Triple
T7439628
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Keystone Service |
E171711
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Amtrak Pennsylvanian |
E304177
|
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 Pennsylvanian | Statement: [Amtrak Keystone Service, connectsWith, Amtrak Pennsylvanian]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Pennsylvanian Context triple: [Amtrak Keystone Service, connectsWith, Amtrak Pennsylvanian]
-
A.
Amtrak Pennsylvanian
chosen
Amtrak Pennsylvanian is a daily intercity passenger train operated by Amtrak between New York City and Pittsburgh, Pennsylvania, via Philadelphia and Harrisburg.
-
B.
Amtrak Cardinal
Amtrak Cardinal is a long-distance passenger train operated by Amtrak that runs between New York City and Chicago via Washington, D.C., Charlottesville, and Cincinnati, offering scenic views through the Appalachian Mountains.
-
C.
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.
-
D.
Amtrak Lake Shore Limited
Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
-
E.
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.
- 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_69c68a64228c8190affaec2a8127ce7b |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f34c28648190a426b5d7623b41e8 |
completed | March 27, 2026, 9:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c84ee844cc819081f44426658c7e27 |
completed | March 28, 2026, 9:58 p.m. |
Created at: March 27, 2026, 3:13 p.m.