Triple

T17517026
Position Surface form Disambiguated ID Type / Status
Subject Congress Branch of the Blue Line E426593 entity
Predicate isPartOfCorridor P35 FINISHED
Object West Side–O'Hare–Forest Park Blue Line corridor 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: West Side–O'Hare–Forest Park Blue Line corridor | Statement: [Congress Branch of the Blue Line, isPartOfCorridor, West Side–O'Hare–Forest Park Blue Line corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Side–O'Hare–Forest Park Blue Line corridor
Context triple: [Congress Branch of the Blue Line, isPartOfCorridor, West Side–O'Hare–Forest Park Blue Line corridor]
  • A. IND 63rd Street Line
    The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
  • B. Southwest Corridor of Chicago
    The Southwest Corridor of Chicago is a transit and development corridor on the city’s Southwest Side that links neighborhoods to downtown via routes such as the CTA Orange Line.
  • C. Howard–95th/Dan Ryan Red Line corridor
    The Howard–95th/Dan Ryan Red Line corridor is the primary north–south rapid transit route of Chicago’s "L" system, running from Howard on the North Side through downtown to 95th/Dan Ryan on the South Side.
  • D. O'Hare–Forest Park corridor chosen
    The O'Hare–Forest Park corridor is a major transit corridor in the Chicago area served by the Blue Line, connecting O'Hare International Airport with the Forest Park suburb through the city's West Side.
  • E. LaSalle (Blue Line)
    LaSalle is a Chicago 'L' Blue Line subway station located in the Loop, serving downtown commuters and connecting to nearby Metra and other transit services.
  • 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_69d889dd9164819087b1dc3c9240c870 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e452615a8481909974e9855ea7a8e4 completed April 19, 2026, 3:56 a.m.
Created at: April 10, 2026, 5:49 a.m.