Triple

T20088727
Position Surface form Disambiguated ID Type / Status
Subject Nickel Plate Road 2-8-4 Berkshires E496208 entity
Predicate operatedOn P2572 FINISHED
Object Nickel Plate Road main line — NE NERFINISHED

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: Nickel Plate Road main line | Statement: [Nickel Plate Road 2-8-4 Berkshires, operatedOn, Nickel Plate Road main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nickel Plate Road main line
Context triple: [Nickel Plate Road 2-8-4 Berkshires, operatedOn, Nickel Plate Road main line]
  • A. Kansas City Southern Railway line
    The Kansas City Southern Railway line is a major freight rail route in the central and southern United States operated by the Kansas City Southern Railway, connecting key regional hubs and supporting significant commercial transport.
  • B. 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.
  • C. Huntington–Cincinnati main line
    The Huntington–Cincinnati main line is a key Chesapeake and Ohio Railway route that connected Huntington, West Virginia, with Cincinnati, Ohio, serving as an important freight and passenger corridor in the region.
  • D. Nickel Plate Road chosen
    Nickel Plate Road, formally known as the New York, Chicago and St. Louis Railroad, was a prominent Midwestern U.S. railroad famed for its fast freight service and iconic steam locomotives.
  • E. Culver Line
    The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69da626eee3881909f3454986d4a6511 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6655d65a88190a510132f36341b6c completed April 20, 2026, 5:41 p.m.
Created at: April 11, 2026, 11:17 p.m.