Triple

T17608643
Position Surface form Disambiguated ID Type / Status
Subject Pace Route 423 Linden CTA/The Glen/Harlem CTA E428905 entity
Predicate terminus P388 FINISHED
Object Harlem CTA station — 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: Harlem CTA station | Statement: [Pace Route 423 Linden CTA/The Glen/Harlem CTA, terminus, Harlem CTA station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harlem CTA station
Context triple: [Pace Route 423 Linden CTA/The Glen/Harlem CTA, terminus, Harlem CTA station]
  • A. Harlem (Forest Park branch) station
    Harlem (Forest Park branch) station is a Chicago Transit Authority rapid transit stop on the city's West Side serving the Blue Line’s Forest Park branch.
  • B. Harlem/Lake station
    Harlem/Lake station is the western terminal of the Chicago Transit Authority’s Green Line, located in the suburb of Oak Park, Illinois.
  • C. DeKalb Avenue subway station
    DeKalb Avenue subway station is a major New York City Subway hub in Downtown Brooklyn, serving multiple lines and acting as a key transfer point between Brooklyn and Manhattan.
  • D. Fairview Avenue Station
    Fairview Avenue Station is a light rail stop on the METRO Green Line serving the Saint Paul–Minneapolis area in Minnesota.
  • E. Harlem (O'Hare branch) station
    Harlem (O'Hare branch) station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side near the Kennedy Expressway.
  • 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: Harlem CTA station
Target entity description: Harlem CTA station is a Chicago Transit Authority rapid transit stop on the city's West Side that serves as a key terminal and transfer point for buses and trains.
  • A. Harlem (Forest Park branch) station chosen
    Harlem (Forest Park branch) station is a Chicago Transit Authority rapid transit stop on the city's West Side serving the Blue Line’s Forest Park branch.
  • B. Harlem/Lake station
    Harlem/Lake station is the western terminal of the Chicago Transit Authority’s Green Line, located in the suburb of Oak Park, Illinois.
  • C. DeKalb Avenue subway station
    DeKalb Avenue subway station is a major New York City Subway hub in Downtown Brooklyn, serving multiple lines and acting as a key transfer point between Brooklyn and Manhattan.
  • D. Fairview Avenue Station
    Fairview Avenue Station is a light rail stop on the METRO Green Line serving the Saint Paul–Minneapolis area in Minnesota.
  • E. Harlem (O'Hare branch) station
    Harlem (O'Hare branch) station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side near the Kennedy Expressway.
  • F. None of above.

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_69d889e1c6148190ba76241e74688f8b completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e46c4d8374819097cb112fba405e77 completed April 19, 2026, 5:46 a.m.
Created at: April 10, 2026, 5:51 a.m.