Triple

T1584747
Position Surface form Disambiguated ID Type / Status
Subject Churchill River E34038 entity
Predicate watercourseHasDam P32893 FINISHED
Object 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.
E180461 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: Muskrat Falls dam | Statement: [Churchill River, watercourseHasDam, Muskrat Falls dam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Muskrat Falls dam
Context triple: [Churchill River, watercourseHasDam, Muskrat Falls 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. 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.
  • C. Trent Falls
    Trent Falls is the tidal confluence where the River Trent meets the River Ouse to form the Humber Estuary in eastern England.
  • D. Denison Dam
    Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
  • E. Croton Falls Dam
    Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
  • 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: Muskrat Falls dam
Triple: [Churchill River, watercourseHasDam, Muskrat Falls dam]
Generated description
Muskrat Falls dam is a large hydroelectric generating station on the Churchill River in Labrador, Canada, built as part of the Lower Churchill Project.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Muskrat Falls dam
Target entity description: Muskrat Falls dam is a large hydroelectric generating station on the Churchill River in Labrador, Canada, built as part of the Lower Churchill Project.
  • 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. 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.
  • C. Trent Falls
    Trent Falls is the tidal confluence where the River Trent meets the River Ouse to form the Humber Estuary in eastern England.
  • D. Denison Dam
    Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
  • E. Croton Falls Dam
    Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
  • 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_69a885fceb2c8190b47e0f7c0aefbff0 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69abaffad4748190995fec39bc8d7a1f completed March 7, 2026, 4:56 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad4698cde88190a113cb7cebc3df1e completed March 8, 2026, 9:51 a.m.
NEDg Description generation batch_69ad47189b388190acd217b2ba37533b completed March 8, 2026, 9:53 a.m.
NED2 Entity disambiguation (via description) batch_69ad47ffc5088190aeba84f6d92ff86f completed March 8, 2026, 9:57 a.m.
Created at: March 4, 2026, 7:27 p.m.