Triple
T17465265
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra North Central Service |
E425259
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Antioch station |
—
|
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: Antioch station | Statement: [Metra North Central Service, hasStation, Antioch station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Antioch station Context triple: [Metra North Central Service, hasStation, Antioch station]
-
A.
Antioch station
chosen
Antioch station is a Metra commuter rail terminus in Antioch, Illinois, serving as the northern endpoint of the North Central Service line to Chicago.
-
B.
Noyes station
Noyes station is an elevated Chicago Transit Authority 'L' station on the Purple Line serving the Evanston area north of Chicago.
-
C.
Dorsey station
Dorsey station is a commuter rail stop in Maryland served by MARC’s Camden Line between Washington, D.C., and Baltimore.
-
D.
Greystone station
Greystone station is a Metro-North Railroad commuter rail stop on the Hudson Line serving the Greystone neighborhood of Yonkers, New York.
-
E.
Ardmore Station
Ardmore Station is a commuter rail station in Ardmore, Pennsylvania, serving Amtrak and SEPTA trains along the busy Keystone Corridor between Philadelphia and Harrisburg.
- 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.