Triple
T16817770
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak San Joaquins at Richmond station |
E408797
|
entity |
| Predicate | railLine |
P848
|
FINISHED |
| Object | BNSF Railway (San Joaquins route) |
E601736
|
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: BNSF Railway (San Joaquins route) | Statement: [Amtrak San Joaquins at Richmond station, railLine, BNSF Railway (San Joaquins route)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BNSF Railway (San Joaquins route) Context triple: [Amtrak San Joaquins at Richmond station, railLine, BNSF Railway (San Joaquins route)]
-
A.
Southern Pacific Siskiyou and Shasta routes
The Southern Pacific Siskiyou and Shasta routes were mountainous mainlines in Oregon and Northern California known for their steep grades, dramatic scenery, and heavy steam locomotive operations.
-
B.
California Western Railroad
California Western Railroad is a historic short-line railway in Northern California, best known for its scenic "Skunk Train" excursions through the redwood forests between Willits and Fort Bragg.
-
C.
Sacramento Northern Railway
The Sacramento Northern Railway was an interurban electric railway in Northern California that connected the San Francisco Bay Area with the Sacramento Valley and was later controlled by the Western Pacific Railroad.
-
D.
Union Pacific Railroad Coast Subdivision
The Union Pacific Railroad Coast Subdivision is a key rail corridor in California that carries both freight and commuter services, including trains operated by the Altamont Corridor Express.
-
E.
BNSF Railway line
chosen
The BNSF Railway line is a major freight and passenger rail corridor operated by BNSF Railway that runs through multiple Midwestern and Western states in the United States.
- 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_69d88394566c8190b3dcbdc72935f7fa |
completed | April 10, 2026, 4:59 a.m. |
| NER | Named-entity recognition | batch_69e3b2e30cf48190a61936ba0a49df24 |
completed | April 18, 2026, 4:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00b297778c81909a2545c359739151 |
completed | May 10, 2026, 4:30 p.m. |
Created at: April 10, 2026, 5:23 a.m.