Triple
T17725848
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago Transit Authority Green Line stations |
E442458
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Ashland 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: Ashland station (CTA Green Line) | Statement: [Chicago Transit Authority Green Line stations, hasStation, Ashland station (CTA Green Line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ashland station (CTA Green Line) Context triple: [Chicago Transit Authority Green Line stations, hasStation, Ashland station (CTA Green Line)]
-
A.
Ashland station (CTA Orange Line)
Ashland station (CTA Orange Line) is an elevated rapid transit station on Chicago's Orange Line serving the city's Near West Side.
-
B.
Ashland station (Green Line)
chosen
Ashland station (Green Line) is an elevated Chicago 'L' rapid transit station on the Chicago Transit Authority’s Green Line.
-
C.
Ashland station (Orange Line)
Ashland station (Orange Line) is an elevated Chicago Transit Authority rapid transit stop in the city’s Near West Side, serving the Orange Line trains between Midway Airport and the Loop.
-
D.
Garfield Boulevard Green Line station
Garfield Boulevard Green Line station is a Chicago Transit Authority elevated train stop on the Green Line serving the Washington Park neighborhood on the South Side of Chicago.
-
E.
Green Line Ashland/63rd Branch
The Green Line Ashland/63rd Branch is a Chicago 'L' rapid transit branch on the CTA's Green Line that runs through the city's South Side to the Ashland/63rd terminal.
- 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.