Triple
T8234534
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Westmont station |
E192370
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | BNSF Railway stations (Metra) |
E601737
|
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 stations (Metra) | Statement: [Westmont station, category, BNSF Railway stations (Metra)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BNSF Railway stations (Metra) Context triple: [Westmont station, category, BNSF Railway stations (Metra)]
-
A.
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.
-
B.
Western (Brown Line) station
Western (Brown Line) station is an elevated Chicago 'L' rapid transit stop on the city's Brown Line, serving the Lincoln Square neighborhood on Chicago's North Side.
-
C.
Plano station (Metra)
chosen
Plano station (Metra) is a commuter rail station in Plano, Illinois, served by Metra's BNSF Railway Line connecting the suburb to Chicago.
-
D.
Metra BNSF Railway Line
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.
-
E.
Metra commuter rail services at Chicago Union Station
Metra commuter rail services at Chicago Union Station are a network of regional passenger trains that connect downtown Chicago with its surrounding suburbs via multiple lines terminating or passing through this major terminal.
- 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.