Triple

T12120165
Position Surface form Disambiguated ID Type / Status
Subject Amagasaki derailment E288671 entity
Predicate investigatedBy P6157 FINISHED
Object Japan Transport Safety Board E558578 NE FINISHED

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Japan Transport Safety Board
Context triple: [Amagasaki derailment, investigatedBy, Japan Transport Safety Board]
  • A. Japan Transport Safety Board chosen
    The Japan Transport Safety Board is a Japanese government body responsible for investigating accidents and incidents across aviation, rail, marine, and other transport modes to improve safety.
  • B. Road Transport Bureau of Japan
    The Road Transport Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s road transport systems and vehicle administration under the Ministry of Land, Infrastructure, Transport and Tourism.
  • C. Railway Bureau of Japan
    The Railway Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s railway systems and policies.
  • D. Japan transport authorities
    Japan transport authorities are the national government bodies responsible for regulating, overseeing, and enforcing standards for the country’s transportation systems, including rail operators like JR Shikoku.
  • E. Japanese National Railways
    Japanese National Railways was Japan’s former state-owned railway company that operated the country’s nationwide rail network until its privatization and breakup in 1987.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d6ab4b5e4c81909950b17151eb0951 elicitation completed
NER batch_69d91577a03c81909add7a5d7324a648 ner completed
NED1 batch_69f5f684172c81908b77daa243dc8ed8 ned_source_triple completed
Created at: April 8, 2026, 9:49 p.m.