Triple

T775816
Position Surface form Disambiguated ID Type / Status
Subject Westinghouse Electric Corporation E16383 entity
Predicate notableWork P4 FINISHED
Object Niagara Falls AC power project
The Niagara Falls AC power project was a pioneering late-19th-century hydroelectric installation that demonstrated the practicality of long-distance alternating current transmission and helped establish AC as the dominant standard for electric power systems.
E92386 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: Niagara Falls AC power project | Statement: [Westinghouse Electric Corporation, notableWork, Niagara Falls AC power project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Niagara Falls AC power project
Context triple: [Westinghouse Electric Corporation, notableWork, Niagara Falls AC power project]
  • A. Robert Moses Niagara Power Plant
    The Robert Moses Niagara Power Plant is a major hydroelectric generating station in New York that harnesses the flow of the Niagara River to produce electricity.
  • B. Sir Adam Beck Hydroelectric Generating Stations
    The Sir Adam Beck Hydroelectric Generating Stations are a major complex of hydroelectric power plants on the Niagara River in Ontario, Canada, that harness the flow of Niagara Falls to generate electricity for the province.
  • C. 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.
  • D. Snowy Hydro Scheme
    The Snowy Hydro Scheme is a large-scale hydroelectricity and irrigation complex in Australia’s Snowy Mountains, renowned as one of the country’s most significant engineering projects.
  • E. New Croton Dam
    New Croton Dam is a large masonry gravity dam in New York that forms the New Croton Reservoir, a key component 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: Niagara Falls AC power project
Triple: [Westinghouse Electric Corporation, notableWork, Niagara Falls AC power project]
Generated description
The Niagara Falls AC power project was a pioneering late-19th-century hydroelectric installation that demonstrated the practicality of long-distance alternating current transmission and helped establish AC as the dominant standard for electric power systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Niagara Falls AC power project
Target entity description: The Niagara Falls AC power project was a pioneering late-19th-century hydroelectric installation that demonstrated the practicality of long-distance alternating current transmission and helped establish AC as the dominant standard for electric power systems.
  • A. Robert Moses Niagara Power Plant
    The Robert Moses Niagara Power Plant is a major hydroelectric generating station in New York that harnesses the flow of the Niagara River to produce electricity.
  • B. Sir Adam Beck Hydroelectric Generating Stations
    The Sir Adam Beck Hydroelectric Generating Stations are a major complex of hydroelectric power plants on the Niagara River in Ontario, Canada, that harness the flow of Niagara Falls to generate electricity for the province.
  • C. 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.
  • D. Snowy Hydro Scheme
    The Snowy Hydro Scheme is a large-scale hydroelectricity and irrigation complex in Australia’s Snowy Mountains, renowned as one of the country’s most significant engineering projects.
  • E. New Croton Dam
    New Croton Dam is a large masonry gravity dam in New York that forms the New Croton Reservoir, a key component 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_69a49369a0848190af883934cee3db4c completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a73236288190b82d66202f2f7399 completed March 1, 2026, 8:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69a66d9b8b308190b19378e797f499b1 completed March 3, 2026, 5:11 a.m.
NEDg Description generation batch_69a66f2fb9a081908de794b20b6451b6 completed March 3, 2026, 5:18 a.m.
NED2 Entity disambiguation (via description) batch_69a66fcc9208819082e7fd20f991622c completed March 3, 2026, 5:21 a.m.
Created at: March 1, 2026, 7:37 p.m.