Triple

T20027681
Position Surface form Disambiguated ID Type / Status
Subject Chiswell Dabney Langhorne E495030 entity
Predicate employer P7 FINISHED
Object Virginia Midland 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: Virginia Midland Railway | Statement: [Chiswell Dabney Langhorne, employer, Virginia Midland Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Virginia Midland Railway
Context triple: [Chiswell Dabney Langhorne, employer, Virginia Midland Railway]
  • A. Virginia Central Railroad
    The Virginia Central Railroad was a 19th-century Virginia railway that played a key role in regional transportation and Civil War logistics before becoming a principal predecessor of the Chesapeake and Ohio Railway.
  • B. Virginian Railway
    The Virginian Railway was an early 20th-century American coal-hauling railroad that operated primarily in West Virginia and Virginia, renowned for its efficient, heavy-duty freight operations and later incorporation into the Norfolk and Western Railway.
  • C. Maryland Midland Railway
    Maryland Midland Railway is a regional short-line freight railroad operating in central Maryland and southern Pennsylvania, connecting local industries to the broader North American rail network.
  • D. Manassas Gap Railroad
    The Manassas Gap Railroad was a 19th-century rail line in northern Virginia that played a significant role in regional transportation and Civil War troop movements.
  • E. Western Maryland Railway
    Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Virginia Midland Railway
Target entity description: Virginia Midland Railway was a 19th-century American railroad company that operated in Virginia and later became part of the Southern Railway system.
  • A. Virginia Central Railroad
    The Virginia Central Railroad was a 19th-century Virginia railway that played a key role in regional transportation and Civil War logistics before becoming a principal predecessor of the Chesapeake and Ohio Railway.
  • B. Virginian Railway
    The Virginian Railway was an early 20th-century American coal-hauling railroad that operated primarily in West Virginia and Virginia, renowned for its efficient, heavy-duty freight operations and later incorporation into the Norfolk and Western Railway.
  • C. Maryland Midland Railway
    Maryland Midland Railway is a regional short-line freight railroad operating in central Maryland and southern Pennsylvania, connecting local industries to the broader North American rail network.
  • D. Manassas Gap Railroad
    The Manassas Gap Railroad was a 19th-century rail line in northern Virginia that played a significant role in regional transportation and Civil War troop movements.
  • E. Western Maryland Railway
    Western Maryland Railway was a historic regional railroad that operated primarily in Maryland, Pennsylvania, and West Virginia, known for hauling coal and freight through the Appalachian region before being absorbed into larger rail systems.
  • F. None of above. chosen

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_69da626bfd288190aa5d65098b6433ae completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6628f67e081909b9e69dfbe2127ce completed April 20, 2026, 5:29 p.m.
Created at: April 11, 2026, 3:35 p.m.