Triple

T6298127
Position Surface form Disambiguated ID Type / Status
Subject Salisbury Amtrak station E141181 entity
Predicate railwayLine P848 FINISHED
Object 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.
E581822 NE FINISHED

How this triple was built (4 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 main line | Statement: [Salisbury Amtrak station, railwayLine, Norfolk Southern Railway main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Norfolk Southern Railway main line
Context triple: [Salisbury Amtrak station, railwayLine, Norfolk Southern Railway main line]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Northern Main Line
    The Northern Main Line is a major Swedish railway route that runs through central and northern Sweden, connecting Stockholm with key inland and northern regions.
  • E. New York Central Railroad main line
    The New York Central Railroad main line, famously known as the Water Level Route, was a major U.S. rail corridor connecting the Midwest to the East Coast along relatively flat terrain that followed river valleys and the Great Lakes.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Norfolk Southern Railway main line
Triple: [Salisbury Amtrak station, railwayLine, Norfolk Southern Railway main line]
Generated description
The Norfolk Southern Railway main line is a major freight and passenger rail corridor in the eastern United States operated by Norfolk Southern Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Norfolk Southern Railway main line
Target entity description: The Norfolk Southern Railway main line is a major freight and passenger rail corridor in the eastern United States operated by Norfolk Southern Railway.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Northern Main Line
    The Northern Main Line is a major Swedish railway route that runs through central and northern Sweden, connecting Stockholm with key inland and northern regions.
  • E. New York Central Railroad main line
    The New York Central Railroad main line, famously known as the Water Level Route, was a major U.S. rail corridor connecting the Midwest to the East Coast along relatively flat terrain that followed river valleys and the Great Lakes.
  • F. None of above. chosen

Provenance (5 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_69c008cf0ad4819095def81e2bd42f9f completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0643bd0748190af7abbebb6f94242 completed March 22, 2026, 9:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69c51993b8ec8190a0813d66851ac201 completed March 26, 2026, 11:33 a.m.
NEDg Description generation batch_69c51eaa277c81908a4566da138c8047 completed March 26, 2026, 11:55 a.m.
NED2 Entity disambiguation (via description) batch_69c51f583f788190ac716a02f584f093 completed March 26, 2026, 11:58 a.m.
Created at: March 22, 2026, 4:27 p.m.