Triple

T12648378
Position Surface form Disambiguated ID Type / Status
Subject Japanese Government Railways E302090 entity
Predicate successor P78 FINISHED
Object Ministry of Railways (Japan)
The Ministry of Railways (Japan) was the former government ministry responsible for overseeing and operating Japan’s national railway system before its functions were reorganized under later transport authorities.
E713302 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: Ministry of Railways (Japan) | Statement: [Japanese Government Railways, successor, Ministry of Railways (Japan)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ministry of Railways (Japan)
Context triple: [Japanese Government Railways, successor, Ministry of Railways (Japan)]
  • A. 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.
  • B. Japan Railway Construction, Transport and Technology Agency
    The Japan Railway Construction, Transport and Technology Agency is a Japanese government-affiliated organization responsible for planning, financing, and developing railway and transport infrastructure projects, including high-speed rail lines.
  • 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. 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。
  • E. 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.
  • 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: Ministry of Railways (Japan)
Triple: [Japanese Government Railways, successor, Ministry of Railways (Japan)]
Generated description
The Ministry of Railways (Japan) was the former government ministry responsible for overseeing and operating Japan’s national railway system before its functions were reorganized under later transport authorities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ministry of Railways (Japan)
Target entity description: The Ministry of Railways (Japan) was the former government ministry responsible for overseeing and operating Japan’s national railway system before its functions were reorganized under later transport authorities.
  • A. Railway Bureau of Japan chosen
    The Railway Bureau of Japan is a governmental body responsible for planning, regulating, and overseeing the nation’s railway systems and policies.
  • B. Japan Railway Construction, Transport and Technology Agency
    The Japan Railway Construction, Transport and Technology Agency is a Japanese government-affiliated organization responsible for planning, financing, and developing railway and transport infrastructure projects, including high-speed rail lines.
  • 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. 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。
  • E. 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.
  • F. None of above.

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_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_69f6719a45d881908dd895836a225781 completed May 2, 2026, 9:50 p.m.
NEDg Description generation batch_69f6751f79148190a1735abf489fd106 completed May 2, 2026, 10:05 p.m.
NED2 Entity disambiguation (via description) batch_69f675d17c9c8190853fe3001944a7d3 completed May 2, 2026, 10:08 p.m.
Created at: April 9, 2026, 5:17 p.m.