Triple

T6629111
Position Surface form Disambiguated ID Type / Status
Subject East Japan Railway Company E149875 entity
Predicate foundedFrom P29282 FINISHED
Object Japanese National Railways E55792 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: Japanese National Railways | Statement: [East Japan Railway Company, foundedFrom, Japanese National Railways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Japanese National Railways
Context triple: [East Japan Railway Company, foundedFrom, Japanese National Railways]
  • A. Japanese National Railways chosen
    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.
  • B. Japan Railways Group
    Japan Railways Group is a major network of regional railway companies in Japan that emerged from the privatization of the former Japanese National Railways and operates much of the country’s passenger rail services, including high-speed Shinkansen lines.
  • C. East Japan Railway Company
    East Japan Railway Company is a major Japanese railway operator that runs an extensive network of commuter and high-speed train services across eastern Honshu, including the Tokyo metropolitan area.
  • D. Japanese Government Railways
    Japanese Government Railways was the state-operated railway system of Japan that managed and expanded the country’s rail network before its postwar reorganization into Japanese National Railways.
  • E. West Japan Railway Company
    West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
  • 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_69c687ee50048190aa151765bef16193 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6afa4a08481908cb5a554f388f32a completed March 27, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c870539eb08190936adcfbab395654 completed March 29, 2026, 12:20 a.m.
Created at: March 27, 2026, 1:59 p.m.