Triple

T17856011
Position Surface form Disambiguated ID Type / Status
Subject Fukuchiyama Line E445937 entity
Predicate notableAccident P22 FINISHED
Object Amagasaki derailment NE NERFINISHED

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: Amagasaki derailment | Statement: [Fukuchiyama Line, notableAccident, Amagasaki derailment]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amagasaki derailment
Context triple: [Fukuchiyama Line, notableAccident, Amagasaki derailment]
  • A. Amagasaki derailment chosen
    The Amagasaki derailment was a deadly 2005 train accident in Hyōgo Prefecture, Japan, in which a commuter train left the tracks and crashed into an apartment building, prompting major scrutiny of railway safety practices.
  • B. Sakuragichō train fire
    The Sakuragichō train fire was a 1951 railway disaster in Yokohama, Japan, in which an overhead wire caused a blaze that killed more than 100 passengers and led to major safety reforms on Japanese trains.
  • C. Sakurada Gate Incident
    The Sakurada Gate Incident was an 1860 assassination of Japanese chief minister Ii Naosuke outside Edo Castle, a pivotal event that intensified political turmoil in the late Tokugawa shogunate.
  • D. Akō incident
    The Akō incident was an early 18th-century samurai vendetta in Japan, in which the forty-seven rōnin avenged their lord’s forced seppuku, later becoming a legendary example of loyalty and bushidō.
  • E. Hibiya Incendiary Incident
    The Hibiya Incendiary Incident was a 1905 anti-government riot in Tokyo sparked by public outrage over the terms of the Treaty of Portsmouth that ended the Russo-Japanese War.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8b9f26f18819089c9e43250bee6ae completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e4978bd5e081909e192f6aada5235f completed April 19, 2026, 8:51 a.m.
Created at: April 10, 2026, 10:17 a.m.