Triple
T17465076
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Western Avenue station (Metra) |
E425253
|
entity |
| Predicate | zone |
P2160
|
FINISHED |
| Object | Metra fare zone A |
—
|
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: Metra fare zone A | Statement: [Western Avenue station (Metra), zone, Metra fare zone A]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metra fare zone A Context triple: [Western Avenue station (Metra), zone, Metra fare zone A]
-
A.
Metra fare zones
chosen
Metra fare zones are a distance-based pricing system used by the Chicago-area Metra commuter rail network to determine ticket costs between stations.
-
B.
Metra zone E
Metra zone E is a commuter rail fare zone in the Chicago metropolitan area used to determine ticket prices on Metra’s zone-based system.
-
C.
Metra zone D
Metra zone D is a fare zone within the Metra commuter rail system in the Chicago metropolitan area, used to determine ticket prices for stations located at a similar distance from downtown Chicago.
-
D.
Metra fare zone H
Metra fare zone H is one of the outer commuter rail fare zones in the Chicago-area Metra system, used to determine ticket prices for longer-distance trips from downtown.
-
E.
Metra Zone B
Metra Zone B is one of the inner fare zones in the Metra commuter rail system serving the Chicago metropolitan area, used to determine ticket prices for short-distance trips from downtown.
- 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_69d889dbc2e88190b18ea6115e819258 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e451a6c2e08190bca9de56ee2f5136 |
completed | April 19, 2026, 3:53 a.m. |
Created at: April 10, 2026, 5:47 a.m.