Triple

T91448
Position Surface form Disambiguated ID Type / Status
Subject Croton River E1836 entity
Predicate hasPart P35 FINISHED
Object Cross River Reservoir
Cross River Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
 E24784 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: Cross River Reservoir | Statement: [Croton River, hasPart, Cross River Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cross River Reservoir
Context triple: [Croton River, hasPart, Cross River Reservoir]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Bog Brook Reservoir
    Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
  • 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: Cross River Reservoir
Triple: [Croton River, hasPart, Cross River Reservoir]
Generated description
Cross River Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cross River Reservoir
Target entity description: Cross River Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Bog Brook Reservoir
    Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
  • 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

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_69a24d1a97dc819094e6c021fe9b05a7 completed Feb. 28, 2026, 2:04 a.m.
NER Named-entity recognition batch_69a24f6c29888190890caa7872d63ac6 completed Feb. 28, 2026, 2:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69a31155cfe48190927341544078c9ca completed Feb. 28, 2026, 4:01 p.m.
NEDg Description generation batch_69a313c6cd88819093754d91199660c9 completed Feb. 28, 2026, 4:11 p.m.
NED2 Entity disambiguation (via description) batch_69a3142c87ac8190bf110b3b51d9166d completed Feb. 28, 2026, 4:13 p.m.
Created at: Feb. 28, 2026, 2:07 a.m.