Triple

T2687182
Position Surface form Disambiguated ID Type / Status
Subject Amagasaki derailment E57510 entity
Predicate operatorAtTime P30229 FINISHED
Object West Japan Railway Company E55347 NE FINISHED

How this triple was built (3 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: West Japan Railway Company | Statement: [Amagasaki derailment, operatorAtTime, West Japan Railway Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Japan Railway Company
Context triple: [Amagasaki derailment, operatorAtTime, West Japan Railway Company]
  • A. West Japan Railway Company chosen
    West Japan Railway Company is one of Japan’s major regional railway operators, managing extensive rail networks across western Honshu including the Kansai area.
  • 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. 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.
  • D. 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.
  • 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.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: operatorAtTime
Context triple: [Amagasaki derailment, operatorAtTime, West Japan Railway Company]
  • A. operatorAtTimeOfTest
    Indicates that a specific operator was responsible for or active at the time a particular test was conducted.
  • B. operatedAt
    Indicates that an operation, procedure, or activity was performed at a specific location or facility.
  • C. associatedWithTime
    Indicates a relationship where something is linked or connected to a specific point or period in time.
  • D. occursAt
    Indicates that an event or action takes place at a specific time or location.
  • E. timeIndexed chosen
    Indicates that the relationship or property it connects is associated with, or valid during, a specific time or time interval.
  • F. None of above.

Provenance (4 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_69ab4a5028388190a36f3baf1588309e completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd9f080108190ab662a3a064cb5a9 completed March 7, 2026, 7:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69b4fad35a0c8190a07cc7877fbfec04 completed March 14, 2026, 6:06 a.m.
PD Predicate disambiguation batch_69abd81c9b4c81908e5e0da6ac5f828b completed March 7, 2026, 7:47 a.m.
Created at: March 6, 2026, 9:54 p.m.