Triple

T23168698
Position Surface form Disambiguated ID Type / Status
Subject Churchill River hydroelectric system E578782 entity
Predicate startPoint P389 FINISHED
Object upper Churchill River — NE NERFINISHED

How this triple was built (3 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: upper Churchill River | Statement: [Churchill River hydroelectric system, startPoint, upper Churchill River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: upper Churchill River
Context triple: [Churchill River hydroelectric system, startPoint, upper Churchill River]
  • A. Lower Churchill River
    The Lower Churchill River is a major river in Labrador, Canada, known for its significant hydroelectric potential and large-scale power developments.
  • B. Peel River
    The Peel River is a major river in northern Canada that flows through the Yukon and Northwest Territories, contributing significantly to the Arctic watershed.
  • C. Peel River
    The Peel River is a major inland river in New South Wales, Australia, that flows through the New England and North West regions before joining the Namoi River within the Murray–Darling Basin.
  • D. Rivière Rupert
    Rivière Rupert is a major river in northern Quebec, Canada, known for its extensive watershed, historical importance to Indigenous communities and the fur trade, and large-scale hydroelectric developments.
  • E. Mississagi River
    The Mississagi River is a major river in northern Ontario, Canada, that flows through rugged forested terrain before emptying into Lake Huron.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: upper Churchill River
Target entity description: The upper Churchill River is a major section of the Churchill River in Labrador, Canada, known for hosting large-scale hydroelectric developments such as the Churchill Falls generating station.
  • A. Lower Churchill River
    The Lower Churchill River is a major river in Labrador, Canada, known for its significant hydroelectric potential and large-scale power developments.
  • B. Peel River
    The Peel River is a major river in northern Canada that flows through the Yukon and Northwest Territories, contributing significantly to the Arctic watershed.
  • C. Peel River
    The Peel River is a major inland river in New South Wales, Australia, that flows through the New England and North West regions before joining the Namoi River within the Murray–Darling Basin.
  • D. Rivière Rupert
    Rivière Rupert is a major river in northern Quebec, Canada, known for its extensive watershed, historical importance to Indigenous communities and the fur trade, and large-scale hydroelectric developments.
  • E. Mississagi River
    The Mississagi River is a major river in northern Ontario, Canada, that flows through rugged forested terrain before emptying into Lake Huron.
  • F. None of above. chosen

Provenance (2 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_69e245fc75348190a0288401044c8af8 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f18f2e5e208190839ec37de4b974af completed April 29, 2026, 4:55 a.m.
Created at: April 17, 2026, 4:03 p.m.