Triple

T13309788
Position Surface form Disambiguated ID Type / Status
Subject Columbine High School massacre E317029 entity
Predicate location P40 FINISHED
Object Columbine High School
Columbine High School is a public secondary school in Littleton, Colorado, best known as the site of the 1999 Columbine High School massacre, one of the deadliest school shootings in U.S. history.
E1034230 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: Columbine High School | Statement: [Columbine High School massacre, location, Columbine High School]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Columbine High School
Context triple: [Columbine High School massacre, location, Columbine High School]
  • A. Columbine High School massacre
    The Columbine High School massacre was a 1999 school shooting in Littleton, Colorado, in which two students murdered 13 people and wounded many others before killing themselves, becoming a defining event in debates over gun violence and school safety in the United States.
  • B. Columbine
    Columbine is a stock character from the Italian commedia dell'arte tradition, typically portrayed as a clever and flirtatious maid and the love interest of Pierrot or Harlequin.
  • C. Sandy Hook Elementary School
    Sandy Hook Elementary School is a public primary school in Newtown, Connecticut, widely known as the site of the 2012 mass shooting tragedy.
  • D. Sandy Hook
    Sandy Hook is a barrier spit and popular recreational area at the northern tip of the Jersey Shore in New Jersey, known for its beaches, historic lighthouse, and views of New York Harbor.
  • E. Parkland
    Parkland is a 2013 historical drama film that chronicles the chaotic events surrounding the assassination of U.S. President John F. Kennedy from the perspectives of various ordinary people.
  • 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: Columbine High School
Triple: [Columbine High School massacre, location, Columbine High School]
Generated description
Columbine High School is a public secondary school in Littleton, Colorado, best known as the site of the 1999 Columbine High School massacre, one of the deadliest school shootings in U.S. history.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Columbine High School
Target entity description: Columbine High School is a public secondary school in Littleton, Colorado, best known as the site of the 1999 Columbine High School massacre, one of the deadliest school shootings in U.S. history.
  • A. Columbine High School massacre
    The Columbine High School massacre was a 1999 school shooting in Littleton, Colorado, in which two students murdered 13 people and wounded many others before killing themselves, becoming a defining event in debates over gun violence and school safety in the United States.
  • B. Columbine
    Columbine is a stock character from the Italian commedia dell'arte tradition, typically portrayed as a clever and flirtatious maid and the love interest of Pierrot or Harlequin.
  • C. Sandy Hook Elementary School
    Sandy Hook Elementary School is a public primary school in Newtown, Connecticut, widely known as the site of the 2012 mass shooting tragedy.
  • D. Sandy Hook
    Sandy Hook is a barrier spit and popular recreational area at the northern tip of the Jersey Shore in New Jersey, known for its beaches, historic lighthouse, and views of New York Harbor.
  • E. Parkland
    Parkland is a 2013 historical drama film that chronicles the chaotic events surrounding the assassination of U.S. President John F. Kennedy from the perspectives of various ordinary people.
  • 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_69f7208d47388190b1b51f346b0d1423 completed May 3, 2026, 10:16 a.m.
Created at: April 9, 2026, 9:29 p.m.