Triple

T8721017
Position Surface form Disambiguated ID Type / Status
Subject Granville–Paris line E207010 entity
Predicate hasAccident P32122 FINISHED
Object Montparnasse derailment E41189 NE FINISHED

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: Montparnasse derailment | Statement: [Granville–Paris line, hasAccident, Montparnasse derailment]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Montparnasse derailment
Context triple: [Granville–Paris line, hasAccident, Montparnasse derailment]
  • A. Montparnasse derailment chosen
    The Montparnasse derailment was a famous 1895 train accident in Paris in which a locomotive overran the buffers at Gare Montparnasse and dramatically crashed through the station wall onto the street below.
  • B. Hatfield rail crash
    The Hatfield rail crash was a fatal 2000 train derailment in Hertfordshire, England, that exposed serious track maintenance failures and triggered major reforms in the UK rail industry.
  • C. Ladbroke Grove rail crash
    The Ladbroke Grove rail crash was a major 1999 train collision near Paddington Station in London that resulted in 31 deaths, over 500 injuries, and significant scrutiny of UK rail safety and signaling practices.
  • D. Bad Kleinen railway station incident
    The Bad Kleinen railway station incident was a 1993 German police operation against members of the Red Army Faction that resulted in a deadly shootout and major controversy over law enforcement conduct.
  • E. Bois du Cazier mining disaster of 1956
    The Bois du Cazier mining disaster of 1956 was a catastrophic coal mine fire in Marcinelle, Belgium, that killed 262 miners—many of them Italian migrant workers—and became a landmark tragedy in European industrial and labor history.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca835811d8819081ea00fd2a2c9a1c completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc5d03f0848190a50c77e5cd028ee7 completed March 31, 2026, 11:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69cf516d9d9081909230441dd349dc9e completed April 3, 2026, 5:34 a.m.
Created at: March 30, 2026, 6:36 p.m.