Triple

T588523
Position Surface form Disambiguated ID Type / Status
Subject New Croton Dam E17213 entity
Predicate replaced P101 FINISHED
Object Old Croton Dam
Old Croton Dam was the original 19th-century masonry dam that formed part of New York City’s first major public water supply system before being superseded by the New Croton Dam.
E74906 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: Old Croton Dam | Statement: [New Croton Dam, replaced, Old Croton Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Old Croton Dam
Context triple: [New Croton Dam, replaced, Old Croton Dam]
  • A. 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.
  • 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. 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. 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.
  • E. Rondout Reservoir
    Rondout Reservoir is a major New York City water supply reservoir in the Catskill Mountains, formed by damming Rondout Creek and serving as a key component of the city’s Catskill–Delaware water 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: Old Croton Dam
Triple: [New Croton Dam, replaced, Old Croton Dam]
Generated description
Old Croton Dam was the original 19th-century masonry dam that formed part of New York City’s first major public water supply system before being superseded by the New Croton Dam.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Old Croton Dam
Target entity description: Old Croton Dam was the original 19th-century masonry dam that formed part of New York City’s first major public water supply system before being superseded by the New Croton Dam.
  • A. 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.
  • 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. 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. 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.
  • E. Rondout Reservoir
    Rondout Reservoir is a major New York City water supply reservoir in the Catskill Mountains, formed by damming Rondout Creek and serving as a key component of the city’s Catskill–Delaware water system.
  • 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_69a49379d09c8190ac7e00b24e2810b1 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a49b9d1e68819096a9b5e7b2e83d6e completed March 1, 2026, 8:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69a51f33e59c8190b3593b8460411fba completed March 2, 2026, 5:25 a.m.
NEDg Description generation batch_69a520147c808190b3f812cd439f3615 completed March 2, 2026, 5:28 a.m.
NED2 Entity disambiguation (via description) batch_69a52086c2bc81909ba39c2dc0b2ab58 completed March 2, 2026, 5:30 a.m.
Created at: March 1, 2026, 7:33 p.m.