Triple
T18720529
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Davis station (Purple Line) |
E457760
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | Purple Line (CTA) stations |
—
|
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: Purple Line (CTA) stations | Statement: [Davis station (Purple Line), category, Purple Line (CTA) stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Purple Line (CTA) stations Context triple: [Davis station (Purple Line), category, Purple Line (CTA) stations]
-
A.
Red Line (CTA) stations
Red Line (CTA) stations are the train stops along Chicago's busiest rapid transit route, running north–south through the city and serving key neighborhoods and destinations.
-
B.
Purple Line (CTA)
chosen
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
-
C.
Central station (CTA Purple Line)
Central station is a Chicago Transit Authority 'L' rapid transit stop on the Purple Line located in Evanston, Illinois.
-
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.
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.
- 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_69d8d393ba9c8190a8b03b04ddbb0a09 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e56ab9e0dc8190bf579d7e89e941f4 |
completed | April 19, 2026, 11:52 p.m. |
Created at: April 10, 2026, 11:50 a.m.