Triple

T19181548
Position Surface form Disambiguated ID Type / Status
Subject Pulaski Road E469584 entity
Predicate hasCTAStation P39430 FINISHED
Object Pulaski station (Pink Line)
Pulaski station (Pink Line) is a Chicago Transit Authority rapid transit stop on the Pink Line serving the North Lawndale neighborhood on the city's West Side.
 E1366414 NE FINISHED

How this triple was built (4 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 (Pink Line) | Statement: [Pulaski Road, hasCTAStation, Pulaski station (Pink Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pulaski station (Pink Line)
Context triple: [Pulaski Road, hasCTAStation, Pulaski station (Pink Line)]
  • A. Pulaski station (Blue Line)
    Pulaski station (Blue Line) is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city’s West Side.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Belmont Red/Brown/Purple Line station
    Belmont Red/Brown/Purple Line station is a major Chicago 'L' rapid transit stop in the Lakeview neighborhood where three CTA lines intersect.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Pulaski station (Pink Line)
Triple: [Pulaski Road, hasCTAStation, Pulaski station (Pink Line)]
Generated description
Pulaski station (Pink Line) is a Chicago Transit Authority rapid transit stop on the Pink Line serving the North Lawndale neighborhood on the city's West Side.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pulaski station (Pink Line)
Target entity description: Pulaski station (Pink Line) is a Chicago Transit Authority rapid transit stop on the Pink Line serving the North Lawndale neighborhood on the city's West Side.
  • A. Pulaski station (Blue Line)
    Pulaski station (Blue Line) is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city’s West Side.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Belmont Red/Brown/Purple Line station
    Belmont Red/Brown/Purple Line station is a major Chicago 'L' rapid transit stop in the Lakeview neighborhood where three CTA lines intersect.
  • F. None of above. chosen

Provenance (5 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.
NED1 Entity disambiguation (via context triple) batch_6a0705c8c0588190bf8f66ed08030658 completed May 15, 2026, 11:38 a.m.
NEDg Description generation batch_6a0706d7c63c8190a7114937af40b294 completed May 15, 2026, 11:43 a.m.
NED2 Entity disambiguation (via description) batch_6a070763ca5c81908afa73b30645223a completed May 15, 2026, 11:45 a.m.
Created at: April 10, 2026, 12:07 p.m.