Triple

T11499007
Position Surface form Disambiguated ID Type / Status
Subject Lakeith Stanfield E272614 entity
Predicate portrayedCharacter P1668 FINISHED
Object Jimmie Lee Jackson
Jimmie Lee Jackson was a young African American civil rights activist whose 1965 killing by an Alabama state trooper became a catalyst for the Selma to Montgomery marches and the Voting Rights Act.
E929286 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: Jimmie Lee Jackson | Statement: [Lakeith Stanfield, portrayedCharacter, Jimmie Lee Jackson]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Jimmie Lee Jackson
Context triple: [Lakeith Stanfield, portrayedCharacter, Jimmie Lee Jackson]
  • A. 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.
  • B. Emmett Till
    Emmett Till was a 14-year-old African American boy whose brutal 1955 lynching in Mississippi became a catalyst for the modern U.S. civil rights movement.
  • C. Medgar Evers
    Medgar Evers was a prominent African American civil rights leader and NAACP field secretary in Mississippi whose assassination in 1963 made him a martyr of the struggle against racial segregation and injustice.
  • D. Ezell Blair Jr.
    Ezell Blair Jr. (later known as Jibreel Khazan) is a civil rights activist best known as one of the four African American college students who initiated the 1960 Woolworth’s lunch counter sit-ins in Greensboro, North Carolina.
  • E. Louis Till
    Louis Till was an African American man and U.S. Army private best known as the father of Emmett Till, whose life and controversial military death later drew renewed attention during the civil rights era.
  • 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: Jimmie Lee Jackson
Triple: [Lakeith Stanfield, portrayedCharacter, Jimmie Lee Jackson]
Generated description
Jimmie Lee Jackson was a young African American civil rights activist whose 1965 killing by an Alabama state trooper became a catalyst for the Selma to Montgomery marches and the Voting Rights Act.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Jimmie Lee Jackson
Target entity description: Jimmie Lee Jackson was a young African American civil rights activist whose 1965 killing by an Alabama state trooper became a catalyst for the Selma to Montgomery marches and the Voting Rights Act.
  • A. 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.
  • B. Emmett Till
    Emmett Till was a 14-year-old African American boy whose brutal 1955 lynching in Mississippi became a catalyst for the modern U.S. civil rights movement.
  • C. Medgar Evers
    Medgar Evers was a prominent African American civil rights leader and NAACP field secretary in Mississippi whose assassination in 1963 made him a martyr of the struggle against racial segregation and injustice.
  • D. Ezell Blair Jr.
    Ezell Blair Jr. (later known as Jibreel Khazan) is a civil rights activist best known as one of the four African American college students who initiated the 1960 Woolworth’s lunch counter sit-ins in Greensboro, North Carolina.
  • E. Louis Till
    Louis Till was an African American man and U.S. Army private best known as the father of Emmett Till, whose life and controversial military death later drew renewed attention during the civil rights era.
  • 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_69d6aae1b09881909ce2ded3fa0c14fa completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d85de27db081909ccdb4ab0ef75bdb completed April 10, 2026, 2:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69e604aa9e3c8190ad86e4d05a67c8ac completed April 20, 2026, 10:49 a.m.
NEDg Description generation batch_69e610a82c308190927158dbd566b0d4 completed April 20, 2026, 11:40 a.m.
NED2 Entity disambiguation (via description) batch_69e61853a3b48190b0d132761e9be69c completed April 20, 2026, 12:13 p.m.
Created at: April 8, 2026, 9:36 p.m.