Triple

T9482313
Position Surface form Disambiguated ID Type / Status
Subject Winnipeg River E228672 entity
Predicate hasHydroelectricDam P15311 FINISHED
Object McArthur Falls Generating Station
McArthur Falls Generating Station is a hydroelectric power plant on the Winnipeg River in Manitoba, Canada, that generates electricity by harnessing the river’s flow.
 E804277 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: McArthur Falls Generating Station | Statement: [Winnipeg River, hasHydroelectricDam, McArthur Falls Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: McArthur Falls Generating Station
Context triple: [Winnipeg River, hasHydroelectricDam, McArthur Falls Generating Station]
  • A. Monroe Power Plant
    Monroe Power Plant is a large coal-fired power generating station located on the western shore of Lake Erie in Monroe County, Michigan.
  • B. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • C. Beaumont Generating Station
    Beaumont Generating Station is a hydroelectric power plant located on the Saint-Maurice River in Quebec, Canada, contributing to the region’s renewable electricity generation.
  • D. Limestone Generating Station
    Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
  • E. La Gabelle Generating Station
    La Gabelle Generating Station is a hydroelectric power plant in Quebec, Canada, operated by Hydro-Québec and known for harnessing the flow of the Saint-Maurice River to produce electricity.
  • 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: McArthur Falls Generating Station
Triple: [Winnipeg River, hasHydroelectricDam, McArthur Falls Generating Station]
Generated description
McArthur Falls Generating Station is a hydroelectric power plant on the Winnipeg River in Manitoba, Canada, that generates electricity by harnessing the river’s flow.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: McArthur Falls Generating Station
Target entity description: McArthur Falls Generating Station is a hydroelectric power plant on the Winnipeg River in Manitoba, Canada, that generates electricity by harnessing the river’s flow.
  • A. Monroe Power Plant
    Monroe Power Plant is a large coal-fired power generating station located on the western shore of Lake Erie in Monroe County, Michigan.
  • B. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • C. Beaumont Generating Station
    Beaumont Generating Station is a hydroelectric power plant located on the Saint-Maurice River in Quebec, Canada, contributing to the region’s renewable electricity generation.
  • D. Limestone Generating Station
    Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
  • E. La Gabelle Generating Station
    La Gabelle Generating Station is a hydroelectric power plant in Quebec, Canada, operated by Hydro-Québec and known for harnessing the flow of the Saint-Maurice River to produce electricity.
  • 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_69ca84730a5081908de282651019bf2f completed March 30, 2026, 2:10 p.m.
NER Named-entity recognition batch_69cd804af6d08190a281cb27407c791c completed April 1, 2026, 8:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69d139f7fa90819092e3fbcc62a9e5b9 completed April 4, 2026, 4:19 p.m.
NEDg Description generation batch_69d13c1a73c88190a4308c3246864a5f completed April 4, 2026, 4:28 p.m.
NED2 Entity disambiguation (via description) batch_69d13c8b5d688190871f6830d0bda3ef completed April 4, 2026, 4:30 p.m.
Created at: March 30, 2026, 7:55 p.m.