Triple

T8865791
Position Surface form Disambiguated ID Type / Status
Subject Nechako River E211014 entity
Predicate waterDiversionDestination P77322 FINISHED
Object Kemano hydroelectric project
The Kemano hydroelectric project is a large-scale power generation facility in British Columbia, Canada, built primarily to supply electricity to the Alcan aluminum smelter in Kitimat by harnessing diverted river flows through extensive tunnels and dams.
E762985 NE FINISHED

How this triple was built (5 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: Kemano hydroelectric project | Statement: [Nechako River, waterDiversionDestination, Kemano hydroelectric project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kemano hydroelectric project
Context triple: [Nechako River, waterDiversionDestination, Kemano hydroelectric project]
  • A. Cushman Hydroelectric Project
    The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
  • B. Hydro-Québec James Bay Project
    The Hydro-Québec James Bay Project is a massive hydroelectric development in northern Quebec comprising a complex of dams, reservoirs, and power stations that harness the region’s large rivers to generate electricity.
  • C. Susitna-Watana Hydroelectric Project
    The Susitna-Watana Hydroelectric Project is a proposed large-scale dam and hydroelectric power development in Alaska intended to generate substantial renewable electricity and support the state’s long-term energy needs.
  • D. Uri Hydroelectric Project
    The Uri Hydroelectric Project is a major run-of-the-river power generation scheme on the Jhelum River in Jammu and Kashmir, India, developed to harness hydroelectric energy in the Himalayan region.
  • E. W. A. C. Bennett Dam
    The W. A. C. Bennett Dam is a major hydroelectric dam in northern British Columbia, Canada, forming Williston Lake and serving as one of BC Hydro’s largest power-generating facilities.
  • 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: Kemano hydroelectric project
Triple: [Nechako River, waterDiversionDestination, Kemano hydroelectric project]
Generated description
The Kemano hydroelectric project is a large-scale power generation facility in British Columbia, Canada, built primarily to supply electricity to the Alcan aluminum smelter in Kitimat by harnessing diverted river flows through extensive tunnels and dams.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kemano hydroelectric project
Target entity description: The Kemano hydroelectric project is a large-scale power generation facility in British Columbia, Canada, built primarily to supply electricity to the Alcan aluminum smelter in Kitimat by harnessing diverted river flows through extensive tunnels and dams.
  • A. Cushman Hydroelectric Project
    The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
  • B. Hydro-Québec James Bay Project
    The Hydro-Québec James Bay Project is a massive hydroelectric development in northern Quebec comprising a complex of dams, reservoirs, and power stations that harness the region’s large rivers to generate electricity.
  • C. Susitna-Watana Hydroelectric Project
    The Susitna-Watana Hydroelectric Project is a proposed large-scale dam and hydroelectric power development in Alaska intended to generate substantial renewable electricity and support the state’s long-term energy needs.
  • D. Uri Hydroelectric Project
    The Uri Hydroelectric Project is a major run-of-the-river power generation scheme on the Jhelum River in Jammu and Kashmir, India, developed to harness hydroelectric energy in the Himalayan region.
  • E. W. A. C. Bennett Dam
    The W. A. C. Bennett Dam is a major hydroelectric dam in northern British Columbia, Canada, forming Williston Lake and serving as one of BC Hydro’s largest power-generating facilities.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: waterDiversionDestination
Context triple: [Nechako River, waterDiversionDestination, Kemano hydroelectric project]
  • A. waterDivertedFrom
    Indicates that water is intentionally redirected or channeled away from one source, path, or location to another.
  • B. riverDivertedTo chosen
    Indicates that the natural course of a river has been intentionally redirected from its original path to a new channel or destination.
  • C. riverbedDivertedTo
    Indicates that the natural course of a riverbed has been redirected or channeled toward another location or pathway.
  • D. watercourseHasDam
    Indicates that a watercourse (such as a river or stream) has a dam constructed on or across it.
  • E. isTributaryDamOf
    Indicates that a dam is constructed on and regulates the flow of a tributary river or stream relative to a main watercourse.
  • F. None of above.

Provenance (6 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_69ca838d3c7c8190a849566d5afd2b11 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc6106d41081909db710bda8aaf6fd completed April 1, 2026, 12:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfa0d311148190823cc047e2908bc0 completed April 3, 2026, 11:13 a.m.
NEDg Description generation batch_69cfa1721f4c819097603adb9a0d38ef completed April 3, 2026, 11:16 a.m.
NED2 Entity disambiguation (via description) batch_69cfa26ab1b881909e42a435f4e3333c completed April 3, 2026, 11:20 a.m.
PD Predicate disambiguation batch_69cc5c279ea481908c71756f694b66bf completed March 31, 2026, 11:43 p.m.
Created at: March 30, 2026, 6:51 p.m.