Triple

T22722027
Position Surface form Disambiguated ID Type / Status
Subject Meteor (Frisco train) E561886 entity
Predicate route P5619 FINISHED
Object St. Louis–Springfield–Tulsa–Oklahoma City corridor — NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: St. Louis–Springfield–Tulsa–Oklahoma City corridor | Statement: [Meteor (Frisco train), route, St. Louis–Springfield–Tulsa–Oklahoma City corridor]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: St. Louis–Springfield–Tulsa–Oklahoma City corridor
Context triple: [Meteor (Frisco train), route, St. Louis–Springfield–Tulsa–Oklahoma City corridor]
  • A. Chicago–Memphis corridor
    The Chicago–Memphis corridor is a major north–south transportation route in the central United States linking the Chicago metropolitan area with Memphis through a network of interstate highways.
  • B. Kansas City–Gulf Coast corridor
    The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
  • C. Omaha–Lincoln corridor
    The Omaha–Lincoln corridor is a heavily traveled urban and economic region in eastern Nebraska linking the state’s two largest cities, Omaha and Lincoln, along the Interstate 80 corridor.
  • D. Chicago–St. Louis corridor
    The Chicago–St. Louis corridor is a major Midwestern passenger rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key segment of Amtrak’s intercity service.
  • E. Minneapolis–Bloomington corridor
    The Minneapolis–Bloomington corridor is a major urban transit and development axis in Minnesota linking downtown Minneapolis with the city of Bloomington and key destinations such as the Mall of America.
  • 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: St. Louis–Springfield–Tulsa–Oklahoma City corridor
Target entity description: The St. Louis–Springfield–Tulsa–Oklahoma City corridor is a major Midwestern–Southern U.S. transportation axis linking Missouri and Oklahoma through a chain of regional urban centers.
  • A. Chicago–Memphis corridor
    The Chicago–Memphis corridor is a major north–south transportation route in the central United States linking the Chicago metropolitan area with Memphis through a network of interstate highways.
  • B. Kansas City–Gulf Coast corridor
    The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
  • C. Omaha–Lincoln corridor
    The Omaha–Lincoln corridor is a heavily traveled urban and economic region in eastern Nebraska linking the state’s two largest cities, Omaha and Lincoln, along the Interstate 80 corridor.
  • D. Chicago–St. Louis corridor
    The Chicago–St. Louis corridor is a major Midwestern passenger rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key segment of Amtrak’s intercity service.
  • E. Minneapolis–Bloomington corridor
    The Minneapolis–Bloomington corridor is a major urban transit and development axis in Minnesota linking downtown Minneapolis with the city of Bloomington and key destinations such as the Mall of America.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e2454fc984819088213b58ee87a002 elicitation completed
NER batch_69f17926ae0c8190af8493cab6b15261 ner completed
Created at: April 17, 2026, 3:20 p.m.