Triple
T1994840
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Silver Star (train) |
E43333
|
entity |
| Predicate | brand |
P1500
|
FINISHED |
| Object | Amtrak Silver Service |
E40984
|
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: Amtrak Silver Service | Statement: [Silver Star (train), brand, Amtrak Silver Service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Silver Service Context triple: [Silver Star (train), brand, Amtrak Silver Service]
-
A.
Amtrak Silver Service
chosen
Amtrak Silver Service is a pair of long-distance passenger train routes along the U.S. East Coast, primarily connecting New York City and Miami with intermediate stops in major cities.
-
B.
Amtrak Silver Star
Amtrak Silver Star is a long-distance passenger train operated by Amtrak that runs between New York City and Miami, serving major cities along the U.S. East Coast.
-
C.
Amtrak Capitol Limited
Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
-
D.
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.
-
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 (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_69a88714cf2c819081644be450b8356e |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abb8640f30819080322bddb85881f1 |
completed | March 7, 2026, 5:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae58bda3fc81908bfff1707e777dc1 |
completed | March 9, 2026, 5:21 a.m. |
Created at: March 4, 2026, 7:37 p.m.