Triple
T9512952
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sandusky Amtrak station |
E229446
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Amtrak Capitol Limited route |
E55777
|
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 Capitol Limited route | Statement: [Sandusky Amtrak station, railwayLine, Amtrak Capitol Limited route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Capitol Limited route Context triple: [Sandusky Amtrak station, railwayLine, Amtrak Capitol Limited route]
-
A.
Amtrak Northeast Corridor routes
Amtrak Northeast Corridor routes are the heavily traveled passenger rail lines connecting major cities from Boston through New York and Philadelphia to Washington, D.C., forming the busiest and most important rail corridor in the United States.
-
B.
Amtrak Capitol Limited
chosen
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.
-
C.
Amtrak Valley Flyer
Amtrak Valley Flyer is a regional passenger rail service operated by Amtrak in New England, providing connections between western Massachusetts and central Connecticut as part of the broader Northeast rail network.
-
D.
Amtrak Keystone Service
Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
-
E.
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.
- 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_69ca84777560819084cddd999badc1aa |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd986aa99c8190b2eaa7f9b111aa2e |
completed | April 1, 2026, 10:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d14c1092bc8190917d71e2b6f62c25 |
completed | April 4, 2026, 5:36 p.m. |
Created at: March 30, 2026, 7:58 p.m.