Triple
T21335017
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Orange Line (CTA) |
E526018
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Midway station (CTA) |
—
|
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: Midway station (CTA) | Statement: [Orange Line (CTA), hasStation, Midway station (CTA)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midway station (CTA) Context triple: [Orange Line (CTA), hasStation, Midway station (CTA)]
-
A.
Midway station (CTA)
chosen
Midway station (CTA) is the Chicago Transit Authority rapid transit terminal serving Midway International Airport on the Orange Line.
-
B.
Paulina station (CTA)
Paulina station (CTA) was a former Chicago 'L' rapid transit station on the Brown Line located in the Lakeview neighborhood.
-
C.
Argyle station (CTA)
Argyle station (CTA) is an elevated Chicago 'L' rapid transit stop on the Red Line serving the Uptown neighborhood’s Argyle Street area.
-
D.
Wellington station (CTA)
Wellington station (CTA) is an elevated Chicago 'L' rapid transit stop in the Lakeview neighborhood served by the Brown and Purple Lines.
-
E.
Quincy station (CTA)
Quincy station (CTA) is a historic elevated rapid transit stop in downtown Chicago’s Loop, known for its preserved 19th-century architecture and service to multiple ‘L’ lines including the Orange Line.
- 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_69e0b51b90788190a4dd823d962626da |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e898d602c08190821c63e0aff42fc2 |
completed | April 22, 2026, 9:45 a.m. |
Created at: April 16, 2026, 4:43 p.m.