Triple

T2005370
Position Surface form Disambiguated ID Type / Status
Subject Murder of Emmett Till E43567 entity
Predicate motherDecision P2165 FINISHED
Object Mamie Till-Mobley insisted on open-casket funeral
Mamie Till-Mobley was the mother of Emmett Till and a pivotal civil rights figure whose courageous decision to publicly display her son’s brutalized body helped galvanize the modern Civil Rights Movement.
E227143 NE FINISHED

How this triple was built (5 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: Mamie Till-Mobley insisted on open-casket funeral | Statement: [Murder of Emmett Till, motherDecision, Mamie Till-Mobley insisted on open-casket funeral]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mamie Till-Mobley insisted on open-casket funeral
Context triple: [Murder of Emmett Till, motherDecision, Mamie Till-Mobley insisted on open-casket funeral]
  • A. Myrlie Evers
    Myrlie Evers is an American civil rights activist, author, and former NAACP chair best known for her decades-long advocacy for racial justice following the assassination of her husband, Medgar Evers.
  • B. Yolanda King
    Yolanda King was an American activist, actress, and the eldest daughter of civil rights leader Martin Luther King Jr., known for her work promoting nonviolence and social justice.
  • C. Murder of Emmett Till
    The Murder of Emmett Till was the 1955 lynching of a Black teenager in Mississippi that became a catalyst for the modern American civil rights movement.
  • D. Emma Tillinger Koskoff
    Emma Tillinger Koskoff is an American film producer best known for her longtime collaboration with director Martin Scorsese on acclaimed films such as The Wolf of Wall Street, The Departed, and The Irishman.
  • E. Bernice King
    Bernice King is an American minister, lawyer, and civil rights advocate who serves as CEO of the Martin Luther King Jr. Center for Nonviolent Social Change and works to advance her parents’ legacy of nonviolence and social justice.
  • 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: Mamie Till-Mobley insisted on open-casket funeral
Triple: [Murder of Emmett Till, motherDecision, Mamie Till-Mobley insisted on open-casket funeral]
Generated description
Mamie Till-Mobley was the mother of Emmett Till and a pivotal civil rights figure whose courageous decision to publicly display her son’s brutalized body helped galvanize the modern Civil Rights Movement.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mamie Till-Mobley insisted on open-casket funeral
Target entity description: Mamie Till-Mobley was the mother of Emmett Till and a pivotal civil rights figure whose courageous decision to publicly display her son’s brutalized body helped galvanize the modern Civil Rights Movement.
  • A. Myrlie Evers
    Myrlie Evers is an American civil rights activist, author, and former NAACP chair best known for her decades-long advocacy for racial justice following the assassination of her husband, Medgar Evers.
  • B. Yolanda King
    Yolanda King was an American activist, actress, and the eldest daughter of civil rights leader Martin Luther King Jr., known for her work promoting nonviolence and social justice.
  • C. Murder of Emmett Till
    The Murder of Emmett Till was the 1955 lynching of a Black teenager in Mississippi that became a catalyst for the modern American civil rights movement.
  • D. Emma Tillinger Koskoff
    Emma Tillinger Koskoff is an American film producer best known for her longtime collaboration with director Martin Scorsese on acclaimed films such as The Wolf of Wall Street, The Departed, and The Irishman.
  • E. Bernice King
    Bernice King is an American minister, lawyer, and civil rights advocate who serves as CEO of the Martin Luther King Jr. Center for Nonviolent Social Change and works to advance her parents’ legacy of nonviolence and social justice.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: motherDecision
Context triple: [Murder of Emmett Till, motherDecision, Mamie Till-Mobley insisted on open-casket funeral]
  • A. motherFrom
    Indicates that one entity is the mother (biological or adoptive) of another entity, specifying a maternal parent-child relationship from the mother to the child.
  • B. decisionsAre
    Indicates that certain choices, judgments, or resolutions possess a specified quality, status, or classification.
  • C. decisionType chosen
    Indicates the specific category or nature of a decision associated with an entity or event.
  • D. makesDecisionBy
    Indicates that one entity determines or chooses an outcome, course of action, or judgment by means of another entity, method, or process.
  • E. parent
    Indicates a relationship where one entity is the direct mother or father of another entity, from whom that other entity is descended.
  • F. None of above.

Provenance (6 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.
PD Predicate disambiguation batch_69abb79e63c08190982c8b44a557266f completed March 7, 2026, 5:29 a.m.
Created at: March 4, 2026, 7:37 p.m.