Triple

T13759909
Position Surface form Disambiguated ID Type / Status
Subject Sandy Hook Elementary School shooting E330575 entity
Predicate weaponUsed P706 FINISHED
Object Bushmaster XM15-E2S rifle
The Bushmaster XM15-E2S rifle is a semi-automatic, AR-15–style firearm manufactured by Bushmaster Firearms, widely known for its use in several high-profile mass shootings in the United States.
E1060084 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: Bushmaster XM15-E2S rifle | Statement: [Sandy Hook Elementary School shooting, weaponUsed, Bushmaster XM15-E2S rifle]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bushmaster XM15-E2S rifle
Context triple: [Sandy Hook Elementary School shooting, weaponUsed, Bushmaster XM15-E2S rifle]
  • A. Bushmaster
    The Bushmaster is a heavily armored, mine-resistant infantry mobility vehicle widely used for troop transport and protection in modern military operations.
  • B. Bushmaster
    Bushmaster is a superpowered crime boss and martial artist in Marvel Comics, best known as a formidable adversary of Luke Cage.
  • C. Beretta ARX160
    The Beretta ARX160 is a modern Italian modular assault rifle designed for military and law enforcement use, featuring extensive polymer construction and quick-change barrel capability.
  • D. AK5 assault rifle
    The AK5 assault rifle is a Swedish-made, 5.56×45mm NATO service rifle that serves as the standard infantry weapon of the Swedish Armed Forces.
  • E. Ruger Mini-14 rifle
    The Ruger Mini-14 rifle is a semi-automatic, magazine-fed firearm popular for civilian sporting and tactical use, and infamously associated with several high-profile mass shootings.
  • 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: Bushmaster XM15-E2S rifle
Triple: [Sandy Hook Elementary School shooting, weaponUsed, Bushmaster XM15-E2S rifle]
Generated description
The Bushmaster XM15-E2S rifle is a semi-automatic, AR-15–style firearm manufactured by Bushmaster Firearms, widely known for its use in several high-profile mass shootings in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bushmaster XM15-E2S rifle
Target entity description: The Bushmaster XM15-E2S rifle is a semi-automatic, AR-15–style firearm manufactured by Bushmaster Firearms, widely known for its use in several high-profile mass shootings in the United States.
  • A. Bushmaster
    The Bushmaster is a heavily armored, mine-resistant infantry mobility vehicle widely used for troop transport and protection in modern military operations.
  • B. Bushmaster
    Bushmaster is a superpowered crime boss and martial artist in Marvel Comics, best known as a formidable adversary of Luke Cage.
  • C. Beretta ARX160
    The Beretta ARX160 is a modern Italian modular assault rifle designed for military and law enforcement use, featuring extensive polymer construction and quick-change barrel capability.
  • D. AK5 assault rifle
    The AK5 assault rifle is a Swedish-made, 5.56×45mm NATO service rifle that serves as the standard infantry weapon of the Swedish Armed Forces.
  • E. Ruger Mini-14 rifle
    The Ruger Mini-14 rifle is a semi-automatic, magazine-fed firearm popular for civilian sporting and tactical use, and infamously associated with several high-profile mass shootings.
  • 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_69d81c573f288190aa2403d484fa3d49 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de0223ab9081909db05334860405e0 completed April 14, 2026, 9 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7a8606dbc8190b0f7c38583986141 completed May 3, 2026, 7:56 p.m.
NEDg Description generation batch_69f7ac4f847c8190ab8be535e5399c79 completed May 3, 2026, 8:13 p.m.
NED2 Entity disambiguation (via description) batch_69f7acdf70f8819092700c7b6b619d13 completed May 3, 2026, 8:15 p.m.
Created at: April 9, 2026, 10:09 p.m.