Triple

T20179315
Position Surface form Disambiguated ID Type / Status
Subject Twin Cities Zephyr E492682 entity
Predicate competedWith P1375 FINISHED
Object Chicago and North Western Railway Chicago–Twin Cities 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: Chicago and North Western Railway Chicago–Twin Cities trains | Statement: [Twin Cities Zephyr, competedWith, Chicago and North Western Railway Chicago–Twin Cities trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago and North Western Railway Chicago–Twin Cities trains
Context triple: [Twin Cities Zephyr, competedWith, Chicago and North Western Railway Chicago–Twin Cities trains]
  • A. Chicago and North Western Railway commuter network
    The Chicago and North Western Railway commuter network was a suburban passenger rail system serving the Chicago metropolitan area, operating multiple lines that connected downtown Chicago with its outlying communities.
  • B. Chicago, St. Paul, Minneapolis and Omaha Railway
    The Chicago, St. Paul, Minneapolis and Omaha Railway was a Midwestern U.S. railroad system that operated extensive regional passenger and freight services, particularly across Wisconsin, Minnesota, and surrounding states.
  • C. Chicago and North Western Railway Company
    The Chicago and North Western Railway Company was a major Midwestern American railroad that operated an extensive network of lines connecting Chicago with the upper Midwest and Great Plains from the 19th through the 20th century.
  • D. Minneapolis and St. Louis Railway
    The Minneapolis and St. Louis Railway was a regional railroad in the Midwestern United States that primarily served agricultural areas by connecting smaller communities to major rail hubs.
  • E. Chicago and Illinois Midland Railway
    The Chicago and Illinois Midland Railway was a regional railroad in Illinois primarily known for hauling coal and serving industrial customers in the central part of the state.
  • 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: Chicago and North Western Railway Chicago–Twin Cities trains
Target entity description: Chicago and North Western Railway Chicago–Twin Cities trains were a group of passenger rail services that connected Chicago with Minneapolis–Saint Paul, providing a key intercity transportation link in the Upper Midwest during the heyday of American rail travel.
  • A. Chicago and North Western Railway commuter network
    The Chicago and North Western Railway commuter network was a suburban passenger rail system serving the Chicago metropolitan area, operating multiple lines that connected downtown Chicago with its outlying communities.
  • B. Chicago, St. Paul, Minneapolis and Omaha Railway
    The Chicago, St. Paul, Minneapolis and Omaha Railway was a Midwestern U.S. railroad system that operated extensive regional passenger and freight services, particularly across Wisconsin, Minnesota, and surrounding states.
  • C. Chicago and North Western Railway Company
    The Chicago and North Western Railway Company was a major Midwestern American railroad that operated an extensive network of lines connecting Chicago with the upper Midwest and Great Plains from the 19th through the 20th century.
  • D. Minneapolis and St. Louis Railway
    The Minneapolis and St. Louis Railway was a regional railroad in the Midwestern United States that primarily served agricultural areas by connecting smaller communities to major rail hubs.
  • E. Chicago and Illinois Midland Railway
    The Chicago and Illinois Midland Railway was a regional railroad in Illinois primarily known for hauling coal and serving industrial customers in the central part of the state.
  • 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_69da6268a034819081cbd9ea5a1c9475 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e668edf27881909820f9103e72533e completed April 20, 2026, 5:57 p.m.
Created at: April 11, 2026, 11:36 p.m.