Triple

T1422824
Position Surface form Disambiguated ID Type / Status
Subject Southern Pacific Cab Forward locomotive E30261 entity
Predicate railroadLineUsedOn P15040 FINISHED
Object Shasta Route E15321 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: Shasta Route | Statement: [Southern Pacific Cab Forward locomotive, railroadLineUsedOn, Shasta Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shasta Route
Context triple: [Southern Pacific Cab Forward locomotive, railroadLineUsedOn, Shasta Route]
  • A. 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.
  • B. John Muir Trail
    The John Muir Trail is a long-distance hiking route in California renowned for its spectacular alpine scenery as it passes through Yosemite, Kings Canyon, and Sequoia National Parks.
  • C. Sierra Nevada transportation corridor chosen
    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.
  • D. High Sierra Trail
    The High Sierra Trail is a renowned long-distance hiking route in California’s Sierra Nevada that traverses dramatic alpine terrain from the western side of the range to Mount Whitney.
  • E. San Francisco Pass
    San Francisco Pass is a high-altitude Andean mountain pass on the border between Argentina and Chile, used as an international crossing near Nevado San Francisco.
  • 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_69ad232534f48190b1392c2fba119b7c completed March 8, 2026, 7:20 a.m.
Created at: March 1, 2026, 8 p.m.