Triple

T13309813
Position Surface form Disambiguated ID Type / Status
Subject Columbine High School massacre E317029 entity
Predicate weaponUsed P706 FINISHED
Object Stevens 311D double-barreled shotgun
The Stevens 311D is a side-by-side double-barreled 12-gauge shotgun known in part for its use in the Columbine High School massacre.
E1033982 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: Stevens 311D double-barreled shotgun | Statement: [Columbine High School massacre, weaponUsed, Stevens 311D double-barreled shotgun]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Stevens 311D double-barreled shotgun
Context triple: [Columbine High School massacre, weaponUsed, Stevens 311D double-barreled shotgun]
  • A. Savage-Springfield 67H shotgun
    The Savage-Springfield 67H shotgun is a pump-action shotgun model that gained notoriety for its use in the Columbine High School massacre.
  • B. Hellfire Shotguns
    Hellfire Shotguns are Reaper’s signature twin shotguns in the Overwatch universe, known for their devastating close-range damage and brutal, relentless style.
  • C. The Brocket Arms
    The Brocket Arms is a historic country pub and inn located in the rural village of Ayot St Lawrence in Hertfordshire, England.
  • D. Winchester Model 1873 rifle
    The Winchester Model 1873 rifle is a famous lever-action repeating rifle, often called “The Gun that Won the West” for its widespread use in the American frontier era.
  • E. Brooke rifle
    The Brooke rifle was a Confederate heavy rifled cannon used in coastal defenses and aboard warships during the American Civil War.
  • 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: Stevens 311D double-barreled shotgun
Triple: [Columbine High School massacre, weaponUsed, Stevens 311D double-barreled shotgun]
Generated description
The Stevens 311D is a side-by-side double-barreled 12-gauge shotgun known in part for its use in the Columbine High School massacre.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Stevens 311D double-barreled shotgun
Target entity description: The Stevens 311D is a side-by-side double-barreled 12-gauge shotgun known in part for its use in the Columbine High School massacre.
  • A. Savage-Springfield 67H shotgun
    The Savage-Springfield 67H shotgun is a pump-action shotgun model that gained notoriety for its use in the Columbine High School massacre.
  • B. Hellfire Shotguns
    Hellfire Shotguns are Reaper’s signature twin shotguns in the Overwatch universe, known for their devastating close-range damage and brutal, relentless style.
  • C. The Brocket Arms
    The Brocket Arms is a historic country pub and inn located in the rural village of Ayot St Lawrence in Hertfordshire, England.
  • D. Winchester Model 1873 rifle
    The Winchester Model 1873 rifle is a famous lever-action repeating rifle, often called “The Gun that Won the West” for its widespread use in the American frontier era.
  • E. Brooke rifle
    The Brooke rifle was a Confederate heavy rifled cannon used in coastal defenses and aboard warships during the American Civil War.
  • 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_69d806b40ab4819094adf6c374f4811a completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d990f56abc8190951774a999e2ce11 completed April 11, 2026, 12:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69f71f2810a881908b1ed0cc4fb9ac12 completed May 3, 2026, 10:10 a.m.
NEDg Description generation batch_69f71fe2c128819096cc31c9cbb739b5 completed May 3, 2026, 10:13 a.m.
NED2 Entity disambiguation (via description) batch_69f72090b6b081908870801fdb679f57 completed May 3, 2026, 10:16 a.m.
Created at: April 9, 2026, 9:29 p.m.