Triple

T2005353
Position Surface form Disambiguated ID Type / Status
Subject Murder of Emmett Till E43567 entity
Predicate perpetrator P698 FINISHED
Object Roy Bryant
Roy Bryant was a Mississippi shopkeeper whose accusation against Emmett Till and subsequent acquittal in Till’s 1955 lynching made him a central figure in one of the most infamous racially motivated murders in American history.
E227140 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: Roy Bryant | Statement: [Murder of Emmett Till, perpetrator, Roy Bryant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Roy Bryant
Context triple: [Murder of Emmett Till, perpetrator, Roy Bryant]
  • A. Floyd McKissick
    Floyd McKissick was a prominent American civil rights attorney and activist who led the Congress of Racial Equality in the 1960s and later became a key advocate of Black economic empowerment and political participation.
  • B. James Byrd Jr.
    James Byrd Jr. was an African American man whose brutal 1998 racially motivated murder in Texas became a catalyst for strengthening U.S. hate crime legislation.
  • C. Ordell Robbie
    Ordell Robbie is a ruthless and manipulative gunrunner in Quentin Tarantino’s film "Jackie Brown," known for his charismatic yet menacing demeanor.
  • D. Marcus Wright
    Marcus Wright is a central human-cyborg hybrid character in the film "Terminator Salvation," whose mysterious past and conflicted nature drive much of the movie’s plot.
  • E. John Hardin
    John Hardin was an American frontiersman and soldier of the late 18th century, known for his role in early Kentucky and Ohio Valley conflicts and for whom Hardin County, Kentucky, is named.
  • 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: Roy Bryant
Triple: [Murder of Emmett Till, perpetrator, Roy Bryant]
Generated description
Roy Bryant was a Mississippi shopkeeper whose accusation against Emmett Till and subsequent acquittal in Till’s 1955 lynching made him a central figure in one of the most infamous racially motivated murders in American history.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Roy Bryant
Target entity description: Roy Bryant was a Mississippi shopkeeper whose accusation against Emmett Till and subsequent acquittal in Till’s 1955 lynching made him a central figure in one of the most infamous racially motivated murders in American history.
  • A. Floyd McKissick
    Floyd McKissick was a prominent American civil rights attorney and activist who led the Congress of Racial Equality in the 1960s and later became a key advocate of Black economic empowerment and political participation.
  • B. James Byrd Jr.
    James Byrd Jr. was an African American man whose brutal 1998 racially motivated murder in Texas became a catalyst for strengthening U.S. hate crime legislation.
  • C. Ordell Robbie
    Ordell Robbie is a ruthless and manipulative gunrunner in Quentin Tarantino’s film "Jackie Brown," known for his charismatic yet menacing demeanor.
  • D. Marcus Wright
    Marcus Wright is a central human-cyborg hybrid character in the film "Terminator Salvation," whose mysterious past and conflicted nature drive much of the movie’s plot.
  • E. John Hardin
    John Hardin was an American frontiersman and soldier of the late 18th century, known for his role in early Kentucky and Ohio Valley conflicts and for whom Hardin County, Kentucky, is named.
  • 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_69a88715dbbc8190b2299e29e955d997 completed March 4, 2026, 7:25 p.m.
NER Named-entity recognition batch_69abb898795481909920c1a4c4d62c2d completed March 7, 2026, 5:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae0adedd388190a09361c3e69a4ed5 completed March 8, 2026, 11:48 p.m.
NEDg Description generation batch_69ae0b76f0fc8190bb5f40689ee7f8fe completed March 8, 2026, 11:51 p.m.
NED2 Entity disambiguation (via description) batch_69ae0c586bd88190ae23e84291d2fe81 completed March 8, 2026, 11:55 p.m.
Created at: March 4, 2026, 7:37 p.m.