Triple

T885305
Position Surface form Disambiguated ID Type / Status
Subject Yellow Line (CTA) E19116 entity
Predicate hasStation P35 FINISHED
Object Oakton–Skokie station
Oakton–Skokie station is a Chicago Transit Authority rapid transit stop in Skokie, Illinois, serving as a local access point on the Yellow Line.
 E131815 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: Oakton–Skokie station | Statement: [Yellow Line (CTA), hasStation, Oakton–Skokie station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Oakton–Skokie station
Context triple: [Yellow Line (CTA), hasStation, Oakton–Skokie station]
  • A. Dempster–Skokie station
    Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
  • B. 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.
  • C. Cermak–McCormick Place station
    Cermak–McCormick Place station is a Chicago 'L' rapid transit stop on the Near South Side that provides access to the McCormick Place convention center and surrounding neighborhood.
  • D. UIC–Halsted station
    UIC–Halsted station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the University of Illinois at Chicago campus and the Near West Side neighborhood.
  • E. 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.
  • 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: Oakton–Skokie station
Triple: [Yellow Line (CTA), hasStation, Oakton–Skokie station]
Generated description
Oakton–Skokie station is a Chicago Transit Authority rapid transit stop in Skokie, Illinois, serving as a local access point on the Yellow Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Oakton–Skokie station
Target entity description: Oakton–Skokie station is a Chicago Transit Authority rapid transit stop in Skokie, Illinois, serving as a local access point on the Yellow Line.
  • A. Dempster–Skokie station
    Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
  • B. 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.
  • C. Cermak–McCormick Place station
    Cermak–McCormick Place station is a Chicago 'L' rapid transit stop on the Near South Side that provides access to the McCormick Place convention center and surrounding neighborhood.
  • D. UIC–Halsted station
    UIC–Halsted station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the University of Illinois at Chicago campus and the Near West Side neighborhood.
  • E. 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.
  • 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_69a4939c32488190a7ccd41cf0abb22b completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ace5e15c81908cc2e648c9cd52f2 completed March 1, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac5e990be881908b47d88074339470 completed March 7, 2026, 5:21 p.m.
NEDg Description generation batch_69ac5f3b0ee8819094ba1bdbaac8c43d completed March 7, 2026, 5:24 p.m.
NED2 Entity disambiguation (via description) batch_69ac5fa6a43881908b0ac30c4e376c5b completed March 7, 2026, 5:25 p.m.
Created at: March 1, 2026, 7:39 p.m.