Triple

T15965742
Position Surface form Disambiguated ID Type / Status
Subject Roanoke Shops E387185 entity
Predicate partOf P40 FINISHED
Object Norfolk and Western Railway system E83243 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: Norfolk and Western Railway system | Statement: [Roanoke Shops, partOf, Norfolk and Western Railway system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Norfolk and Western Railway system
Context triple: [Roanoke Shops, partOf, Norfolk and Western Railway system]
  • A. Norfolk and Western Railway chosen
    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.
  • B. Chesapeake and Ohio Railway
    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.
  • C. 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.
  • D. Piedmont and Northern Railway
    The Piedmont and Northern Railway was an early 20th-century electric interurban and freight railroad that operated in the Carolinas and later became part of larger southeastern U.S. rail systems.
  • E. Norfolk Southern Railway
    Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
  • 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_69d86da94ccc819083d187f5dc6a123e completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e157258b3c8190a72c868bd055ed94 completed April 16, 2026, 9:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffe46d180c81909be66f628d1bdf72 completed May 10, 2026, 1:50 a.m.
Created at: April 10, 2026, 4:54 a.m.