Triple

T20960692
Position Surface form Disambiguated ID Type / Status
Subject Algoma Central Railway E516234 entity
Predicate formerOwner P347 FINISHED
Object Algoma Central Corporation 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: Algoma Central Corporation | Statement: [Algoma Central Railway, formerOwner, Algoma Central Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Algoma Central Corporation
Context triple: [Algoma Central Railway, formerOwner, Algoma Central Corporation]
  • A. Sun Company of Canada
    Sun Company of Canada was a major Canadian integrated oil and gas company that later became known as Suncor Energy.
  • B. Owen Sound Transportation Company
    Owen Sound Transportation Company is a Canadian ferry operator that provides passenger and vehicle transportation services on routes in the Great Lakes region of Ontario.
  • C. Power Corporation of Canada
    Power Corporation of Canada is a major Canadian diversified international management and holding company with significant interests in financial services, asset management, and renewable energy.
  • D. Algoma Central Railway
    Algoma Central Railway is a Canadian regional railway in Northern Ontario known for its freight operations and scenic passenger services through the wilderness north of Sault Ste. Marie.
  • E. Canadian Car and Foundry
    Canadian Car and Foundry was a major Canadian manufacturer of railway rolling stock, aircraft, and other transportation equipment active primarily in the 20th century.
  • 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: Algoma Central Corporation
Target entity description: Algoma Central Corporation is a Canadian transportation and shipping company best known for its Great Lakes dry-bulk fleet and former ownership of the Algoma Central Railway.
  • A. Sun Company of Canada
    Sun Company of Canada was a major Canadian integrated oil and gas company that later became known as Suncor Energy.
  • B. Owen Sound Transportation Company
    Owen Sound Transportation Company is a Canadian ferry operator that provides passenger and vehicle transportation services on routes in the Great Lakes region of Ontario.
  • C. Power Corporation of Canada
    Power Corporation of Canada is a major Canadian diversified international management and holding company with significant interests in financial services, asset management, and renewable energy.
  • D. Algoma Central Railway chosen
    Algoma Central Railway is a Canadian regional railway in Northern Ontario known for its freight operations and scenic passenger services through the wilderness north of Sault Ste. Marie.
  • E. Canadian Car and Foundry
    Canadian Car and Foundry was a major Canadian manufacturer of railway rolling stock, aircraft, and other transportation equipment active primarily in the 20th century.
  • F. None of above.

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_69e0b4fde6c48190af1398e7e734629e completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6fb6f134081908b1ed48ce708f3d5 completed April 21, 2026, 4:22 a.m.
Created at: April 16, 2026, 1:31 p.m.