Triple

T17648078
Position Surface form Disambiguated ID Type / Status
Subject Lethbridge Viaduct E429412 entity
Predicate partOf P40 FINISHED
Object Canadian Pacific Railway main line in southern Alberta NE NERFINISHED

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 Railway main line in southern Alberta | Statement: [Lethbridge Viaduct, partOf, Canadian Pacific Railway main line in southern Alberta]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Canadian Pacific Railway main line in southern Alberta
Context triple: [Lethbridge Viaduct, partOf, Canadian Pacific Railway main line in southern Alberta]
  • A. Canadian Pacific Railway mainline chosen
    The Canadian Pacific Railway mainline is a major transcontinental rail corridor that forms a key freight and passenger transportation route across Canada, including through Northern Ontario.
  • B. Canadian National Railway main line
    The Canadian National Railway main line is a major transcontinental rail corridor in Canada that carries significant freight and passenger traffic across key regions of the country.
  • C. Calgary–Edmonton Corridor
    The Calgary–Edmonton Corridor is a major urban and economic region in Alberta, Canada, stretching between the cities of Calgary and Edmonton and encompassing several growing communities along its route.
  • D. Grand Trunk Western Railroad line
    The Grand Trunk Western Railroad line was a major regional rail route in the Midwestern United States, historically operated by the Grand Trunk Western Railroad as part of its freight and passenger network.
  • E. CPKC Galt Subdivision
    The CPKC Galt Subdivision is a major Canadian Pacific Kansas City freight rail corridor in Southern Ontario that also carries GO Transit's Milton line commuter trains.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69d889e2c2608190b762e76d9b2262f1 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e46e3a5ad8819085d4bef669fc3152 completed April 19, 2026, 5:55 a.m.
Created at: April 10, 2026, 6:05 a.m.