Triple

T2470031
Position Surface form Disambiguated ID Type / Status
Subject West Japan Railway Company E55347 entity
Predicate parentOrganization P254 FINISHED
Object 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.
 E283781 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 Railways Group | Statement: [West Japan Railway Company, parentOrganization, Japan Railways Group]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Japan Railways Group
Context triple: [West Japan Railway Company, parentOrganization, Japan Railways Group]
  • 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. 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.
  • C. 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.
  • D. Central Japan Railway Company
    Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
  • E. Kinki Sharyo
    Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
  • 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 Railways Group
Triple: [West Japan Railway Company, parentOrganization, Japan Railways Group]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Japan Railways Group
Target entity description: 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.
  • 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. 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.
  • C. 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.
  • D. Central Japan Railway Company
    Central Japan Railway Company is a major Japanese railway operator best known for running the Tokaido Shinkansen high-speed rail line connecting Tokyo, Nagoya, and Osaka.
  • E. Kinki Sharyo
    Kinki Sharyo is a Japanese manufacturer specializing in the design and production of railway vehicles, including metro and light rail trains used in systems worldwide.
  • 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_69ab49e3622c8190ad22afa2c4fbb807 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd135c64881908cccde3317d14b67 completed March 7, 2026, 7:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69af906499688190a21984590b8caadc completed March 10, 2026, 3:30 a.m.
NEDg Description generation batch_69af90f63dac8190b3282b5029d22fab completed March 10, 2026, 3:33 a.m.
NED2 Entity disambiguation (via description) batch_69af918e7b50819082f37f9cdb3271a2 completed March 10, 2026, 3:35 a.m.
Created at: March 6, 2026, 9:44 p.m.