Triple

T1422825
Position Surface form Disambiguated ID Type / Status
Subject Southern Pacific Cab Forward locomotive E30261 entity
Predicate railroadLineUsedOn P15040 FINISHED
Object Donner Pass route E1422 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 route | Statement: [Southern Pacific Cab Forward locomotive, railroadLineUsedOn, Donner Pass route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Donner Pass route
Context triple: [Southern Pacific Cab Forward locomotive, railroadLineUsedOn, Donner Pass route]
  • A. Donner Pass chosen
    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. Emmons–Winthrop route
    The Emmons–Winthrop route is a classic glacier climb and one of the standard, less-technical ascent routes to the summit of Mount Rainier in Washington State.
  • 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. Denali Highway
    Denali Highway is a remote, scenic road in Alaska known for its rugged wilderness landscapes, wildlife viewing, and views of the Alaska Range.
  • 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_69a498fb823c8190a67ce4c4837e641a completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c9df014081908a6e2f41ba012ecc completed March 1, 2026, 11:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad293cb8f0819085bea7914abf0683 completed March 8, 2026, 7:46 a.m.
Created at: March 1, 2026, 8 p.m.