Triple

T3695868
Position Surface form Disambiguated ID Type / Status
Subject Columbia River hydropower system E78455 entity
Predicate includesFacility P12416 FINISHED
Object Revelstoke Dam
Revelstoke Dam is a major hydroelectric dam on the Columbia River in British Columbia, Canada, known for its significant power generation capacity and role in regional energy supply.
E380460 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: Revelstoke Dam | Statement: [Columbia River hydropower system, includesFacility, Revelstoke Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Revelstoke Dam
Context triple: [Columbia River hydropower system, includesFacility, Revelstoke Dam]
  • A. Stampede Dam
    Stampede Dam is a major earthfill dam in Nevada County, California, that creates Stampede Reservoir on the Little Truckee River for water storage, flood control, and wildlife habitat.
  • B. Muskrat Falls dam
    Muskrat Falls dam is a large hydroelectric generating station on the Churchill River in Labrador, Canada, built as part of the Lower Churchill Project.
  • C. O'Shaughnessy Dam
    O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
  • D. O’Sullivan Dam
    O’Sullivan Dam is a major earth-fill dam in central Washington State that forms Potholes Reservoir and plays a key role in irrigation and water management for the Columbia Basin Project.
  • E. Brownlee Dam
    Brownlee Dam is a major hydroelectric dam on the Snake River in the western United States, forming Brownlee Reservoir and playing a key role in regional power generation and water management.
  • 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: Revelstoke Dam
Triple: [Columbia River hydropower system, includesFacility, Revelstoke Dam]
Generated description
Revelstoke Dam is a major hydroelectric dam on the Columbia River in British Columbia, Canada, known for its significant power generation capacity and role in regional energy supply.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Revelstoke Dam
Target entity description: Revelstoke Dam is a major hydroelectric dam on the Columbia River in British Columbia, Canada, known for its significant power generation capacity and role in regional energy supply.
  • A. Stampede Dam
    Stampede Dam is a major earthfill dam in Nevada County, California, that creates Stampede Reservoir on the Little Truckee River for water storage, flood control, and wildlife habitat.
  • B. Muskrat Falls dam
    Muskrat Falls dam is a large hydroelectric generating station on the Churchill River in Labrador, Canada, built as part of the Lower Churchill Project.
  • C. O'Shaughnessy Dam
    O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
  • D. O’Sullivan Dam
    O’Sullivan Dam is a major earth-fill dam in central Washington State that forms Potholes Reservoir and plays a key role in irrigation and water management for the Columbia Basin Project.
  • E. Brownlee Dam
    Brownlee Dam is a major hydroelectric dam on the Snake River in the western United States, forming Brownlee Reservoir and playing a key role in regional power generation and water management.
  • 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_69ad85e3b1888190abc983e06968696d completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc50f9ad88190a926042fa73d65dc completed March 8, 2026, 6:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4c3d4821081909ccd1b5789eb761e completed March 14, 2026, 2:11 a.m.
NEDg Description generation batch_69b4c512ea388190839fdcb3711f41a0 completed March 14, 2026, 2:16 a.m.
NED2 Entity disambiguation (via description) batch_69b4c5b4b5848190b799599b8d0a315a completed March 14, 2026, 2:19 a.m.
Created at: March 8, 2026, 3:26 p.m.