Triple
T20537582
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Pacific GS-3 |
E504239
|
entity |
| Predicate | railwayLineServed |
P848
|
FINISHED |
| Object | Southern Pacific Shasta Route |
—
|
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: Southern Pacific Shasta Route | Statement: [Southern Pacific GS-3, railwayLineServed, Southern Pacific Shasta Route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern Pacific Shasta Route Context triple: [Southern Pacific GS-3, railwayLineServed, Southern Pacific Shasta Route]
-
A.
Southern Pacific Siskiyou and Shasta routes
chosen
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.
Southern Pacific Donner Pass line
The Southern Pacific Donner Pass line is a historic and treacherous trans-Sierra Nevada railroad route in California, renowned for its steep grades, heavy snowfall, and vital role in westward rail transportation.
-
C.
Union Pacific West Line
The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
-
D.
Southern Pacific Sunset Route
The Southern Pacific Sunset Route was a major transcontinental rail line operated by the Southern Pacific Railroad, connecting the U.S. Gulf Coast and Pacific Coast as a key southern corridor for freight and passenger service.
-
E.
San Joaquins route
The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
- 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_69e0b4b476648190bc6019622ae54d3c |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6a28f2f1081908f656d790ff182ff |
completed | April 20, 2026, 10:02 p.m. |
Created at: April 16, 2026, 11:37 a.m.