Triple

T15910231
Position Surface form Disambiguated ID Type / Status
Subject 2023 East Palestine, Ohio train derailment E385828 entity
Predicate railLine P848 FINISHED
Object Norfolk Southern mainline through East Palestine E581822 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 mainline through East Palestine | Statement: [2023 East Palestine, Ohio train derailment, railLine, Norfolk Southern mainline through East Palestine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Norfolk Southern mainline through East Palestine
Context triple: [2023 East Palestine, Ohio train derailment, railLine, Norfolk Southern mainline through East Palestine]
  • A. Norfolk Southern Railway main line chosen
    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. Southern Main Line
    The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
  • C. CSX River Subdivision rail line
    The CSX River Subdivision rail line is a major freight railroad corridor running along the west bank of the Hudson River in New York, used primarily for long-distance cargo transport.
  • D. Norfolk Southern Pittsburgh Line
    The Norfolk Southern Pittsburgh Line is a major freight rail corridor crossing Pennsylvania, known for its heavy traffic, steep grades, and key role in linking the U.S. East Coast with the Midwest.
  • E. CSX mainline system
    The CSX mainline system is a core network of high-capacity freight rail routes that forms the backbone of CSX Transportation’s rail operations across the eastern United 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_69d86da686e4819097cbf3b1fc2d881d completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1565ea7a8819097efffda366b5245 completed April 16, 2026, 9:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffb05750ac81908860143f4ca26cc7 completed May 9, 2026, 10:08 p.m.
Created at: April 10, 2026, 4:52 a.m.