Triple
T7048537
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vermonter |
E163704
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Amtrak Amfleet coaches |
E223690
|
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: Amtrak Amfleet coaches | Statement: [Vermonter, usesRollingStock, Amtrak Amfleet coaches]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Amfleet coaches Context triple: [Vermonter, usesRollingStock, Amtrak Amfleet coaches]
-
A.
Amtrak Siemens Charger locomotives
Amtrak Siemens Charger locomotives are modern, diesel-electric passenger train engines used across various Amtrak routes for higher efficiency, lower emissions, and improved performance compared to older locomotive fleets.
-
B.
Amtrak California bi-level coaches
Amtrak California bi-level coaches are double-decker passenger railcars used on California’s state-supported Amtrak routes, designed to provide high-capacity, comfortable intercity service with features tailored to regional corridor operations.
-
C.
Amtrak single-level passenger cars
chosen
Amtrak single-level passenger cars are intercity rail coaches designed for use on routes without height restrictions, featuring standard- and business-class seating, baggage and dining facilities, and compatibility with various Amtrak locomotive-hauled trains.
-
D.
Amtrak General Electric Genesis locomotives
Amtrak General Electric Genesis locomotives are a series of diesel-electric passenger locomotives built by GE for Amtrak, widely used across its intercity routes in the United States.
-
E.
Amtrak locomotives
Amtrak locomotives are the diesel and electric engines that power the United States’ national passenger rail services across both short- and long-distance routes.
- 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_69c6885f598c8190b6b6495c59d8d962 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e24c4004819086002bfe55502374 |
completed | March 27, 2026, 8:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7888497b08190b1f2aa686e8e30c1 |
completed | March 28, 2026, 7:51 a.m. |
Created at: March 27, 2026, 2:37 p.m.