Triple

T8234519
Position Surface form Disambiguated ID Type / Status
Subject Westmont station E192370 entity
Predicate servesLine P839 FINISHED
Object BNSF Railway Chicago–Aurora corridor E27639 NE FINISHED

How this triple was built (2 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: BNSF Railway Chicago–Aurora corridor | Statement: [Westmont station, servesLine, BNSF Railway Chicago–Aurora corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BNSF Railway Chicago–Aurora corridor
Context triple: [Westmont station, servesLine, BNSF Railway Chicago–Aurora corridor]
  • A. Chicago–St. Louis rail corridor
    The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
  • B. Chicago–San Antonio rail corridor
    The Chicago–San Antonio rail corridor is a long-distance passenger rail route in the central United States that links Chicago, Illinois, with San Antonio, Texas, passing through major Midwestern and Southern cities.
  • C. Metra BNSF Railway Line chosen
    The Metra BNSF Railway Line is a major Chicago-area commuter rail route running between Chicago Union Station and Aurora, Illinois, primarily along tracks owned by BNSF Railway.
  • D. Chicago & North Western West Line
    The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
  • E. BNSF Railway Monticello Subdivision
    The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca82db5b90819085d1ad7c2e27bfcc completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb782931848190bcc54622f34e06a7 completed March 31, 2026, 7:30 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd34f0a770819089520e689ca9937a completed April 1, 2026, 3:08 p.m.
Created at: March 30, 2026, 5:46 p.m.