Triple

T22062942
Position Surface form Disambiguated ID Type / Status
Subject Hi-Line Subdivision E545196 entity
Predicate partOfCorridor P840 FINISHED
Object Chicago–Pacific Northwest rail corridor — 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: Chicago–Pacific Northwest rail corridor | Statement: [Hi-Line Subdivision, partOfCorridor, Chicago–Pacific Northwest rail corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago–Pacific Northwest rail corridor
Context triple: [Hi-Line Subdivision, partOfCorridor, Chicago–Pacific Northwest rail corridor]
  • A. Chicago–Pacific Northwest rail corridor chosen
    The Chicago–Pacific Northwest rail corridor is a major freight and passenger rail route linking the Chicago rail hub with ports and cities in the Pacific Northwest across the northern United States.
  • B. Chicago–St. Louis rail corridor
    The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
  • C. Chicago–Detroit rail corridor
    The Chicago–Detroit rail corridor is a major Midwestern passenger rail route linking Chicago, Illinois to Detroit, Michigan, serving as a key component of intercity transportation between these metropolitan areas.
  • D. Chicago and North Western Railway corridor
    The Chicago and North Western Railway corridor is a former Midwestern railroad route whose abandoned right-of-way has been repurposed in places, such as in Iowa, for recreational trails and other community uses.
  • E. Chicago–San Antonio rail corridor
    The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
  • 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_69e11e3377c48190890c17407b9527d6 completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f1285e8c688190b701e417893cc148 completed April 28, 2026, 9:36 p.m.
Created at: April 16, 2026, 8:27 p.m.