Triple

T15318529
Position Surface form Disambiguated ID Type / Status
Subject RF&P Subdivision E366225 entity
Predicate followsFormerRouteOf P2127 FINISHED
Object Richmond, Fredericksburg and Potomac Railroad main line E198158 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: Richmond, Fredericksburg and Potomac Railroad main line | Statement: [RF&P Subdivision, followsFormerRouteOf, Richmond, Fredericksburg and Potomac Railroad main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Richmond, Fredericksburg and Potomac Railroad main line
Context triple: [RF&P Subdivision, followsFormerRouteOf, Richmond, Fredericksburg and Potomac Railroad main line]
  • A. Richmond, Fredericksburg and Potomac Railroad chosen
    The Richmond, Fredericksburg and Potomac Railroad was a historic rail line in Virginia that served as a key north–south transportation corridor linking Washington, D.C. with Richmond and points south.
  • B. VRE Manassas Line
    The VRE Manassas Line is a Virginia Railway Express commuter rail route connecting Washington, D.C. with communities in Northern Virginia, including the city of Manassas.
  • C. Chambersburg–Hagerstown line
    The Chambersburg–Hagerstown line is a historic railroad route in the Cumberland Valley region that connected Chambersburg, Pennsylvania, with Hagerstown, Maryland, facilitating regional trade and transportation.
  • D. Alexandria, Loudoun and Hampshire Railroad
    The Alexandria, Loudoun and Hampshire Railroad was a 19th-century Virginia railway line that played a strategic role during the American Civil War, including in early engagements such as the Battle of Vienna.
  • E. Richmond and Petersburg Railroad
    The Richmond and Petersburg Railroad was a 19th-century rail line in Virginia that played a key role in connecting Richmond to southern routes and later became part of larger systems like the Atlantic Coast Line Railroad.
  • 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_69d85a121520819093dcce999fdefe1a completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03dd356b881908f054b64eee6a371 completed April 16, 2026, 1:39 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff01e9d14c8190bb095d6d5c8ffd6e completed May 9, 2026, 9:44 a.m.
Created at: April 10, 2026, 3:16 a.m.