Triple

T672782
Position Surface form Disambiguated ID Type / Status
Subject 2013 Boston Marathon bombing E13008 entity
Predicate relatedEvent P37 FINISHED
Object Watertown, Massachusetts shootout
The Watertown, Massachusetts shootout was the intense armed confrontation in April 2013 between law enforcement and the Boston Marathon bombing suspects that led to one suspect’s death and the manhunt’s dramatic conclusion.
E83713 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: Watertown, Massachusetts shootout | Statement: [2013 Boston Marathon bombing, relatedEvent, Watertown, Massachusetts shootout]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Watertown, Massachusetts shootout
Context triple: [2013 Boston Marathon bombing, relatedEvent, Watertown, Massachusetts shootout]
  • A. 2013 Boston Marathon bombing
    The 2013 Boston Marathon bombing was a terrorist attack in which two homemade bombs exploded near the marathon’s finish line, killing three people and injuring hundreds.
  • B. North Hollywood shootout
    The North Hollywood shootout was a 1997 armed confrontation in Los Angeles in which two heavily armed bank robbers engaged in a prolonged gun battle with police, prompting major changes in law enforcement weaponry and tactics.
  • C. Attack on Deerfield
    Attack on Deerfield was a devastating 1704 French and Native American raid on the English frontier settlement of Deerfield, Massachusetts, resulting in many deaths and captives and becoming one of the most infamous incidents of colonial-era frontier warfare.
  • D. Haymarket affair
    The Haymarket affair was an 1886 labor protest and bombing in Chicago that became a pivotal moment in the history of workers’ rights and the labor movement in the United States.
  • E. Chappaquiddick incident
    The Chappaquiddick incident was a 1969 car accident on Chappaquiddick Island involving Senator Edward M. Kennedy that resulted in the death of Mary Jo Kopechne and had lasting political repercussions for Kennedy's career.
  • 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: Watertown, Massachusetts shootout
Triple: [2013 Boston Marathon bombing, relatedEvent, Watertown, Massachusetts shootout]
Generated description
The Watertown, Massachusetts shootout was the intense armed confrontation in April 2013 between law enforcement and the Boston Marathon bombing suspects that led to one suspect’s death and the manhunt’s dramatic conclusion.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Watertown, Massachusetts shootout
Target entity description: The Watertown, Massachusetts shootout was the intense armed confrontation in April 2013 between law enforcement and the Boston Marathon bombing suspects that led to one suspect’s death and the manhunt’s dramatic conclusion.
  • A. 2013 Boston Marathon bombing
    The 2013 Boston Marathon bombing was a terrorist attack in which two homemade bombs exploded near the marathon’s finish line, killing three people and injuring hundreds.
  • B. North Hollywood shootout
    The North Hollywood shootout was a 1997 armed confrontation in Los Angeles in which two heavily armed bank robbers engaged in a prolonged gun battle with police, prompting major changes in law enforcement weaponry and tactics.
  • C. Attack on Deerfield
    Attack on Deerfield was a devastating 1704 French and Native American raid on the English frontier settlement of Deerfield, Massachusetts, resulting in many deaths and captives and becoming one of the most infamous incidents of colonial-era frontier warfare.
  • D. Haymarket affair
    The Haymarket affair was an 1886 labor protest and bombing in Chicago that became a pivotal moment in the history of workers’ rights and the labor movement in the United States.
  • E. Chappaquiddick incident
    The Chappaquiddick incident was a 1969 car accident on Chappaquiddick Island involving Senator Edward M. Kennedy that resulted in the death of Mary Jo Kopechne and had lasting political repercussions for Kennedy's career.
  • 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_69a4933d3bf88190972041cd8cf143b9 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4a023753c8190900f26fa7698775b completed March 1, 2026, 8:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69a5c39f3e1481908f395cdb19cfd2fc completed March 2, 2026, 5:06 p.m.
NEDg Description generation batch_69a5c42d4a0481908af4a71b4625c130 completed March 2, 2026, 5:09 p.m.
NED2 Entity disambiguation (via description) batch_69a5ce16df088190850a3b851558eba8 completed March 2, 2026, 5:51 p.m.
Created at: March 1, 2026, 7:36 p.m.