Triple

T8255255
Position Surface form Disambiguated ID Type / Status
Subject Summit Tunnel in the Sierra Nevada E193054 entity
Predicate associatedWith P37 FINISHED
Object Donner Pass railroad route E675995 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: Donner Pass railroad route | Statement: [Summit Tunnel in the Sierra Nevada, associatedWith, Donner Pass railroad route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Donner Pass railroad route
Context triple: [Summit Tunnel in the Sierra Nevada, associatedWith, Donner Pass railroad route]
  • A. Donner Pass
    Donner Pass is a historically significant mountain pass in California’s Sierra Nevada, known for its challenging terrain, transcontinental railroad route, and the ill-fated Donner Party.
  • B. Southern Pacific Donner Pass line chosen
    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. Applegate–Lassen Route
    The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
  • D. Shasta Route
    The Shasta Route was a scenic rail line in the Pacific Northwest known for connecting California and Oregon through the Cascade Range under the Southern Pacific Railroad.
  • E. California Trail
    The California Trail was a major 19th-century overland wagon route that carried hundreds of thousands of emigrants westward to California, especially during the California Gold Rush.
  • 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78f9f680819088f1d56e0f98974f completed March 31, 2026, 7:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd681457908190b39fa034e9ca05d5 completed April 1, 2026, 6:46 p.m.
Created at: March 30, 2026, 5:48 p.m.