Triple

T18879978
Position Surface form Disambiguated ID Type / Status
Subject Edgewater, Chicago E461798 entity
Predicate hasStation P35 FINISHED
Object Berwyn 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: Berwyn station | Statement: [Edgewater, Chicago, hasStation, Berwyn station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Berwyn station
Context triple: [Edgewater, Chicago, hasStation, Berwyn station]
  • A. Berwyn station
    Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
  • B. Berwyn station
    Berwyn station is a commuter rail stop in Berwyn, Pennsylvania, serving passengers on SEPTA's Paoli/Thorndale Line in the Philadelphia suburbs.
  • C. Palos Heights station
    Palos Heights station is a commuter rail stop in Palos Heights, Illinois, serving passengers on Metra’s SouthWest Service line between Chicago and its southwestern suburbs.
  • D. Glenview station
    Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
  • E. Glenbrook station
    Glenbrook station is a commuter rail stop in Stamford, Connecticut, served by Metro-North Railroad’s New Canaan Branch.
  • 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: Berwyn station
Target entity description: Berwyn station is a Chicago "L" rapid transit stop on the Red Line serving the Edgewater neighborhood on the city's North Side.
  • A. Berwyn station
    Berwyn station is a commuter rail stop in Berwyn, Illinois, served by Metra trains on the BNSF Railway Line connecting the suburb to downtown Chicago.
  • B. Berwyn station
    Berwyn station is a commuter rail stop in Berwyn, Pennsylvania, serving passengers on SEPTA's Paoli/Thorndale Line in the Philadelphia suburbs.
  • C. Palos Heights station
    Palos Heights station is a commuter rail stop in Palos Heights, Illinois, serving passengers on Metra’s SouthWest Service line between Chicago and its southwestern suburbs.
  • D. Glenview station
    Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
  • E. Glenbrook station
    Glenbrook station is a commuter rail stop in Stamford, Connecticut, served by Metro-North Railroad’s New Canaan Branch.
  • 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_69d8dcfc3430819095ee6fc0eb4c06a5 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c3d133f08190a482e601c1866662 completed April 20, 2026, 6:12 a.m.
Created at: April 10, 2026, 11:57 a.m.