Triple
T22216774
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | UP-NW |
E549093
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | Metra line designation |
C21506
|
CONCEPT FINISHED |
How this triple was built (1 step)
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.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: Metra line designation Context triple: [UP-NW, instanceOf, Metra line designation]
-
A.
Metra line code
chosen
A Metra line code is a standardized identifier used to uniquely represent and reference a specific Metra commuter rail line within schedules, systems, and operations.
-
B.
public transit line designation
A public transit line designation is a unique identifier, such as a number, letter, color, or name, used to distinguish and communicate specific routes within a transportation network.
-
C.
Chicago 'L' branch
A Chicago 'L' branch is a specific route segment of the Chicago elevated rapid transit system that diverges from a main line to serve particular neighborhoods or corridors.
-
D.
Blue Line station
A Blue Line station is a designated stop or terminal along a transit system’s Blue Line where passengers can board, alight, and transfer between vehicles or services.
-
E.
subway line
A subway line is a fixed route within an urban rail transit system, consisting of a sequence of stations and tracks over which trains operate according to a scheduled service.
- F. None of above.
Provenance (1 batch)
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_69e11e3f7e04819089806d81d5ac431e |
completed | April 16, 2026, 5:37 p.m. |
Created at: April 16, 2026, 8:37 p.m.