Triple

T23101960
Position Surface form Disambiguated ID Type / Status
Subject Ely E576053 entity
Predicate hasHistoricRailroad P28401 FINISHED
Object Nevada Northern Railway NE NERFINISHED

How this triple was built (3 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: Nevada Northern Railway | Statement: [Ely, hasHistoricRailroad, Nevada Northern Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nevada Northern Railway
Context triple: [Ely, hasHistoricRailroad, Nevada Northern Railway]
  • A. Nevada Northern Railway chosen
    The Nevada Northern Railway is a historic railway in eastern Nevada, preserved as a heritage line featuring original steam and diesel locomotives, vintage rolling stock, and museum facilities that showcase early 20th-century railroading.
  • B. Las Vegas and Tonopah Railroad
    The Las Vegas and Tonopah Railroad was an early 20th-century Nevada rail line that connected Las Vegas with mining boomtowns in the state’s south-central region, serving as a key carrier for ore, supplies, and passengers during the mining rush era.
  • C. Tonopah and Goldfield Railroad
    The Tonopah and Goldfield Railroad was an early 20th-century Nevada short line that served the mining boom towns of Tonopah and Goldfield, transporting ore, supplies, and passengers across the desert.
  • D. Tonopah and Tidewater Railroad
    The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
  • E. Virginia and Truckee Railroad
    The Virginia and Truckee Railroad was a historic 19th-century short-line railway in Nevada that played a crucial role in transporting ore, supplies, and passengers for the Comstock Lode mining boom.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasHistoricRailroad
Context triple: [Ely, hasHistoricRailroad, Nevada Northern Railway]
  • A. hasRailroadHistory chosen
    Indicates that an entity is associated with, involved in, or notable for historical events, operations, or developments related to railroads.
  • B. hasRailroadHistoryWith
    Indicates a historical relationship or connection between entities involving railroads, such as shared development, operation, or significant events in railway history.
  • C. followsFormerRailroad
    Indicates that something is aligned with or traces the route of a former railroad line.
  • D. formerRailroad
    Indicates that an entity was previously a railroad but no longer functions as one.
  • E. formerRailUse
    Indicates that an entity previously served a particular railway-related function or purpose, but no longer does so.
  • F. None of above.

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_69e245c060b48190a9bd61a47a16db17 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f18de9fa8c81909fd26ff37173b85b completed April 29, 2026, 4:49 a.m.
PD Predicate disambiguation batch_69ef89e5ce748190b2c3ac3843484127 completed April 27, 2026, 4:08 p.m.
Created at: April 17, 2026, 3:58 p.m.