Triple

T6948620
Position Surface form Disambiguated ID Type / Status
Subject Canadian National Railway E160862 entity
Predicate hasSubsidiary P254 FINISHED
Object Grand Trunk Corporation E168254 NE FINISHED

How this triple was built (2 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: Grand Trunk Corporation | Statement: [Canadian National Railway, hasSubsidiary, Grand Trunk Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grand Trunk Corporation
Context triple: [Canadian National Railway, hasSubsidiary, Grand Trunk Corporation]
  • A. Grand Trunk Corporation chosen
    Grand Trunk Corporation is a U.S.-based holding company that oversees Canadian National Railway’s rail operations and assets in the United States.
  • B. Canadian Pacific Railway
    Canadian Pacific Railway is a historic Canadian transcontinental railway company that played a central role in the country’s development and later expanded into a major transportation and hospitality conglomerate.
  • C. Grand Trunk Pacific Railway
    The Grand Trunk Pacific Railway was an early 20th-century Canadian transcontinental railway that played a key role in opening Western Canada to settlement and trade before its assets were absorbed into the national rail system.
  • D. Grand Trunk Railway
    The Grand Trunk Railway was a major 19th- and early 20th-century Canadian railway system that played a key role in linking central Canada with the Atlantic coast and the United States before being absorbed into the Canadian National Railway.
  • E. Canadian National Railway
    Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69c68850419081909fb426b8f5a304c7 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6daad028c8190a6db5b2d029d4dfc completed March 27, 2026, 7:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c75874ffcc81908f31ff03e13cb5b0 completed March 28, 2026, 4:26 a.m.
Created at: March 27, 2026, 2:28 p.m.