Triple

T16938544
Position Surface form Disambiguated ID Type / Status
Subject Richmond and Danville Railroad E410887 entity
Predicate predecessor P97 FINISHED
Object Southern Railway (system) in Virginia and the Southeast E84776 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: Southern Railway (system) in Virginia and the Southeast | Statement: [Richmond and Danville Railroad, predecessor, Southern Railway (system) in Virginia and the Southeast]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southern Railway (system) in Virginia and the Southeast
Context triple: [Richmond and Danville Railroad, predecessor, Southern Railway (system) in Virginia and the Southeast]
  • A. Southern Railway (U.S.) chosen
    Southern Railway (U.S.) was a major American Class I railroad that operated primarily in the southeastern United States before becoming a key predecessor of Norfolk Southern Railway.
  • B. Southern rail network
    The Southern rail network is a major commuter and regional railway system in southern England, serving London and surrounding counties with frequent suburban and interurban services.
  • C. Piedmont railway network
    The Piedmont railway network is the regional rail system serving Italy’s Piedmont region, connecting its cities and towns through an integrated web of passenger and freight lines.
  • D. Southern Railway
    Southern Railway is a major railway line in Austria that connects Vienna with the southern regions and serves as an important international transit route through the Alps.
  • E. Southern Railway
    Southern Railway is one of the zones of Indian Railways, administering and operating rail services across much of South India, including Tamil Nadu and parts of neighboring 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_69d886c886688190967be07322597ac9 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3cf2b88bc8190aeb7b07032478ae3 completed April 18, 2026, 6:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00cfe7e75881908f95b1d859dd67e4 completed May 10, 2026, 6:35 p.m.
Created at: April 10, 2026, 5:30 a.m.