Triple
T23317418
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak corridor services |
E590746
|
entity |
| Predicate | includesServiceBrand |
P34842
|
FINISHED |
| Object | Acela |
—
|
NE NERFINISHED |
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 | Statement: [Amtrak corridor services, includesServiceBrand, Acela]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Acela Context triple: [Amtrak corridor services, includesServiceBrand, Acela]
-
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.
Carolinian (Amtrak train)
The Carolinian is a daily Amtrak passenger train that operates between Charlotte, North Carolina, and New York City, serving major cities along the East Coast.
-
D.
Amtrak Montrealer
The Amtrak Montrealer was a former overnight passenger train that operated between Washington, D.C., and Montreal, providing cross-border service through New England before its discontinuation and replacement by the Vermonter.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e25d1d32188190948eb76909d1dcc3 |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f197828c408190ae071624e40de4cc |
completed | April 29, 2026, 5:30 a.m. |
Created at: April 17, 2026, 5:06 p.m.