Triple

T790344
Position Surface form Disambiguated ID Type / Status
Subject New Croton Reservoir E16898 entity
Predicate isUpstreamOf P5955 FINISHED
Object Croton River below New Croton Dam
Croton River below New Croton Dam is the stretch of the Croton River in Westchester County, New York, that flows immediately downstream of the New Croton Dam and is known for its regulated flows and popular trout fishing waters.
E108840 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 River below New Croton Dam | Statement: [New Croton Reservoir, isUpstreamOf, Croton River below New Croton Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Croton River below New Croton Dam
Context triple: [New Croton Reservoir, isUpstreamOf, Croton River below New Croton Dam]
  • A. Middle Branch Croton River
    The Middle Branch Croton River is a tributary stream in southeastern New York that forms part of the Croton River watershed supplying New York City’s water system.
  • B. East Branch Croton River
    East Branch Croton River is a major tributary of New York's Croton River system, contributing to the water supply network for New York City.
  • C. West Branch Croton River
    West Branch Croton River is a major tributary of New York’s Croton River, flowing through Putnam County and contributing to the New York City water supply system.
  • D. Titicus River
    The Titicus River is a tributary stream in southwestern Connecticut and southeastern New York that feeds into the Croton River within the New York City water supply system.
  • E. Saw Mill River
    Saw Mill River is a tributary of the Hudson River in southeastern New York, flowing through urban and suburban communities in Westchester County.
  • 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 River below New Croton Dam
Triple: [New Croton Reservoir, isUpstreamOf, Croton River below New Croton Dam]
Generated description
Croton River below New Croton Dam is the stretch of the Croton River in Westchester County, New York, that flows immediately downstream of the New Croton Dam and is known for its regulated flows and popular trout fishing waters.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Croton River below New Croton Dam
Target entity description: Croton River below New Croton Dam is the stretch of the Croton River in Westchester County, New York, that flows immediately downstream of the New Croton Dam and is known for its regulated flows and popular trout fishing waters.
  • A. Middle Branch Croton River
    The Middle Branch Croton River is a tributary stream in southeastern New York that forms part of the Croton River watershed supplying New York City’s water system.
  • B. East Branch Croton River
    East Branch Croton River is a major tributary of New York's Croton River system, contributing to the water supply network for New York City.
  • C. West Branch Croton River
    West Branch Croton River is a major tributary of New York’s Croton River, flowing through Putnam County and contributing to the New York City water supply system.
  • D. Titicus River
    The Titicus River is a tributary stream in southwestern Connecticut and southeastern New York that feeds into the Croton River within the New York City water supply system.
  • E. Saw Mill River
    Saw Mill River is a tributary of the Hudson River in southeastern New York, flowing through urban and suburban communities in Westchester County.
  • 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_69a4936cb7448190914f5fe4b8d81607 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a79754988190ab494b1c54d6a2a4 completed March 1, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7cf4d769c81909eba6cefb241d417 completed March 4, 2026, 6:21 a.m.
NEDg Description generation batch_69a7d1c7e624819095426c813f1a6359 completed March 4, 2026, 6:31 a.m.
NED2 Entity disambiguation (via description) batch_69a7d2382dd88190b35283df097f3bb3 completed March 4, 2026, 6:33 a.m.
Created at: March 1, 2026, 7:38 p.m.