Triple

T17447214
Position Surface form Disambiguated ID Type / Status
Subject Leadville Colorado & Southern Railroad E424815 entity
Predicate heritageFrom P20591 FINISHED
Object Colorado & Southern Railway — 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: Colorado & Southern Railway | Statement: [Leadville Colorado & Southern Railroad, heritageFrom, Colorado & Southern Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Colorado & Southern Railway
Context triple: [Leadville Colorado & Southern Railroad, heritageFrom, Colorado & Southern Railway]
  • A. Colorado & Southern Railway chosen
    The Colorado & Southern Railway was a historic regional railroad in the central United States that served Colorado and neighboring states, playing a key role in the development of mining and mountain communities in the late 19th and early 20th centuries.
  • B. Denver and Rio Grande Western Railroad
    The Denver and Rio Grande Western Railroad was a historic U.S. railroad known for its scenic mountain routes through Colorado and Utah and its role in transcontinental passenger and freight service.
  • C. Leadville Colorado & Southern Railroad
    The Leadville Colorado & Southern Railroad is a heritage tourist railway in Leadville, Colorado, offering scenic rides through the Rocky Mountains along historic narrow-gauge mining routes.
  • D. Carson and Colorado Railway
    The Carson and Colorado Railway was a narrow-gauge railroad that operated in the late 19th and early 20th centuries, primarily serving remote mining regions in Nevada and eastern California.
  • E. Atchison, Topeka and Santa Fe Railway
    The Atchison, Topeka and Santa Fe Railway was a major American railroad that became one of the largest and most influential rail systems in the United States, central to the development of the Southwest.
  • 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_69d889db0ba481908402409af3b37917 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e44ffc89e4819096372cc55b40cc3b completed April 19, 2026, 3:46 a.m.
Created at: April 10, 2026, 5:47 a.m.