Triple
T17725847
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago Transit Authority Green Line stations |
E442458
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | California station (CTA Green 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: California station (CTA Green Line) | Statement: [Chicago Transit Authority Green Line stations, hasStation, California station (CTA Green Line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: California station (CTA Green Line) Context triple: [Chicago Transit Authority Green Line stations, hasStation, California station (CTA Green Line)]
-
A.
California station (CTA Blue Line)
California station (CTA Blue Line) is an elevated Chicago 'L' rapid transit stop on the Blue Line located in the Logan Square neighborhood.
-
B.
California station (Green Line)
chosen
California station (Green Line) is an elevated Chicago Transit Authority 'L' station located in the city's West Garfield Park neighborhood.
-
C.
Central station (CTA Green Line)
Central station (CTA Green Line) is an elevated Chicago 'L' rapid transit stop in the Austin neighborhood, serving the Green Line's Lake Branch on Chicago's West Side.
-
D.
Chicago station (Blue Line)
Chicago station (Blue Line) is an underground Chicago 'L' rapid transit station in the city's River West area, serving the Blue Line between downtown and O'Hare International Airport.
-
E.
Belmont station (CTA Red Line)
Belmont station (CTA Red Line) is a major Chicago 'L' rapid transit hub in the Lakeview neighborhood where the Red, Brown, and Purple Lines converge.
- 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_69d8b9ec79688190b86bdcef85a7b3aa |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e47489c59c8190bbffefad20dc6346 |
completed | April 19, 2026, 6:22 a.m. |
Created at: April 10, 2026, 10:07 a.m.