Triple

T20021444
Position Surface form Disambiguated ID Type / Status
Subject Flossmoor, Illinois E494868 entity
Predicate servedByStation P726 FINISHED
Object Flossmoor station NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Flossmoor station | Statement: [Flossmoor, Illinois, servedByStation, Flossmoor station]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Flossmoor station
Context triple: [Flossmoor, Illinois, servedByStation, Flossmoor station]
  • A. Oak Park station
    Oak Park station is a Chicago 'L' rapid transit stop in Oak Park, Illinois, served by the Green Line.
  • B. Mundelein station
    Mundelein station is a commuter rail stop in Mundelein, Illinois, serving passengers on Metra’s North Central Service line between Chicago and its northern suburbs.
  • C. River Grove station
    River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
  • D. Grayslake station
    Grayslake station is a commuter rail stop in Grayslake, Illinois, serving passengers on Metra’s Milwaukee District/North Line.
  • E. Elmwood Park station
    Elmwood Park station is a commuter rail stop in Elmwood Park, Illinois, serving passengers on Metra’s Milwaukee District/West Line in the Chicago metropolitan area.
  • 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: Flossmoor station
Target entity description: Flossmoor station is a commuter rail station in Flossmoor, Illinois, serving Metra’s Electric District line and functioning as a key transit hub for the south suburban community.
  • A. Oak Park station
    Oak Park station is a Chicago 'L' rapid transit stop in Oak Park, Illinois, served by the Green Line.
  • B. Mundelein station
    Mundelein station is a commuter rail stop in Mundelein, Illinois, serving passengers on Metra’s North Central Service line between Chicago and its northern suburbs.
  • C. River Grove station
    River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
  • D. Grayslake station
    Grayslake station is a commuter rail stop in Grayslake, Illinois, serving passengers on Metra’s Milwaukee District/North Line.
  • E. Elmwood Park station
    Elmwood Park station is a commuter rail stop in Elmwood Park, Illinois, serving passengers on Metra’s Milwaukee District/West Line in the Chicago metropolitan area.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69da626bfd288190aa5d65098b6433ae elicitation completed
NER batch_69e6623fe1988190a1c09d392d866dc8 ner completed
Created at: April 11, 2026, 3:35 p.m.