Triple
T8367761
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Silver Meteor |
E197376
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Viewliner II sleepers |
E39514
|
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: Viewliner II sleepers | Statement: [Amtrak Silver Meteor, usesRollingStock, Viewliner II sleepers]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Viewliner II sleepers Context triple: [Amtrak Silver Meteor, usesRollingStock, Viewliner II sleepers]
-
A.
Viewliner sleeping cars
chosen
Viewliner sleeping cars are Amtrak’s single-level long-distance sleeper railcars designed with individual roomettes and bedrooms for overnight passenger comfort on routes using standard-height equipment.
-
B.
Viewliner baggage-dormitory cars
Viewliner baggage-dormitory cars are Amtrak single-level passenger railcars that combine checked-baggage space with crew sleeping and lounge accommodations, primarily for use on long-distance Eastern routes.
-
C.
Silverliner
Silverliner is a series of electric multiple-unit commuter railcars used by several transit agencies in the Philadelphia region over multiple generations.
-
D.
CAF Mark 5 sleeping coaches
CAF Mark 5 sleeping coaches are modern, purpose-built overnight train carriages designed by Construcciones y Auxiliar de Ferrocarriles (CAF) to provide upgraded sleeper accommodation and amenities on long-distance services in the UK.
-
E.
M-Line Trolley
M-Line Trolley is a heritage streetcar system operating in Dallas, Texas, providing free public transportation along the McKinney Avenue and Uptown areas.
- 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_69ca82f56730819080cec5d991c76f4c |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb808e56fc81908b5d37482f29452d |
completed | March 31, 2026, 8:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cdc78c0c208190ba590c74512a4043 |
completed | April 2, 2026, 1:34 a.m. |
Created at: March 30, 2026, 6 p.m.