Triple
T6411179
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Acela |
E127707
|
entity |
| Predicate | plannedSuccessorRollingStock |
P43364
|
FINISHED |
| Object | Avelia Liberty trainsets |
E114472
|
NE FINISHED |
How this triple was built (3 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: Avelia Liberty trainsets | Statement: [Amtrak Acela, plannedSuccessorRollingStock, Avelia Liberty trainsets]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Avelia Liberty trainsets Context triple: [Amtrak Acela, plannedSuccessorRollingStock, Avelia Liberty trainsets]
-
A.
Avelia Liberty trainset
chosen
The Avelia Liberty trainset is a high-speed, tilting electric multiple unit designed by Alstom for Amtrak’s next-generation premium service in the United States.
-
B.
Bombardier Flexity Swift
The Bombardier Flexity Swift is a family of modular, high-floor light rail and tram vehicles designed for rapid transit operations in urban and suburban networks worldwide.
-
C.
Bombardier Flexity Classic
The Bombardier Flexity Classic is a family of low-floor, multi-section trams used in various cities worldwide, designed for reliable, accessible urban light rail service.
-
D.
Siemens Velaro
Siemens Velaro is a family of high-speed electric multiple unit trains developed by Siemens for use on major high-speed rail networks worldwide.
-
E.
CTA 5000-series railcars
The CTA 5000-series railcars are a modern generation of Chicago "L" rapid transit cars featuring improved accessibility, digital signage, and enhanced passenger comfort and safety systems.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: plannedSuccessorRollingStock Context triple: [Amtrak Acela, plannedSuccessorRollingStock, Avelia Liberty trainsets]
-
A.
futureRollingStock
chosen
Indicates that an entity is designated to serve as rolling stock (e.g., trains or rail vehicles) at some point in the future, rather than in the present or past.
-
B.
formerRollingStock
Indicates that an entity was previously used as rolling stock (e.g., railway vehicles) but no longer serves in that capacity.
-
C.
replacedRollingStock
Indicates that one rolling stock asset has been substituted or superseded by another in service or operational use.
-
D.
ownedRollingStock
Indicates that one entity possesses or has ownership rights over specific rolling stock (such as trains, railcars, or locomotives).
-
E.
introducedRollingStock
Indicates that an entity caused new rolling stock (such as trains or rail vehicles) to be put into service or use.
- F. None of above.
Provenance (4 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_69c0083723d88190b1e37b19df162c08 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c068d0f2b88190af06c208d8c01d07 |
completed | March 22, 2026, 10:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c638b7582481909640965acf261dff |
completed | March 27, 2026, 7:58 a.m. |
| PD | Predicate disambiguation | batch_69c060f40ecc8190b1df17b96767675c |
completed | March 22, 2026, 9:36 p.m. |
Created at: March 22, 2026, 4:41 p.m.