Triple
T21358855
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Austin, Chicago |
E526711
|
entity |
| Predicate | traversedBy |
P225
|
FINISHED |
| Object | Chicago Transit Authority Blue Line (nearby at border with Oak Park) |
—
|
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: Chicago Transit Authority Blue Line (nearby at border with Oak Park) | Statement: [Austin, Chicago, traversedBy, Chicago Transit Authority Blue Line (nearby at border with Oak Park)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Transit Authority Blue Line (nearby at border with Oak Park) Context triple: [Austin, Chicago, traversedBy, Chicago Transit Authority Blue Line (nearby at border with Oak Park)]
-
A.
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.
-
B.
Orange Line at Clark/Lake
The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
-
C.
O'Hare branch of the Blue Line
The O'Hare branch of the Blue Line is the Chicago 'L' rapid transit segment that runs northwest from downtown Chicago to O'Hare International Airport.
-
D.
Forest Park branch of the Blue Line
chosen
The Forest Park branch of the Blue Line is a western segment of Chicago’s rapid transit system that runs between downtown and the suburb of Forest Park.
-
E.
Blue Line at Clark/Lake
The Blue Line at Clark/Lake is a major Chicago 'L' rapid transit stop in the Loop, serving the Blue Line within the large Clark/Lake station complex.
- 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_69e0b51d8a308190b09113b3b3f9bc15 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8afa3924c8190b3decbfda4a2aecf |
completed | April 22, 2026, 11:23 a.m. |
Created at: April 16, 2026, 5:07 p.m.