Triple
T7546228
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Acela |
E178408
|
entity |
| Predicate | originalBrandName |
P21870
|
FINISHED |
| Object | Acela Express |
E20525
|
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: Acela Express | Statement: [Amtrak Acela, originalBrandName, Acela Express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Acela Express Context triple: [Amtrak Acela, originalBrandName, Acela Express]
-
A.
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.
-
B.
Amtrak Crescent
Amtrak Crescent is a long-distance passenger train operated by Amtrak that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
-
C.
Amtrak Ethan Allen Express
The Amtrak Ethan Allen Express is an intercity passenger train service that operates between New York City and Vermont, providing a key rail connection through the Hudson Valley and upstate New York.
-
D.
Amtrak Sunset Limited
The Amtrak Sunset Limited is a long-distance passenger train route that runs between the American South and West, offering overnight service with Superliner bi-level cars.
-
E.
Amtrak Silver Meteor
The Amtrak Silver Meteor is a long-distance passenger train that operates daily between New York City and Miami as part of Amtrak’s Silver Service.
- 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: originalBrandName Context triple: [Amtrak Acela, originalBrandName, Acela Express]
-
A.
originalMarketingName
chosen
Indicates the original marketing or brand name under which an entity (such as a product or service) was first promoted or sold.
-
B.
hasBrandName
Indicates that an entity is associated with or identified by a specific brand name.
-
C.
parentBrand
Indicates that one brand is the overarching or owning brand from which another brand is derived or subordinated.
-
D.
formerBrand
Indicates that an entity was previously used or recognized as a brand for another entity but is no longer its current brand.
-
E.
usedBrand
Indicates that an entity has utilized, applied, or operated a particular brand in some context.
- 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_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_69c84f2662f881909f65c936be9eab56 |
completed | March 28, 2026, 9:59 p.m. |
| PD | Predicate disambiguation | batch_69c6f4daad6c8190af2b8ae88d2c8cb7 |
completed | March 27, 2026, 9:21 p.m. |
Created at: March 27, 2026, 3:48 p.m.