Triple
T21098366
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lancaster station (Pennsylvania) |
E519827
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Pennsylvanian (train) |
—
|
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: Pennsylvanian (train) | Statement: [Lancaster station (Pennsylvania), servedBy, Pennsylvanian (train)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pennsylvanian (train) Context triple: [Lancaster station (Pennsylvania), servedBy, Pennsylvanian (train)]
-
A.
Pennsylvanian (train)
chosen
The Pennsylvanian is an Amtrak passenger train service that operates between New York City and Pittsburgh, Pennsylvania, traversing the scenic Keystone Corridor and the Allegheny Mountains.
-
B.
Pennsylvania Railroad’s Congressional Limited
Pennsylvania Railroad’s Congressional Limited was a premier high-speed passenger train that operated between New York City and Washington, D.C., symbolizing luxury and efficiency in early- to mid-20th-century American rail travel.
-
C.
Stagecoach Rail
Stagecoach Rail was the rail transport division of Stagecoach Group, operating passenger train services in the United Kingdom before the brand was retired.
-
D.
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.
-
E.
Amtrak Pennsylvanian
Amtrak Pennsylvanian is a daily intercity passenger train operated by Amtrak between New York City and Pittsburgh, Pennsylvania, via Philadelphia and Harrisburg.
- 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_69e0b508d8dc81909be940dafe36c8f7 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e71b5a3a9481908e30fba9717dc461 |
completed | April 21, 2026, 6:38 a.m. |
Created at: April 16, 2026, 2:52 p.m.