Triple

T19181547
Position Surface form Disambiguated ID Type / Status
Subject Pulaski Road E469584 entity
Predicate hasCTAStation P39430 FINISHED
Object Pulaski station (Blue 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: Pulaski station (Blue Line) | Statement: [Pulaski Road, hasCTAStation, Pulaski station (Blue Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pulaski station (Blue Line)
Context triple: [Pulaski Road, hasCTAStation, Pulaski station (Blue Line)]
  • A. Pulaski station (Green Line)
    Pulaski station (Green Line) is an elevated Chicago 'L' rapid transit station on the CTA's Green Line located in the city's West Garfield Park neighborhood.
  • 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. Cicero station (Blue Line)
    Cicero station (Blue Line) is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city’s West Side.
  • D. Monroe station (Blue Line)
    Monroe station (Blue Line) is an underground Chicago 'L' rapid transit station in the Loop, serving the Blue Line along Dearborn Street.
  • E. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • 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: Pulaski station (Blue Line)
Target entity description: Pulaski station (Blue Line) is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city’s West Side.
  • A. Pulaski station (Green Line)
    Pulaski station (Green Line) is an elevated Chicago 'L' rapid transit station on the CTA's Green Line located in the city's West Garfield Park neighborhood.
  • 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. Cicero station (Blue Line)
    Cicero station (Blue Line) is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city’s West Side.
  • D. Monroe station (Blue Line)
    Monroe station (Blue Line) is an underground Chicago 'L' rapid transit station in the Loop, serving the Blue Line along Dearborn Street.
  • E. Pulaski station (CTA Orange Line)
    Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • 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_69d8dd09d5a081909ae43c286651ae5a completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5f61cab348190965e96ac0f701f9f completed April 20, 2026, 9:47 a.m.
Created at: April 10, 2026, 12:07 p.m.