Triple

T8849850
Position Surface form Disambiguated ID Type / Status
Subject Pepacton Reservoir E210609 entity
Predicate createdBy P806 FINISHED
Object Downsville Dam
Downsville Dam is a large earthen embankment dam on the East Branch of the Delaware River in New York, built as part of New York City's water supply system.
E808158 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: Downsville Dam | Statement: [Pepacton Reservoir, createdBy, Downsville Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Downsville Dam
Context triple: [Pepacton Reservoir, createdBy, Downsville Dam]
  • A. Chatfield Dam
    Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
  • B. Waddell Dam
    Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
  • C. Forestville Dam
    Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
  • D. Milner Dam
    Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
  • E. Gillespie Dam
    Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
  • 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: Downsville Dam
Triple: [Pepacton Reservoir, createdBy, Downsville Dam]
Generated description
Downsville Dam is a large earthen embankment dam on the East Branch of the Delaware River in New York, built as part of New York City's water supply system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Downsville Dam
Target entity description: Downsville Dam is a large earthen embankment dam on the East Branch of the Delaware River in New York, built as part of New York City's water supply system.
  • A. Chatfield Dam
    Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
  • B. Waddell Dam
    Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
  • C. Forestville Dam
    Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
  • D. Milner Dam
    Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
  • E. Gillespie Dam
    Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
  • 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_69d16101372c8190bbd0bd3c2389298d completed April 4, 2026, 7:05 p.m.
NEDg Description generation batch_69d16256e0d88190833885de5df09623 completed April 4, 2026, 7:11 p.m.
NED2 Entity disambiguation (via description) batch_69d162ee97d0819089bf051e9b03fa73 completed April 4, 2026, 7:13 p.m.
Created at: March 30, 2026, 6:49 p.m.