Triple

T12648373
Position Surface form Disambiguated ID Type / Status
Subject Japanese Government Railways E302090 entity
Predicate nativeName P15 FINISHED
Object 日本国有鉄道省営鉄道 E302090 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: 日本国有鉄道省営鉄道 | Statement: [Japanese Government Railways, nativeName, 日本国有鉄道省営鉄道]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 日本国有鉄道省営鉄道
Context triple: [Japanese Government Railways, nativeName, 日本国有鉄道省営鉄道]
  • A. Japanese Government Railways chosen
    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.
  • B. 日本国有鉄道清算事業団
    日本国有鉄道清算事業団は、日本国有鉄道（国鉄）の分割・民営化に伴い、その債務処理や資産整理を行うために設立された清算機関です。
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d7bdec9f9c8190b4bac675b7588211 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d9615cf6f48190bd0983cf7465ab15 completed April 10, 2026, 8:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6687bbb408190b80da2d0310f82c5 completed May 2, 2026, 9:11 p.m.
Created at: April 9, 2026, 5:17 p.m.