190ad76e34bb0715b5e completed Feb. 28, 2026, 2:50 a.m.
NER Named-entity recognition batch_69a25d548cac819081b1636b2a057c62 completed Feb. 28, 2026, 3:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3949e1e2c819092c702b1fa1cb46c completed March 1, 2026, 1:21 a.m.
NEDg Description generation batch_69a3986c9b648190a1c30de3b0b52da6 completed March 1, 2026, 1:37 a.m.
NED2 Entity disambiguation (via description) batch_69a398c6b6588190a4213b66f07471b2 completed March 1, 2026, 1:39 a.m.
Created at: Feb. 28, 2026, 2:55 a.m.