Triple

T21335025
Position Surface form Disambiguated ID Type / Status
Subject Orange Line (CTA) E526018 entity
Predicate hasStation P35 FINISHED
Object Harold Washington Library–State/Van Buren station — NE NERFINISHED

How this triple was built (2 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: Harold Washington Library–State/Van Buren station | Statement: [Orange Line (CTA), hasStation, Harold Washington Library–State/Van Buren station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harold Washington Library–State/Van Buren station
Context triple: [Orange Line (CTA), hasStation, Harold Washington Library–State/Van Buren station]
  • A. Harold Washington Library–State/Van Buren station chosen
    Harold Washington Library–State/Van Buren station is a Chicago 'L' rapid transit stop in the Loop, serving multiple CTA lines and located adjacent to the Harold Washington Library Center.
  • B. Washington/Wabash station (CTA)
    Washington/Wabash station (CTA) is an elevated Chicago 'L' station in the Loop serving the Brown, Green, Orange, Pink, and Purple Lines.
  • C. Damen–Cermak CTA station
    Damen–Cermak CTA station is a Chicago 'L' rapid transit stop on the Pink Line serving the Lower West Side/Pilsen neighborhood.
  • D. Lincoln Park station
    Lincoln Park station is a commuter rail stop in Lincoln Park, New Jersey, served by NJ Transit trains on the Montclair-Boonton Line.
  • E. Chicago (Brown Line) station
    Chicago (Brown Line) station is an 'L' rapid transit stop in Chicago, Illinois, serving the CTA's Brown Line trains.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e0b51b90788190a4dd823d962626da completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e898d602c08190821c63e0aff42fc2 completed April 22, 2026, 9:45 a.m.
Created at: April 16, 2026, 4:43 p.m.