Triple

T2835720
Position Surface form Disambiguated ID Type / Status
Subject Chessie System E62343 entity
Predicate parentCompanyOf P254 FINISHED
Object Chesapeake and Ohio Railway E63425 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: Chesapeake and Ohio Railway | Statement: [Chessie System, parentCompanyOf, Chesapeake and Ohio Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chesapeake and Ohio Railway
Context triple: [Chessie System, parentCompanyOf, Chesapeake and Ohio Railway]
  • A. Chesapeake and Ohio Railway chosen
    The Chesapeake and Ohio Railway was a major American railroad best known for hauling Appalachian coal and operating key routes through the Mid-Atlantic and Midwest before becoming part of the modern CSX rail system.
  • B. Norfolk and Western Railway
    Norfolk and Western Railway was a major American railroad known for its coal-hauling operations and distinctive steam locomotive fleet, which later became part of Norfolk Southern Railway through merger.
  • C. Baltimore and Ohio Railroad
    The Baltimore and Ohio Railroad was one of the earliest and most influential American railroads, playing a key role in the development of U.S. transportation and commerce in the 19th and early 20th centuries.
  • D. Louisville and Nashville Railroad
    The Louisville and Nashville Railroad was a major U.S. railroad company that operated across the southeastern United States from the 19th century into the late 20th century, playing a key role in regional freight and passenger transportation.
  • E. Seaboard System Railroad
    Seaboard System Railroad was a major U.S. freight railroad of the 1980s that consolidated several southeastern carriers and later became part of CSX Transportation.
  • 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_69ab4c3c39188190955b9c49d98463d8 completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdeec60a08190b76b52042713d647 completed March 7, 2026, 8:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69afe8c890508190868f50f4e5e1d642 completed March 10, 2026, 9:47 a.m.
Created at: March 6, 2026, 10:01 p.m.