Triple
T20756386
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Santa Clara station |
E510858
|
entity |
| Predicate | railLine |
P848
|
FINISHED |
| Object | UPRR Coast Subdivision |
—
|
NE NERFINISHED |
How this triple was built (3 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: UPRR Coast Subdivision | Statement: [Santa Clara station, railLine, UPRR Coast Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: UPRR Coast Subdivision Context triple: [Santa Clara station, railLine, UPRR Coast Subdivision]
-
A.
Hudson Subdivision
The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
-
B.
Mohawk Subdivision
The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
-
C.
Burlington Subdivision
Burlington Subdivision is a rail line operated by the New England Central Railroad, forming part of its regional freight rail network in the northeastern United States.
-
D.
CSX RF&P Subdivision
The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
-
E.
Seaboard main line
The Seaboard main line was a principal north–south railroad corridor in the southeastern United States, historically operated by the Seaboard Air Line Railroad and used by prominent passenger trains such as the Champion.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: UPRR Coast Subdivision Target entity description: UPRR Coast Subdivision is a Union Pacific Railroad main line in California that runs along the Pacific coast, serving numerous passenger and freight stations including Santa Clara.
-
A.
Hudson Subdivision
The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
-
B.
Mohawk Subdivision
The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
-
C.
Burlington Subdivision
Burlington Subdivision is a rail line operated by the New England Central Railroad, forming part of its regional freight rail network in the northeastern United States.
-
D.
CSX RF&P Subdivision
The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
-
E.
Seaboard main line
The Seaboard main line was a principal north–south railroad corridor in the southeastern United States, historically operated by the Seaboard Air Line Railroad and used by prominent passenger trains such as the Champion.
- F. None of above. chosen
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_69e0b4c909ec8190b05987f1639513f6 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c22fbc4c8190866a888612c6ad23 |
completed | April 21, 2026, 12:17 a.m. |
Created at: April 16, 2026, 12:35 p.m.