Triple
T20629851
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | GE P42DC |
E506923
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Amtrak Midwest |
—
|
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: Amtrak Midwest | Statement: [GE P42DC, operator, Amtrak Midwest]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Midwest Context triple: [GE P42DC, operator, Amtrak Midwest]
-
A.
Amtrak Lincoln Service
Amtrak Lincoln Service is a passenger rail service operated by Amtrak that runs between Chicago, Illinois, and St. Louis, Missouri, providing intercity transportation through central Illinois.
-
B.
Amtrak Midwest services
chosen
Amtrak Midwest services are a network of state-supported intercity passenger rail routes connecting major cities across the Midwestern United States.
-
C.
Amtrak Illini
Amtrak Illini is a passenger train service operated by Amtrak that runs between Chicago and Carbondale, Illinois, serving intermediate cities including Champaign-Urbana.
-
D.
Amtrak Heartland Flyer
The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
E.
Amtrak Zone 8
Amtrak Zone 8 is a fare and ticketing zone within Amtrak’s distance-based pricing system that includes stations such as Kingston.
- 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_69e0b4bd4a0081908d4e97a590a33fb2 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6ad09c71881909698d3c2576cc181 |
completed | April 20, 2026, 10:47 p.m. |
Created at: April 16, 2026, 11:42 a.m.