Triple

T16513822
Position Surface form Disambiguated ID Type / Status
Subject Norfolk Southern trackage in Indiana and Illinois E401128 entity
Predicate partOf P40 FINISHED
Object Norfolk Southern Midwestern rail network E401128 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 Southern Midwestern rail network | Statement: [Norfolk Southern trackage in Indiana and Illinois, partOf, Norfolk Southern Midwestern rail network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Norfolk Southern Midwestern rail network
Context triple: [Norfolk Southern trackage in Indiana and Illinois, partOf, Norfolk Southern Midwestern rail network]
  • A. Norfolk Southern Southern Tier Line
    The Norfolk Southern Southern Tier Line is a freight rail corridor in New York State that also hosts Metro-North’s Port Jervis Line commuter service.
  • B. Norfolk Southern trackage in Indiana and Illinois chosen
    Norfolk Southern trackage in Indiana and Illinois is a segment of the freight railroad’s Midwestern rail network that also hosts intercity passenger services such as Amtrak’s Wolverine route.
  • C. 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.
  • D. Norfolk Southern Railway main line
    The Norfolk Southern Railway main line is a major freight and passenger rail corridor in the eastern United States operated by Norfolk Southern Railway.
  • E. 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.
  • 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_69d88381f6148190819958a038be990e completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e32e78d4848190a55de9902115b1b2 completed April 18, 2026, 7:10 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0067a59eb48190901ba7907c09639d completed May 10, 2026, 11:10 a.m.
Created at: April 10, 2026, 5:14 a.m.