Triple

T19460033
Position Surface form Disambiguated ID Type / Status
Subject Chicago Pedway system E486842 entity
Predicate connectsWith P37 FINISHED
Object Lake Street station (Metra Electric) — 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: Lake Street station (Metra Electric)  | Statement: [Chicago Pedway system, connectsWith, Lake Street station (Metra Electric) ]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lake Street station (Metra Electric) 
Context triple: [Chicago Pedway system, connectsWith, Lake Street station (Metra Electric) ]
  • A. Western Avenue station (Metra)
    Western Avenue station (Metra) is a commuter rail stop in Chicago, Illinois, serving Metra’s North Central Service and other lines as part of the city’s regional rail network.
  • B. LaSalle Street Station (Metra)
    LaSalle Street Station (Metra) is a major commuter rail terminal in downtown Chicago serving Metra’s Rock Island District line and providing connections to the city’s rapid transit system.
  • C. Blue Island station (Metra Electric)
    Blue Island station (Metra Electric) is a commuter rail station on Metra's Electric District line serving passengers in the suburb of Blue Island, Illinois.
  • D. Metra Rock Island District 35th Street station
    Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
  • E. Addison (Brown Line) station
    Addison (Brown Line) station is an elevated Chicago 'L' rapid transit stop serving the Brown Line on the city's North Side.
  • 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: Lake Street station (Metra Electric) 
Target entity description: Lake Street station (Metra Electric) is a downtown Chicago commuter rail station on Metra's Electric District line that provides convenient access to the city's central business district and connects directly to the Chicago Pedway system.
  • A. Western Avenue station (Metra)
    Western Avenue station (Metra) is a commuter rail stop in Chicago, Illinois, serving Metra’s North Central Service and other lines as part of the city’s regional rail network.
  • B. LaSalle Street Station (Metra)
    LaSalle Street Station (Metra) is a major commuter rail terminal in downtown Chicago serving Metra’s Rock Island District line and providing connections to the city’s rapid transit system.
  • C. Blue Island station (Metra Electric)
    Blue Island station (Metra Electric) is a commuter rail station on Metra's Electric District line serving passengers in the suburb of Blue Island, Illinois.
  • D. Metra Rock Island District 35th Street station
    Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
  • E. Addison (Brown Line) station
    Addison (Brown Line) station is an elevated Chicago 'L' rapid transit stop serving the Brown Line on the city's North Side.
  • 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_69d8e8d86d608190bd199a98d0297f27 completed April 10, 2026, 12:11 p.m.
NER Named-entity recognition batch_69e633c7f4388190be8c207c94ba8889 completed April 20, 2026, 2:10 p.m.
Created at: April 10, 2026, 1:38 p.m.