Triple

T8297827
Position Surface form Disambiguated ID Type / Status
Subject Neversink River E194266 entity
Predicate impoundedBy P10781 FINISHED
Object Neversink Dam
Neversink Dam is a large earthen reservoir dam in New York’s Catskill Mountains that forms part of the New York City water supply system.
 E729298 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: Neversink Dam | Statement: [Neversink River, impoundedBy, Neversink Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Neversink Dam
Context triple: [Neversink River, impoundedBy, Neversink Dam]
  • A. Rondout Dam
    Rondout Dam is a major earthen dam in New York that impounds the Rondout Reservoir as part of the New York City water supply system.
  • B. Kensico Dam
    Kensico Dam is a massive early-20th-century masonry dam in Valhalla, New York, that forms the Kensico Reservoir and serves as a key component of New York City's water supply system.
  • C. Shawmut Dam
    Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
  • D. Palisades Dam
    Palisades Dam is a large earthfill dam in eastern Idaho that provides irrigation water storage, hydroelectric power, and flood control on the upper Snake River.
  • E. Watertown Dam
    Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
  • 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: Neversink Dam
Triple: [Neversink River, impoundedBy, Neversink Dam]
Generated description
Neversink Dam is a large earthen reservoir dam in New York’s Catskill Mountains that forms part of the New York City water supply system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Neversink Dam
Target entity description: Neversink Dam is a large earthen reservoir dam in New York’s Catskill Mountains that forms part of the New York City water supply system.
  • A. Rondout Dam
    Rondout Dam is a major earthen dam in New York that impounds the Rondout Reservoir as part of the New York City water supply system.
  • B. Kensico Dam
    Kensico Dam is a massive early-20th-century masonry dam in Valhalla, New York, that forms the Kensico Reservoir and serves as a key component of New York City's water supply system.
  • C. Shawmut Dam
    Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
  • D. Palisades Dam
    Palisades Dam is a large earthfill dam in eastern Idaho that provides irrigation water storage, hydroelectric power, and flood control on the upper Snake River.
  • E. Watertown Dam
    Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
  • 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_69ca82e50ebc81909aa7b260c76bd757 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7dfa040c8190ab801b3910e39142 completed March 31, 2026, 7:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69cde772559c819080f411802bbcfef1 completed April 2, 2026, 3:50 a.m.
NEDg Description generation batch_69cdeb1fa7308190810b1fcc2184374a completed April 2, 2026, 4:05 a.m.
NED2 Entity disambiguation (via description) batch_69cdec3081d88190ad0699f9072d3fc7 completed April 2, 2026, 4:10 a.m.
Created at: March 30, 2026, 5:53 p.m.