Triple
T7322095
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maywood station |
E168574
|
entity |
| Predicate | ticketing |
P395
|
FINISHED |
| Object | Metra ticketing system |
E486843
|
NE FINISHED |
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 ticketing system | Statement: [Maywood station, ticketing, Metra ticketing system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metra ticketing system Context triple: [Maywood station, ticketing, Metra ticketing system]
-
A.
Metra ticket office
chosen
The Metra ticket office is a staffed sales and customer service counter where passengers can purchase Metra train tickets and obtain travel information.
-
B.
Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
-
C.
MARC fare system
The MARC fare system is the ticketing and pricing structure used by Maryland's MARC commuter rail service for travel across its network.
-
D.
MetroRide
MetroRide is a free downtown Denver circulator bus service providing frequent, short-distance connections within the city center.
-
E.
Metra at Jefferson Park
Metra at Jefferson Park is a commuter rail station in Chicago’s Jefferson Park neighborhood that serves as a key transfer point between Metra trains and CTA transit services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c68a5251508190ad68df4151cfeb04 |
completed | March 27, 2026, 1:46 p.m. |
| NER | Named-entity recognition | batch_69c6f041f4a88190b85cff1ee5f9a6d0 |
completed | March 27, 2026, 9:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7ef0609dc81909f298d3963fc88af |
completed | March 28, 2026, 3:08 p.m. |
Created at: March 27, 2026, 3:03 p.m.