Triple

T818536
Position Surface form Disambiguated ID Type / Status
Subject Orange Line (CTA) E17700 entity
Predicate hasStation P35 FINISHED
Object 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.
 E110751 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 (CTA Orange Line) | Statement: [Orange Line (CTA), hasStation, Pulaski station (CTA Orange Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pulaski station (CTA Orange Line)
Context triple: [Orange Line (CTA), hasStation, Pulaski station (CTA Orange Line)]
  • A. 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.
  • B. Oak Park station (Blue Line)
    Oak Park station (Blue Line) is an elevated Chicago Transit Authority rapid transit stop in Oak Park, Illinois, serving the Forest Park branch of the Blue Line.
  • C. Midway station (CTA)
    Midway station (CTA) is the Chicago Transit Authority rapid transit terminal serving Midway International Airport on the Orange Line.
  • D. Illinois Medical District station
    Illinois Medical District station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the Illinois Medical District and nearby West Side institutions.
  • E. Metra Rock Island District 35th Street station
    Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
  • 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 (CTA Orange Line)
Triple: [Orange Line (CTA), hasStation, Pulaski station (CTA Orange Line)]
Generated description
Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pulaski station (CTA Orange Line)
Target entity description: Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
  • A. 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.
  • B. Oak Park station (Blue Line)
    Oak Park station (Blue Line) is an elevated Chicago Transit Authority rapid transit stop in Oak Park, Illinois, serving the Forest Park branch of the Blue Line.
  • C. Midway station (CTA)
    Midway station (CTA) is the Chicago Transit Authority rapid transit terminal serving Midway International Airport on the Orange Line.
  • D. Illinois Medical District station
    Illinois Medical District station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the Illinois Medical District and nearby West Side institutions.
  • E. Metra Rock Island District 35th Street station
    Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
  • 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_69a4937bcaac8190a322524ac6f45a5a completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4ab63f4a48190a61a14c3c41ed641 completed March 1, 2026, 9:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69a826cc938481909e420185871a5d27 completed March 4, 2026, 12:34 p.m.
NEDg Description generation batch_69a83374e5b48190bdacbaa712122fb5 completed March 4, 2026, 1:28 p.m.
NED2 Entity disambiguation (via description) batch_69a833d4832481909d4abf774781c63e completed March 4, 2026, 1:29 p.m.
Created at: March 1, 2026, 7:38 p.m.