Triple

T1302234
Position Surface form Disambiguated ID Type / Status
Subject Polytechnique Montréal E27791 entity
Predicate notableEvent P259 FINISHED
Object École Polytechnique massacre
The École Polytechnique massacre was a 1989 antifeminist mass shooting at an engineering school in Montreal, Canada, in which 14 women were murdered and which profoundly impacted Canadian society and gun control laws.
E148704 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: École Polytechnique massacre | Statement: [Polytechnique Montréal, notableEvent, École Polytechnique massacre]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: École Polytechnique massacre
Context triple: [Polytechnique Montréal, notableEvent, École Polytechnique massacre]
  • A. Champ de Mars Massacre
    The Champ de Mars Massacre was a pivotal 1791 incident during the French Revolution in which troops fired on republican demonstrators in Paris, sharply deepening political divisions and radicalizing the revolutionary movement.
  • B. Massacre of Vassy
    The Massacre of Vassy was a 1562 attack by French Catholic troops on Huguenot worshippers that sparked open civil war and is widely seen as the event that ignited the French Wars of Religion.
  • C. September Massacres
    The September Massacres were a wave of brutal killings of prisoners in Paris in early September 1792, reflecting the radicalization and violent popular justice that marked a turning point in the French Revolution.
  • D. murder of Jean-Paul Marat
    The murder of Jean-Paul Marat was the 1793 assassination of the radical French revolutionary leader by Charlotte Corday during the French Revolution, famously immortalized in Jacques-Louis David’s painting "The Death of Marat."
  • E. Oradour-sur-Glane massacre
    The Oradour-sur-Glane massacre was a World War II atrocity in which German forces destroyed a French village and killed nearly all of its inhabitants, leaving the ruins preserved as a memorial.
  • 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: École Polytechnique massacre
Triple: [Polytechnique Montréal, notableEvent, École Polytechnique massacre]
Generated description
The École Polytechnique massacre was a 1989 antifeminist mass shooting at an engineering school in Montreal, Canada, in which 14 women were murdered and which profoundly impacted Canadian society and gun control laws.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: École Polytechnique massacre
Target entity description: The École Polytechnique massacre was a 1989 antifeminist mass shooting at an engineering school in Montreal, Canada, in which 14 women were murdered and which profoundly impacted Canadian society and gun control laws.
  • A. Champ de Mars Massacre
    The Champ de Mars Massacre was a pivotal 1791 incident during the French Revolution in which troops fired on republican demonstrators in Paris, sharply deepening political divisions and radicalizing the revolutionary movement.
  • B. Massacre of Vassy
    The Massacre of Vassy was a 1562 attack by French Catholic troops on Huguenot worshippers that sparked open civil war and is widely seen as the event that ignited the French Wars of Religion.
  • C. September Massacres
    The September Massacres were a wave of brutal killings of prisoners in Paris in early September 1792, reflecting the radicalization and violent popular justice that marked a turning point in the French Revolution.
  • D. murder of Jean-Paul Marat
    The murder of Jean-Paul Marat was the 1793 assassination of the radical French revolutionary leader by Charlotte Corday during the French Revolution, famously immortalized in Jacques-Louis David’s painting "The Death of Marat."
  • E. Oradour-sur-Glane massacre
    The Oradour-sur-Glane massacre was a World War II atrocity in which German forces destroyed a French village and killed nearly all of its inhabitants, leaving the ruins preserved as a memorial.
  • 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_69a496d6682881909ba658f1c1e0e2b0 completed March 1, 2026, 7:43 p.m.
NER Named-entity recognition batch_69a4c115ba64819081c55fa6807e19ef completed March 1, 2026, 10:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69acb3046a888190956f6bedb6ec589f completed March 7, 2026, 11:21 p.m.
NEDg Description generation batch_69acb370c7cc81908a78bb5438416db6 completed March 7, 2026, 11:23 p.m.
NED2 Entity disambiguation (via description) batch_69acb409b4d0819081266cf3e6c09164 completed March 7, 2026, 11:26 p.m.
Created at: March 1, 2026, 7:51 p.m.