Triple

T21628979
Position Surface form Disambiguated ID Type / Status
Subject Land O’Corn E533776 entity
Predicate category P87 FINISHED
Object Illinois Central Railroad passenger trains — 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: Illinois Central Railroad passenger trains | Statement: [Land O’Corn, category, Illinois Central Railroad passenger trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Illinois Central Railroad passenger trains
Context triple: [Land O’Corn, category, Illinois Central Railroad passenger trains]
  • A. Chicago, Burlington and Quincy Zephyr trains
    The Chicago, Burlington and Quincy Zephyr trains were pioneering streamlined passenger trains in the United States, famed for their stainless-steel construction, diesel power, and high-speed service that helped usher in the modern era of rail travel in the 1930s.
  • B. Chicago Burlington and Quincy Railroad passenger train
    The Chicago Burlington and Quincy Railroad passenger train was a streamlined, diesel-powered consist that exemplified mid-20th-century American intercity rail travel on the Burlington Route.
  • C. Illini (Amtrak)
    The Illini is an Amtrak passenger train service operating in Illinois, primarily connecting Chicago with Carbondale and serving intermediate communities along the route.
  • D. Illinois Central Railroad
    The Illinois Central Railroad was a major American rail carrier that played a pivotal role in connecting the Midwest to the Gulf of Mexico and fostering economic development along its north–south route.
  • E. Amtrak Illini
    Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
  • 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: Illinois Central Railroad passenger trains
Target entity description: Illinois Central Railroad passenger trains were named intercity services that connected major Midwestern cities, offering scheduled, comfortable rail travel primarily between Chicago and points in downstate Illinois and beyond.
  • A. Chicago, Burlington and Quincy Zephyr trains
    The Chicago, Burlington and Quincy Zephyr trains were pioneering streamlined passenger trains in the United States, famed for their stainless-steel construction, diesel power, and high-speed service that helped usher in the modern era of rail travel in the 1930s.
  • B. Chicago Burlington and Quincy Railroad passenger train
    The Chicago Burlington and Quincy Railroad passenger train was a streamlined, diesel-powered consist that exemplified mid-20th-century American intercity rail travel on the Burlington Route.
  • C. Illini (Amtrak)
    The Illini is an Amtrak passenger train service operating in Illinois, primarily connecting Chicago with Carbondale and serving intermediate communities along the route.
  • D. Illinois Central Railroad
    The Illinois Central Railroad was a major American rail carrier that played a pivotal role in connecting the Midwest to the Gulf of Mexico and fostering economic development along its north–south route.
  • E. Amtrak Illini
    Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
  • 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_69e0c464fba881908d0ff2ac80511ce1 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69ef5214e72c8190af109089f58fca4f completed April 27, 2026, 12:09 p.m.
Created at: April 16, 2026, 6:34 p.m.