Triple

T1090132
Position Surface form Disambiguated ID Type / Status
Subject Truckee River E24142 entity
Predicate passesNear P416 FINISHED
Object Union Pacific Railroad line over Donner Pass E6141 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: Union Pacific Railroad line over Donner Pass | Statement: [Truckee River, passesNear, Union Pacific Railroad line over Donner Pass]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union Pacific Railroad line over Donner Pass
Context triple: [Truckee River, passesNear, Union Pacific Railroad line over Donner Pass]
  • A. Central Pacific Railroad historic route chosen
    The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
  • B. Central Pacific Railroad
    The Central Pacific Railroad was a major 19th-century American railroad company that built the western portion of the First Transcontinental Railroad, linking California to the eastern United States and transforming transportation and commerce.
  • C. Burlington Northern Santa Fe Railway main line
    The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, California.
  • D. Sierra Nevada transportation corridor
    The Sierra Nevada transportation corridor is a major east–west route across California’s Sierra Nevada mountains that carries key highway and rail lines linking the state’s Central Valley with Nevada and the broader interior West.
  • E. White Pass & Yukon Route Railroad terminus
    The White Pass & Yukon Route Railroad terminus is the historic endpoint of the narrow-gauge mountain railway that served as a key transportation link during the Klondike Gold Rush and now operates as a popular heritage and tourist line.
  • 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_69a49404428c819092dcc9632f5f7b8b completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4b97f216881909e9b8943ce2078e4 completed March 1, 2026, 10:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac42b41618819087884c292db4ed55 completed March 7, 2026, 3:22 p.m.
Created at: March 1, 2026, 7:42 p.m.