Triple

T17822915
Position Surface form Disambiguated ID Type / Status
Subject Hoosier State E445033 entity
Predicate railwayLineUsed P848 FINISHED
Object CSX Transportation trackage between Chicago and Indianapolis 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: CSX Transportation trackage between Chicago and Indianapolis | Statement: [Hoosier State, railwayLineUsed, CSX Transportation trackage between Chicago and Indianapolis]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CSX Transportation trackage between Chicago and Indianapolis
Context triple: [Hoosier State, railwayLineUsed, CSX Transportation trackage between Chicago and Indianapolis]
  • A. Norfolk Southern trackage in Indiana and Illinois
    Norfolk Southern trackage in Indiana and Illinois is a segment of the freight railroad’s Midwestern rail network that also hosts intercity passenger services such as Amtrak’s Wolverine route.
  • B. Norfolk Southern Chicago Line
    The Norfolk Southern Chicago Line is a major freight rail corridor in the Midwestern United States, forming part of Norfolk Southern Railway’s primary east–west route through the Chicago area.
  • C. 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.
  • D. Indianapolis–Michigan City line
    The Indianapolis–Michigan City line was a key north–south route of the Monon Railroad in Indiana, connecting the state capital with the Lake Michigan region and serving both passenger and freight traffic.
  • E. Chicago–South Bend corridor
    The Chicago–South Bend corridor is a regional passenger rail route linking the Chicago metropolitan area with South Bend, Indiana, via intermediate communities in northern Indiana.
  • 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: CSX Transportation trackage between Chicago and Indianapolis
Target entity description: CSX Transportation trackage between Chicago and Indianapolis is a freight rail corridor in the Midwestern United States that also carries passenger services such as Amtrak’s Hoosier State.
  • A. Norfolk Southern trackage in Indiana and Illinois
    Norfolk Southern trackage in Indiana and Illinois is a segment of the freight railroad’s Midwestern rail network that also hosts intercity passenger services such as Amtrak’s Wolverine route.
  • B. Norfolk Southern Chicago Line
    The Norfolk Southern Chicago Line is a major freight rail corridor in the Midwestern United States, forming part of Norfolk Southern Railway’s primary east–west route through the Chicago area.
  • C. 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.
  • D. Indianapolis–Michigan City line
    The Indianapolis–Michigan City line was a key north–south route of the Monon Railroad in Indiana, connecting the state capital with the Lake Michigan region and serving both passenger and freight traffic.
  • E. Chicago–South Bend corridor
    The Chicago–South Bend corridor is a regional passenger rail route linking the Chicago metropolitan area with South Bend, Indiana, via intermediate communities in northern Indiana.
  • F. None of above. chosen

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_69d8b9f0de78819099395b14db75a8a6 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e4891282a081908d384d45bf444baf completed April 19, 2026, 7:49 a.m.
Created at: April 10, 2026, 10:15 a.m.