Triple
T17465267
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra North Central Service |
E425259
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Prairie Crossing (North Central Service) 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: Prairie Crossing (North Central Service) station | Statement: [Metra North Central Service, hasStation, Prairie Crossing (North Central Service) station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Prairie Crossing (North Central Service) station Context triple: [Metra North Central Service, hasStation, Prairie Crossing (North Central Service) station]
-
A.
Prairie Crossing station
Prairie Crossing station is a commuter rail stop in Grayslake, Illinois, serving Metra passengers traveling between Chicago and the surrounding suburban communities.
-
B.
Prairie Crossing station (North Central Service)
chosen
Prairie Crossing station (North Central Service) is a Metra commuter rail stop in Libertyville, Illinois, serving passengers on the North Central Service line between Chicago and its northern suburbs.
-
C.
Pleasant Plains station
Pleasant Plains station is a Staten Island Railway stop in the Pleasant Plains neighborhood of Staten Island, New York City.
-
D.
Sturtevant station
Sturtevant station is a passenger rail station in Sturtevant, Wisconsin, serving Amtrak trains that connect the region to major Midwestern cities.
-
E.
Arapaho Center station
Arapaho Center station is a Dallas Area Rapid Transit (DART) light rail stop in Richardson, Texas, serving as a key park-and-ride and transfer point on the Red 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_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.