Triple

T539577
Position Surface form Disambiguated ID Type / Status
Subject Spencer Perceval E12599 entity
Predicate killedBy P4646 FINISHED
Object John Bellingham
John Bellingham was a British merchant best known for assassinating Prime Minister Spencer Perceval in 1812, the only successful assassination of a British prime minister.
E67472 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: John Bellingham | Statement: [Spencer Perceval, killedBy, John Bellingham]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: John Bellingham
Context triple: [Spencer Perceval, killedBy, John Bellingham]
  • A. Michael O’Dwyer
    Michael O’Dwyer was a British colonial administrator who served as Lieutenant Governor of Punjab and became infamous for endorsing the brutal repression that culminated in the 1919 Jallianwala Bagh massacre.
  • B. George Atzerodt
    George Atzerodt was a German-born conspirator in John Wilkes Booth’s plot who was assigned to assassinate Vice President Andrew Johnson during the Lincoln assassination conspiracy.
  • C. Arthur Kill
    Arthur Kill is a tidal strait between Staten Island, New York, and New Jersey that serves as a major industrial and shipping waterway in the New York–New Jersey harbor area.
  • D. Munir Sirhan
    Munir Sirhan is best known as the brother of Sirhan Sirhan, the assassin of U.S. Senator Robert F. Kennedy.
  • E. Mary Surratt
    Mary Surratt was an American boardinghouse owner who became the first woman executed by the U.S. federal government for her role in the conspiracy to assassinate President Abraham Lincoln.
  • 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: John Bellingham
Triple: [Spencer Perceval, killedBy, John Bellingham]
Generated description
John Bellingham was a British merchant best known for assassinating Prime Minister Spencer Perceval in 1812, the only successful assassination of a British prime minister.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: John Bellingham
Target entity description: John Bellingham was a British merchant best known for assassinating Prime Minister Spencer Perceval in 1812, the only successful assassination of a British prime minister.
  • A. Michael O’Dwyer
    Michael O’Dwyer was a British colonial administrator who served as Lieutenant Governor of Punjab and became infamous for endorsing the brutal repression that culminated in the 1919 Jallianwala Bagh massacre.
  • B. George Atzerodt
    George Atzerodt was a German-born conspirator in John Wilkes Booth’s plot who was assigned to assassinate Vice President Andrew Johnson during the Lincoln assassination conspiracy.
  • C. Arthur Kill
    Arthur Kill is a tidal strait between Staten Island, New York, and New Jersey that serves as a major industrial and shipping waterway in the New York–New Jersey harbor area.
  • D. Munir Sirhan
    Munir Sirhan is best known as the brother of Sirhan Sirhan, the assassin of U.S. Senator Robert F. Kennedy.
  • E. Mary Surratt
    Mary Surratt was an American boardinghouse owner who became the first woman executed by the U.S. federal government for her role in the conspiracy to assassinate President Abraham Lincoln.
  • 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_69a49334226c81908b0ea1689ef6aa3f completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a496dd31c88190b3114805aa31931c completed March 1, 2026, 7:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4c671eaac8190a4bc731a02a5b0e8 completed March 1, 2026, 11:06 p.m.
NEDg Description generation batch_69a4c7f3279c8190b926f831f5371c2e completed March 1, 2026, 11:12 p.m.
NED2 Entity disambiguation (via description) batch_69a4c88145908190b590b7efde21677c completed March 1, 2026, 11:15 p.m.
Created at: March 1, 2026, 7:32 p.m.