Triple

T9420476
Position Surface form Disambiguated ID Type / Status
Subject Mamie Till-Mobley E227136 entity
Predicate child P120 FINISHED
Object Emmett Till
Emmett Till was a 14-year-old African American boy whose brutal lynching in Mississippi in 1955 became a catalyst for the modern U.S. civil rights movement.
E43567 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: Emmett Till | Statement: [Mamie Till-Mobley, child, Emmett Till]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Emmett Till
Context triple: [Mamie Till-Mobley, child, Emmett Till]
  • 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. Gertrude Ross Till
    Gertrude Ross Till was the wife of American Founding Father and Declaration of Independence signer George Read.
  • 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. Eugene Williams
    Eugene Williams was a Black teenager whose death after being attacked for drifting into a whites-only area of Lake Michigan helped ignite the Chicago Race Riot of 1919.
  • E. 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.
  • 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: Emmett Till
Triple: [Mamie Till-Mobley, child, Emmett Till]
Generated description
Emmett Till was a 14-year-old African American boy whose brutal lynching in Mississippi in 1955 became a catalyst for the modern U.S. civil rights movement.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Emmett Till
Target entity description: Emmett Till was a 14-year-old African American boy whose brutal lynching in Mississippi in 1955 became a catalyst for the modern U.S. civil rights movement.
  • 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. Gertrude Ross Till
    Gertrude Ross Till was the wife of American Founding Father and Declaration of Independence signer George Read.
  • 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. Eugene Williams
    Eugene Williams was a Black teenager whose death after being attacked for drifting into a whites-only area of Lake Michigan helped ignite the Chicago Race Riot of 1919.
  • E. Murder of Emmett Till chosen
    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.
  • F. None of above.

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_69ca84359e7c819091148ba4b670e436 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd6c2528c8819087b0a21e703254b7 completed April 1, 2026, 7:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69d107c95c9481909957b99cacf5e045 completed April 4, 2026, 12:44 p.m.
NEDg Description generation batch_69d1085a980c8190b4c6d811b07ab180 completed April 4, 2026, 12:47 p.m.
NED2 Entity disambiguation (via description) batch_69d1093f440481909aa27287019191ac completed April 4, 2026, 12:51 p.m.
Created at: March 30, 2026, 7:48 p.m.