Triple

T12924690
Position Surface form Disambiguated ID Type / Status
Subject Lewiston Pump-Generating Plant E309212 entity
Predicate isPartOfSystemWith P840 FINISHED
Object Niagara River hydroelectric system E325249 NE FINISHED

How this triple was built (2 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 River hydroelectric system | Statement: [Lewiston Pump-Generating Plant, isPartOfSystemWith, Niagara River hydroelectric system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Niagara River hydroelectric system
Context triple: [Lewiston Pump-Generating Plant, isPartOfSystemWith, Niagara River hydroelectric system]
  • A. Niagara River hydropower system chosen
    The Niagara River hydropower system is a large binational network of dams, tunnels, and generating stations on the Niagara River that harnesses the river’s flow and Niagara Falls to produce significant hydroelectric power for Canada and the United States.
  • B. Niagara District
    The Niagara District was a historical administrative region in Upper Canada that encompassed the town of Newark (now Niagara-on-the-Lake) and surrounding areas along the Niagara River.
  • C. St. Lawrence–FDR Power Project
    The St. Lawrence–FDR Power Project is a major hydroelectric generating facility on the St. Lawrence River that supplies renewable power to New York State and neighboring regions.
  • D. Ontario hydroelectric system
    The Ontario hydroelectric system is a network of dams, generating stations, and related infrastructure that harnesses the province’s rivers and waterways to produce renewable electricity.
  • E. Ottawa River hydropower system
    The Ottawa River hydropower system is an interconnected network of dams and generating stations along the Ottawa River that produces hydroelectric power for surrounding regions in Canada.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d7bdfa933c8190b5a27aa4a08a19b7 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d971e9576c81908eb59569af6da877 completed April 10, 2026, 9:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6b8d39d4c81908fab65129f292862 completed May 3, 2026, 2:54 a.m.
Created at: April 9, 2026, 5:42 p.m.