Triple

T22738975
Position Surface form Disambiguated ID Type / Status
Subject Forest Park, Illinois E562352 entity
Predicate connectedTo P37 FINISHED
Object Chicago Loop via CTA Blue Line — NE NERFINISHED

How this triple was built (3 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: Chicago Loop via CTA Blue Line | Statement: [Forest Park, Illinois, connectedTo, Chicago Loop via CTA Blue Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago Loop via CTA Blue Line
Context triple: [Forest Park, Illinois, connectedTo, Chicago Loop via CTA Blue Line]
  • A. Brown Line at Clark/Lake
    Brown Line at Clark/Lake is a Chicago 'L' rapid transit station stop on the Brown Line located within the major multi-line Clark/Lake station complex in downtown Chicago.
  • B. Orange Line at Clark/Lake
    The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
  • C. Chicago station (Blue Line)
    Chicago station (Blue Line) is an underground Chicago 'L' rapid transit station in the city's River West area, serving the Blue Line between downtown and O'Hare International Airport.
  • D. CTA Green Line at Clark/Lake
    CTA Green Line at Clark/Lake is a major elevated Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA lines.
  • E. O'Hare station (CTA Blue Line)
    O'Hare station (CTA Blue Line) is a Chicago Transit Authority rapid transit station located at O'Hare International Airport, serving as the Blue Line’s western terminus and a major gateway between the airport and downtown Chicago.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chicago Loop via CTA Blue Line
Target entity description: Chicago Loop via CTA Blue Line is the central business district of Chicago served by the CTA’s Blue Line rapid transit route, functioning as a major hub for commuters and city transit connections.
  • A. Brown Line at Clark/Lake
    Brown Line at Clark/Lake is a Chicago 'L' rapid transit station stop on the Brown Line located within the major multi-line Clark/Lake station complex in downtown Chicago.
  • B. Orange Line at Clark/Lake
    The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
  • C. Chicago station (Blue Line)
    Chicago station (Blue Line) is an underground Chicago 'L' rapid transit station in the city's River West area, serving the Blue Line between downtown and O'Hare International Airport.
  • D. CTA Green Line at Clark/Lake
    CTA Green Line at Clark/Lake is a major elevated Chicago 'L' station in the Loop where Green Line trains share a busy downtown transfer hub with multiple other CTA lines.
  • E. O'Hare station (CTA Blue Line)
    O'Hare station (CTA Blue Line) is a Chicago Transit Authority rapid transit station located at O'Hare International Airport, serving as the Blue Line’s western terminus and a major gateway between the airport and downtown Chicago.
  • F. None of above. chosen

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_69e245513a5c81908d5cb471b4fc429d completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17971751081909253984429c8d178 completed April 29, 2026, 3:22 a.m.
Created at: April 17, 2026, 3:22 p.m.