Triple

T6911260
Position Surface form Disambiguated ID Type / Status
Subject Baltimore–Washington metropolitan area transportation network E159935 entity
Predicate servedByRail P522 FINISHED
Object Norfolk Southern Railway freight lines E11672 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 Railway freight lines | Statement: [Baltimore–Washington metropolitan area transportation network, servedByRail, Norfolk Southern Railway freight lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Norfolk Southern Railway freight lines
Context triple: [Baltimore–Washington metropolitan area transportation network, servedByRail, Norfolk Southern Railway freight lines]
  • A. 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.
  • B. 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.
  • C. CSX railroad line
    The CSX railroad line is a freight rail route operated by CSX Transportation that serves as a key corridor for moving goods through Columbiana, Alabama and the surrounding region.
  • D. Norfolk Southern Railway chosen
    Norfolk Southern Railway is a major U.S. freight railroad company operating an extensive rail network across the eastern United States.
  • E. Burlington Northern Santa Fe Railway main line
    The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, California.
  • 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_69c68839ccb88190b4aa5cc1aca3448f completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6d9c135b48190b332aedf1d52bdb7 completed March 27, 2026, 7:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7490c95548190a493d3fd23d1d7a5 completed March 28, 2026, 3:20 a.m.
Created at: March 27, 2026, 2:25 p.m.