Triple

T6402652
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Empire Builder E144098 entity
Predicate trackOwner P347 FINISHED
Object Canadian Pacific Kansas City Limited (CPKC) E30010 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: Canadian Pacific Kansas City Limited (CPKC) | Statement: [Amtrak Empire Builder, trackOwner, Canadian Pacific Kansas City Limited (CPKC)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Canadian Pacific Kansas City Limited (CPKC)
Context triple: [Amtrak Empire Builder, trackOwner, Canadian Pacific Kansas City Limited (CPKC)]
  • A. 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.
  • B. Canadian Pacific Kansas City Limited chosen
    Canadian Pacific Kansas City Limited is a major North American freight railway company formed by the merger of Canadian Pacific Railway and Kansas City Southern, operating an extensive rail network connecting Canada, the United States, and Mexico.
  • C. 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.
  • D. Grand Trunk Corporation
    Grand Trunk Corporation is a U.S.-based holding company that oversees Canadian National Railway’s rail operations and assets in the United States.
  • E. 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.
  • 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_69c008dc56fc81908d43ffcc11d73bdd completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c068ade8c881908a0472f1de6b7c21 completed March 22, 2026, 10:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69c64bb2df6881908161e1a91ea103e1 completed March 27, 2026, 9:19 a.m.
Created at: March 22, 2026, 4:35 p.m.