Triple
T9869868
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Empire Service |
E239927
|
entity |
| Predicate | connection |
P845
|
FINISHED |
| Object | Acela (via New York Penn Station) |
E20525
|
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: Acela (via New York Penn Station) | Statement: [Amtrak Empire Service, connection, Acela (via New York Penn Station)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Acela (via New York Penn Station) Context triple: [Amtrak Empire Service, connection, Acela (via New York Penn Station)]
-
A.
New York City (via Lake Shore Limited)
New York City (via Lake Shore Limited) is the eastern terminus of Amtrak’s Lake Shore Limited route, providing intercity rail connections between New York City and Chicago.
-
B.
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.
-
C.
Amtrak Maple Leaf
Amtrak Maple Leaf is an intercity passenger train service operated by Amtrak between New York City and Toronto, Canada, running along the Hudson River and through upstate New York into Ontario.
-
D.
Amtrak at South Station
Amtrak at South Station is the intercity passenger rail service operating from Boston’s historic South Station, providing regional and long-distance train connections along the Northeast Corridor and beyond.
-
E.
New Haven Line at Grand Central Terminal
The New Haven Line at Grand Central Terminal is a major Metro-North Railroad commuter rail service that originates at Manhattan’s Grand Central Terminal and runs northeast through suburban New York and into Connecticut.
- 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_69ca84e7506c819095cbde4ff16512bb |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb3d498b481908f82f31f98b57c7e |
completed | April 2, 2026, 12:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1e46209988190b97aefee6cbddbad |
completed | April 5, 2026, 4:26 a.m. |
Created at: March 30, 2026, 8:36 p.m.