Triple

T21645617
Position Surface form Disambiguated ID Type / Status
Subject Münchenstein E534204 entity
Predicate siteOf P1205 FINISHED
Object Münchenstein rail disaster
The Münchenstein rail disaster was a catastrophic 1891 railway bridge collapse near Basel, Switzerland, that became one of the country’s worst train accidents and prompted major changes in bridge engineering and rail safety.
E1494403 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: Münchenstein rail disaster | Statement: [Münchenstein, siteOf, Münchenstein rail disaster]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Münchenstein rail disaster
Context triple: [Münchenstein, siteOf, Münchenstein rail disaster]
  • A. Genthin rail disaster of 1939
    The Genthin rail disaster of 1939 was a catastrophic rear-end collision near Genthin, Germany, in which two express trains crashed, causing heavy loss of life and becoming one of the deadliest railway accidents in German history.
  • B. 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.
  • C. 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.
  • D. Bad Ems station
    Bad Ems station is a regional railway station in the spa town of Bad Ems in Rhineland-Palatinate, Germany, providing local rail connections along the Lahn Valley.
  • E. Bijlmer disaster
    The Bijlmer disaster was a 1992 aviation accident in Amsterdam in which an El Al cargo plane crashed into apartment buildings in the Bijlmermeer neighborhood, causing dozens of deaths and widespread 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: Münchenstein rail disaster
Triple: [Münchenstein, siteOf, Münchenstein rail disaster]
Generated description
The Münchenstein rail disaster was a catastrophic 1891 railway bridge collapse near Basel, Switzerland, that became one of the country’s worst train accidents and prompted major changes in bridge engineering and rail safety.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Münchenstein rail disaster
Target entity description: The Münchenstein rail disaster was a catastrophic 1891 railway bridge collapse near Basel, Switzerland, that became one of the country’s worst train accidents and prompted major changes in bridge engineering and rail safety.
  • A. Genthin rail disaster of 1939
    The Genthin rail disaster of 1939 was a catastrophic rear-end collision near Genthin, Germany, in which two express trains crashed, causing heavy loss of life and becoming one of the deadliest railway accidents in German history.
  • B. 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.
  • C. 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.
  • D. Bad Ems station
    Bad Ems station is a regional railway station in the spa town of Bad Ems in Rhineland-Palatinate, Germany, providing local rail connections along the Lahn Valley.
  • E. Bijlmer disaster
    The Bijlmer disaster was a 1992 aviation accident in Amsterdam in which an El Al cargo plane crashed into apartment buildings in the Bijlmermeer neighborhood, causing dozens of deaths and widespread 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_69e0c466aec88190ba39c7543dbc8ba2 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69ef5394c570819081dbbe7e0f98f7d3 completed April 27, 2026, 12:16 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a0fa44ca88190a8a55c1811edc5a1 completed May 17, 2026, 6:57 p.m.
NEDg Description generation batch_6a0a10c284548190abb5a0075f85ec2c completed May 17, 2026, 7:02 p.m.
NED2 Entity disambiguation (via description) batch_6a0a119cb17c8190a8732930b78b60cc completed May 17, 2026, 7:06 p.m.
Created at: April 16, 2026, 6:35 p.m.