Triple

T5957173
Position Surface form Disambiguated ID Type / Status
Subject Kasumigaseki, Chiyoda, Tokyo E132545 entity
Predicate hasAgency P3933 FINISHED
Object Japan Transport Safety Board
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.
 E558578 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: Japan Transport Safety Board | Statement: [Kasumigaseki, Chiyoda, Tokyo, hasAgency, Japan Transport Safety Board]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Japan Transport Safety Board
Context triple: [Kasumigaseki, Chiyoda, Tokyo, hasAgency, Japan Transport Safety Board]
  • A. 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.
  • B. Japan Civil Aviation Bureau
    The Japan Civil Aviation Bureau is the Japanese government agency responsible for overseeing and regulating civil aviation safety, operations, and standards within Japan.
  • C. 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.
  • D. 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.
  • E. Tokyo Metropolitan Bureau of Transportation
    The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
  • 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: Japan Transport Safety Board
Triple: [Kasumigaseki, Chiyoda, Tokyo, hasAgency, Japan Transport Safety Board]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Japan Transport Safety Board
Target entity description: 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.
  • A. 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.
  • B. Japan Civil Aviation Bureau
    The Japan Civil Aviation Bureau is the Japanese government agency responsible for overseeing and regulating civil aviation safety, operations, and standards within Japan.
  • C. 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.
  • D. 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.
  • E. Tokyo Metropolitan Bureau of Transportation
    The Tokyo Metropolitan Bureau of Transportation is the local government agency that operates key public transit services in Tokyo, including subways, trams, and buses.
  • F. None of above. chosen

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_69c0086b05cc8190a8f36a96927a525c completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c039c34ca881909a219eddf99348ab completed March 22, 2026, 6:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0e3dd99888190ac3eeef692a7d879 completed March 23, 2026, 6:55 a.m.
NEDg Description generation batch_69c0ed9c53d4819082c661cdd2d26612 completed March 23, 2026, 7:37 a.m.
NED2 Entity disambiguation (via description) batch_69c0ee2ffbc88190a256b5cb8a98f382 completed March 23, 2026, 7:39 a.m.
Created at: March 22, 2026, 4:02 p.m.