Triple

T17966678
Position Surface form Disambiguated ID Type / Status
Subject Brétigny-sur-Orge E449225 entity
Predicate notableEvent P259 FINISHED
Object 2013 Brétigny-sur-Orge train derailment
The 2013 Brétigny-sur-Orge train derailment was a fatal railway accident in France in which a Paris–Limoges intercity train derailed at Brétigny-sur-Orge station, causing multiple deaths and injuries and prompting major safety investigations.
E1299457 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: 2013 Brétigny-sur-Orge train derailment | Statement: [Brétigny-sur-Orge, notableEvent, 2013 Brétigny-sur-Orge train derailment]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 2013 Brétigny-sur-Orge train derailment
Context triple: [Brétigny-sur-Orge, notableEvent, 2013 Brétigny-sur-Orge train derailment]
  • A. Montparnasse derailment
    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. 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.
  • D. Amagasaki derailment
    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.
  • E. Soham rail disaster
    The Soham rail disaster was a 1944 World War II incident in Cambridgeshire, England, in which a burning ammunition train was heroically brought to a halt before exploding, saving the town from catastrophic destruction.
  • 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: 2013 Brétigny-sur-Orge train derailment
Triple: [Brétigny-sur-Orge, notableEvent, 2013 Brétigny-sur-Orge train derailment]
Generated description
The 2013 Brétigny-sur-Orge train derailment was a fatal railway accident in France in which a Paris–Limoges intercity train derailed at Brétigny-sur-Orge station, causing multiple deaths and injuries and prompting major safety investigations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 2013 Brétigny-sur-Orge train derailment
Target entity description: The 2013 Brétigny-sur-Orge train derailment was a fatal railway accident in France in which a Paris–Limoges intercity train derailed at Brétigny-sur-Orge station, causing multiple deaths and injuries and prompting major safety investigations.
  • A. Montparnasse derailment
    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. 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.
  • D. Amagasaki derailment
    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.
  • E. Soham rail disaster
    The Soham rail disaster was a 1944 World War II incident in Cambridgeshire, England, in which a burning ammunition train was heroically brought to a halt before exploding, saving the town from catastrophic destruction.
  • 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_69d8b9f9927c8190a006110c8b996e61 completed April 10, 2026, 8:51 a.m.
NER Named-entity recognition batch_69e4b1380960819089a3c0dd7cd57e5e completed April 19, 2026, 10:40 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0330120d1881908801112f9f400cd0 completed May 12, 2026, 1:50 p.m.
NEDg Description generation batch_6a0333edd0188190aa87c462813527a6 completed May 12, 2026, 2:06 p.m.
NED2 Entity disambiguation (via description) batch_6a03347520ac8190b0b1ebfa122bfbf0 completed May 12, 2026, 2:08 p.m.
Created at: April 10, 2026, 10:22 a.m.