Triple
T3262406
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Maple Leaf |
E68441
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Amtrak Genesis series locomotives |
E277494
|
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 Genesis series locomotives | Statement: [Amtrak Maple Leaf, usesRollingStock, Amtrak Genesis series locomotives]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Genesis series locomotives Context triple: [Amtrak Maple Leaf, usesRollingStock, Amtrak Genesis series locomotives]
-
A.
Amtrak General Electric Genesis locomotives
chosen
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.
-
B.
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.
-
C.
ACS-64 locomotives
ACS-64 locomotives are modern electric locomotives built by Siemens for Amtrak, designed for high-speed passenger service on the electrified portions of the U.S. Northeast Corridor.
-
D.
EMD F59PHI
The EMD F59PHI is a streamlined diesel-electric passenger locomotive widely used in North American intercity and commuter rail services.
-
E.
Amtrak single-level passenger cars
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.
- 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_69ad8590444081909e8107a8aeef3a23 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adafa908e881908cbb2ad137819ffb |
completed | March 8, 2026, 5:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b2e83a7a508190afd5342c79f3da9d |
completed | March 12, 2026, 4:22 p.m. |
Created at: March 8, 2026, 3:09 p.m.