Triple
T21184130
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Polk Street (Chicago) |
E522033
|
entity |
| Predicate | hasPublicTransitStop |
P6657
|
FINISHED |
| Object | Polk station (CTA Pink Line) |
—
|
NE NERFINISHED |
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: Polk station (CTA Pink Line) | Statement: [Polk Street (Chicago), hasPublicTransitStop, Polk station (CTA Pink Line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Polk station (CTA Pink Line) Context triple: [Polk Street (Chicago), hasPublicTransitStop, Polk station (CTA Pink Line)]
-
A.
Polk (CTA Pink Line station)
chosen
Polk is a Chicago Transit Authority Pink Line rapid transit station serving the Illinois Medical District and nearby Near West Side neighborhoods.
-
B.
Pulaski station (CTA Orange Line)
Pulaski station (CTA Orange Line) is an elevated rapid transit stop on Chicago’s Orange Line serving the West Elsdon neighborhood near Midway Airport.
-
C.
Pulaski station (CTA Green Line)
Pulaski station (CTA Green Line) is an elevated Chicago 'L' rapid transit stop serving the West Garfield Park neighborhood on the city's West Side.
-
D.
Paulina station (CTA)
Paulina station (CTA) was a former Chicago 'L' rapid transit station on the Brown Line located in the Lakeview neighborhood.
-
E.
Oak Park station (CTA Green Line)
Oak Park station (CTA Green Line) is an elevated rapid transit stop in Oak Park, Illinois, serving Chicago's Green Line with access to the surrounding residential and commercial areas just west of the city.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b50ef1d48190b063aa342667df22 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e730205ce88190b0bb33003295d6e7 |
completed | April 21, 2026, 8:06 a.m. |
Created at: April 16, 2026, 3:05 p.m.