Triple

T8849859
Position Surface form Disambiguated ID Type / Status
Subject Pepacton Reservoir E210609 entity
Predicate formedBySubmerging P84977 FINISHED
Object Union Grove, New York
Union Grove, New York was a former Catskills hamlet that was permanently submerged in the mid-20th century to create the Pepacton Reservoir, part of New York City’s water supply system.
 E761253 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: Union Grove, New York | Statement: [Pepacton Reservoir, formedBySubmerging, Union Grove, New York]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union Grove, New York
Context triple: [Pepacton Reservoir, formedBySubmerging, Union Grove, New York]
  • A. Napanoch, New York
    Napanoch, New York is a small hamlet in Ulster County’s Town of Wawarsing in the Catskills region, historically shaped by its rural setting and former correctional facilities.
  • B. Chittenango, New York
    Chittenango, New York is a small village in Madison County best known as the birthplace of "The Wonderful Wizard of Oz" author L. Frank Baum and for its Oz-themed local attractions.
  • C. Callicoon, New York
    Callicoon, New York is a small hamlet and popular Delaware River community in the Catskills region known for its historic downtown and outdoor recreation.
  • D. Tuckahoe, New York
    Tuckahoe, New York is a small suburban village in southeastern New York known for its residential neighborhoods and proximity to New York City.
  • E. Palenville, New York
    Palenville, New York is a small hamlet in the Catskill Mountains known as a historic artists’ colony and gateway to nearby natural attractions.
  • 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: Union Grove, New York
Triple: [Pepacton Reservoir, formedBySubmerging, Union Grove, New York]
Generated description
Union Grove, New York was a former Catskills hamlet that was permanently submerged in the mid-20th century to create the Pepacton Reservoir, part of New York City’s water supply system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Union Grove, New York
Target entity description: Union Grove, New York was a former Catskills hamlet that was permanently submerged in the mid-20th century to create the Pepacton Reservoir, part of New York City’s water supply system.
  • A. Napanoch, New York
    Napanoch, New York is a small hamlet in Ulster County’s Town of Wawarsing in the Catskills region, historically shaped by its rural setting and former correctional facilities.
  • B. Chittenango, New York
    Chittenango, New York is a small village in Madison County best known as the birthplace of "The Wonderful Wizard of Oz" author L. Frank Baum and for its Oz-themed local attractions.
  • C. Callicoon, New York
    Callicoon, New York is a small hamlet and popular Delaware River community in the Catskills region known for its historic downtown and outdoor recreation.
  • D. Tuckahoe, New York
    Tuckahoe, New York is a small suburban village in southeastern New York known for its residential neighborhoods and proximity to New York City.
  • E. Palenville, New York
    Palenville, New York is a small hamlet in the Catskill Mountains known as a historic artists’ colony and gateway to nearby natural attractions.
  • 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_69ca838a424c8190b1ecac115c2927e7 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc60abb0748190af41d4e1f419e39c completed April 1, 2026, 12:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69cf89c6788881908d6f5c49434b556d completed April 3, 2026, 9:35 a.m.
NEDg Description generation batch_69cf8ab7da348190b423f0768fe9dc1a completed April 3, 2026, 9:39 a.m.
NED2 Entity disambiguation (via description) batch_69cf8bd252a4819098891bbb67baf897 completed April 3, 2026, 9:43 a.m.
Created at: March 30, 2026, 6:49 p.m.