Triple

T210164
Position Surface form Disambiguated ID Type / Status
Subject Assassination of John F. Kennedy E4697 entity
Predicate weaponUsed P706 FINISHED
Object Carcano rifle
The Carcano rifle is an Italian bolt-action military rifle most widely known as the weapon used by Lee Harvey Oswald in the assassination of U.S. President John F. Kennedy.
E26852 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: Carcano rifle | Statement: [Assassination of John F. Kennedy, weaponUsed, Carcano rifle]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Carcano rifle
Context triple: [Assassination of John F. Kennedy, weaponUsed, Carcano rifle]
  • A. Beretta M1934 pistol
    The Beretta M1934 pistol is an Italian semi-automatic handgun widely used in the mid-20th century, notably as the firearm employed in the assassination of Mahatma Gandhi.
  • B. Beryl assault rifle
    The Beryl assault rifle is a Polish-designed 5.56×45mm NATO service rifle widely used as the primary infantry weapon of Poland’s armed forces.
  • C. SA80 assault rifle
    The SA80 assault rifle is the standard-issue bullpup infantry weapon of the British Armed Forces, known for its compact design and multiple modernization upgrades since its introduction in the 1980s.
  • D. Derringer pistol
    The Derringer pistol is a small, easily concealed single-shot handgun historically infamous as the type of weapon used to kill U.S. President Abraham Lincoln.
  • E. Mauser BK-27 27 mm cannon
    The Mauser BK-27 is a German-designed 27 mm revolver cannon widely used in modern fighter aircraft for high-rate, accurate air-to-air and air-to-ground fire.
  • 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: Carcano rifle
Triple: [Assassination of John F. Kennedy, weaponUsed, Carcano rifle]
Generated description
The Carcano rifle is an Italian bolt-action military rifle most widely known as the weapon used by Lee Harvey Oswald in the assassination of U.S. President John F. Kennedy.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Carcano rifle
Target entity description: The Carcano rifle is an Italian bolt-action military rifle most widely known as the weapon used by Lee Harvey Oswald in the assassination of U.S. President John F. Kennedy.
  • A. Beretta M1934 pistol
    The Beretta M1934 pistol is an Italian semi-automatic handgun widely used in the mid-20th century, notably as the firearm employed in the assassination of Mahatma Gandhi.
  • B. Beryl assault rifle
    The Beryl assault rifle is a Polish-designed 5.56×45mm NATO service rifle widely used as the primary infantry weapon of Poland’s armed forces.
  • C. SA80 assault rifle
    The SA80 assault rifle is the standard-issue bullpup infantry weapon of the British Armed Forces, known for its compact design and multiple modernization upgrades since its introduction in the 1980s.
  • D. Derringer pistol
    The Derringer pistol is a small, easily concealed single-shot handgun historically infamous as the type of weapon used to kill U.S. President Abraham Lincoln.
  • E. Mauser BK-27 27 mm cannon
    The Mauser BK-27 is a German-designed 27 mm revolver cannon widely used in modern fighter aircraft for high-rate, accurate air-to-air and air-to-ground fire.
  • 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_69a2575cb1dc8190a01ad332426dc339 completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25c2ead8481909996042efcae5e9d completed Feb. 28, 2026, 3:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69a332c9e99081909026bf5bfeb6c86c completed Feb. 28, 2026, 6:24 p.m.
NEDg Description generation batch_69a33326c71c81908c02320901915ce3 completed Feb. 28, 2026, 6:25 p.m.
NED2 Entity disambiguation (via description) batch_69a3338948808190b6fd60524c721fd5 completed Feb. 28, 2026, 6:27 p.m.
Created at: Feb. 28, 2026, 2:52 a.m.