Triple

T11261730
Position Surface form Disambiguated ID Type / Status
Subject Shasta Route E266576 entity
Predicate marketingNameFor P24366 FINISHED
Object Southern Pacific main line between California and Oregon E678533 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: Southern Pacific main line between California and Oregon | Statement: [Shasta Route, marketingNameFor, Southern Pacific main line between California and Oregon]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southern Pacific main line between California and Oregon
Context triple: [Shasta Route, marketingNameFor, Southern Pacific main line between California and Oregon]
  • A. Southern Pacific main line in California’s Central Valley
    The Southern Pacific main line in California’s Central Valley was a major north–south railroad corridor that formed the backbone of freight and passenger rail service through the state’s agricultural heartland.
  • B. Central Pacific line from Sacramento, California
    The Central Pacific line from Sacramento, California was the western segment of the first U.S. transcontinental railroad, built eastward over the Sierra Nevada to meet the Union Pacific line at Promontory Summit in 1869.
  • C. 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.
  • D. Union Pacific Railroad line
    The Union Pacific Railroad line is a major freight rail route in the western United States operated by Union Pacific Railroad, one of the largest railroad networks in North America.
  • E. 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.
  • 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_69d6aac7953c8190b82caf9d7640fdf9 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e94c066c8190be1e032eb328e5fe completed April 9, 2026, 6 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4ccba233481909f00ebe2237c4f0c completed April 19, 2026, 12:38 p.m.
Created at: April 8, 2026, 9:31 p.m.