Triple
T11676121
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak General Electric Genesis locomotives |
E277494
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Via Rail Canada (selected units acquired second-hand) |
E127380
|
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: Via Rail Canada (selected units acquired second-hand) | Statement: [Amtrak General Electric Genesis locomotives, operator, Via Rail Canada (selected units acquired second-hand)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Via Rail Canada (selected units acquired second-hand) Context triple: [Amtrak General Electric Genesis locomotives, operator, Via Rail Canada (selected units acquired second-hand)]
-
A.
Mark II SkyTrain cars
Mark II SkyTrain cars are a generation of automated, driverless rapid transit vehicles used on Vancouver’s SkyTrain system, featuring articulated, higher-capacity design for urban metro service.
-
B.
Via Rail
chosen
Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
-
C.
NI Railways
NI Railways is the primary passenger rail operator in Northern Ireland, running the region’s railway network and services.
-
D.
Bombardier Turbostar multiple units
Bombardier Turbostar multiple units are a family of diesel multiple-unit passenger trains widely used on regional and commuter rail services in the United Kingdom.
-
E.
Bombardier BiLevel Coach
The Bombardier BiLevel Coach is a double-decker commuter rail car widely used across North America to increase passenger capacity on regional and suburban train services.
- 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_69d6aafd0a448190b44da30af8c6c519 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a44504c48190b519765a83ff9c5e |
completed | April 10, 2026, 7:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ef13f12c2481909171a3237064c76d |
completed | April 27, 2026, 7:44 a.m. |
Created at: April 8, 2026, 9:40 p.m.