Triple

T17725859
Position Surface form Disambiguated ID Type / Status
Subject Chicago Transit Authority Green Line stations E442458 entity
Predicate hasStation P35 FINISHED
Object Indiana station (CTA Green Line) — 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: Indiana station (CTA Green Line) | Statement: [Chicago Transit Authority Green Line stations, hasStation, Indiana station (CTA Green Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Indiana station (CTA Green Line)
Context triple: [Chicago Transit Authority Green Line stations, hasStation, Indiana station (CTA Green Line)]
  • A. Addison (Brown Line) station
    Addison (Brown Line) station is an elevated Chicago 'L' rapid transit stop serving the Brown Line on the city's North Side.
  • B. Pulaski station (CTA Green Line)
    Pulaski station (CTA Green Line) is an elevated Chicago 'L' rapid transit stop serving the West Garfield Park neighborhood on the city's West Side.
  • C. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • D. Addison station (CTA Blue Line)
    Addison station (CTA Blue Line) is an elevated Chicago Transit Authority rapid transit stop on the Blue Line serving the Avondale neighborhood on the city’s Northwest Side.
  • E. Howard station (CTA Red Line)
    Howard station (CTA Red Line) is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as an interchange between the Red, Purple, and Yellow Lines.
  • 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: Indiana station (CTA Green Line)
Target entity description: Indiana station is an elevated Chicago Transit Authority rapid transit stop on the South Side, serving the Green Line.
  • A. Addison (Brown Line) station
    Addison (Brown Line) station is an elevated Chicago 'L' rapid transit stop serving the Brown Line on the city's North Side.
  • B. Pulaski station (CTA Green Line)
    Pulaski station (CTA Green Line) is an elevated Chicago 'L' rapid transit stop serving the West Garfield Park neighborhood on the city's West Side.
  • C. Addison station (CTA Red Line)
    Addison station (CTA Red Line) is a Chicago 'L' rapid transit stop on the Red Line located in the Lakeview neighborhood, best known for serving fans attending games and events at nearby Wrigley Field.
  • D. Addison station (CTA Blue Line)
    Addison station (CTA Blue Line) is an elevated Chicago Transit Authority rapid transit stop on the Blue Line serving the Avondale neighborhood on the city’s Northwest Side.
  • E. Howard station (CTA Red Line)
    Howard station (CTA Red Line) is a major Chicago Transit Authority rail terminal on the city’s North Side that serves as an interchange between the Red, Purple, and Yellow Lines.
  • 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_69d8b9ec79688190b86bdcef85a7b3aa completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e47489c59c8190bbffefad20dc6346 completed April 19, 2026, 6:22 a.m.
Created at: April 10, 2026, 10:07 a.m.