Triple

T5013885
Position Surface form Disambiguated ID Type / Status
Subject Peace River E112692 entity
Predicate hasDam P8736 FINISHED
Object 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.
 E487410 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: W. A. C. Bennett Dam | Statement: [Peace River, hasDam, W. A. C. Bennett Dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: W. A. C. Bennett Dam
Context triple: [Peace River, hasDam, W. A. C. Bennett Dam]
  • A. 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.
  • 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. 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.
  • D. Tulloch Dam
    Tulloch Dam is a concrete gravity dam on the Stanislaus River in California that forms Tulloch Reservoir for irrigation, hydroelectric power generation, and recreation.
  • E. Pine Portage Dam
    Pine Portage Dam is a hydroelectric generating station on Ontario’s Nipigon River that forms part of the region’s power supply infrastructure.
  • 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: W. A. C. Bennett Dam
Triple: [Peace River, hasDam, W. A. C. Bennett Dam]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: W. A. C. Bennett Dam
Target entity description: 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.
  • A. 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.
  • 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. 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.
  • D. Tulloch Dam
    Tulloch Dam is a concrete gravity dam on the Stanislaus River in California that forms Tulloch Reservoir for irrigation, hydroelectric power generation, and recreation.
  • E. Pine Portage Dam
    Pine Portage Dam is a hydroelectric generating station on Ontario’s Nipigon River that forms part of the region’s power supply infrastructure.
  • 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_69bd4434acb8819086679dbeccc2fe54 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd7310c5b08190a5c9ab0f9fe9569f completed March 20, 2026, 4:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69be9271eccc8190bbe9bdb876b41cb8 completed March 21, 2026, 12:43 p.m.
NEDg Description generation batch_69be9653457c819082c4e4436a940f92 completed March 21, 2026, 1 p.m.
NED2 Entity disambiguation (via description) batch_69be96b861d08190b64145f30b3420b5 completed March 21, 2026, 1:01 p.m.
Created at: March 20, 2026, 1:35 p.m.