Triple
T7546254
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Acela |
E178408
|
entity |
| Predicate | rollingStockModel |
P45556
|
FINISHED |
| Object | Acela Express trainsets |
E20525
|
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: Acela Express trainsets | Statement: [Amtrak Acela, rollingStockModel, Acela Express trainsets]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Acela Express trainsets Context triple: [Amtrak Acela, rollingStockModel, Acela Express trainsets]
-
A.
Amtrak Genesis
Amtrak Genesis is a series of streamlined diesel-electric locomotives built by GE for Amtrak’s long-distance and intercity passenger trains across the United States.
-
B.
Acela
chosen
Acela is Amtrak’s high-speed train service in the Northeast Corridor, known for providing the fastest intercity rail travel in the United States between cities like Boston, New York, and Washington, D.C.
-
C.
Amtrak Superliner
The Amtrak Superliner is a bi-level long-distance passenger railcar fleet used across many of Amtrak’s premier intercity routes in the United States.
-
D.
Amtrak Acela
Amtrak Acela is Amtrak’s high-speed train service in the Northeast Corridor, offering its fastest and most premium intercity rail travel between major cities like Boston, New York, and Washington, D.C.
-
E.
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.
- 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_69c69f2cbe08819088f9eb0c03ef529b |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f89963ec8190ae7b8a2b9508c074 |
completed | March 27, 2026, 9:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c856bb83b88190947c0efed84b891a |
completed | March 28, 2026, 10:31 p.m. |
Created at: March 27, 2026, 3:49 p.m.