Triple

T1559778
Position Surface form Disambiguated ID Type / Status
Subject National Museum of African American History and Culture E33291 entity
Predicate hasNotableObject P5510 FINISHED
Object Emmett Till funeral casket
The Emmett Till funeral casket is the preserved open casket used in the 1955 funeral of Emmett Till, whose public display helped galvanize the American 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 funeral casket | Statement: [National Museum of African American History and Culture, hasNotableObject, Emmett Till funeral casket]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Emmett Till funeral casket
Context triple: [National Museum of African American History and Culture, hasNotableObject, Emmett Till funeral casket]
  • A. 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.
  • B. Lorraine Motel
    The Lorraine Motel is a historic site in Memphis, Tennessee, best known as the location of Dr. Martin Luther King Jr.’s assassination and now preserved as part of a major civil rights museum.
  • C. 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.
  • D. 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.
  • E. Medgar Evers Home Museum
    The Medgar Evers Home Museum is the preserved former residence of civil rights leader Medgar Evers, now serving as a historic site commemorating his life and assassination during the 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 funeral casket
Triple: [National Museum of African American History and Culture, hasNotableObject, Emmett Till funeral casket]
Generated description
The Emmett Till funeral casket is the preserved open casket used in the 1955 funeral of Emmett Till, whose public display helped galvanize the American civil rights movement.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Emmett Till funeral casket
Target entity description: The Emmett Till funeral casket is the preserved open casket used in the 1955 funeral of Emmett Till, whose public display helped galvanize the American civil rights movement.
  • A. 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.
  • B. Lorraine Motel
    The Lorraine Motel is a historic site in Memphis, Tennessee, best known as the location of Dr. Martin Luther King Jr.’s assassination and now preserved as part of a major civil rights museum.
  • C. 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.
  • D. 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.
  • E. Medgar Evers Home Museum
    The Medgar Evers Home Museum is the preserved former residence of civil rights leader Medgar Evers, now serving as a historic site commemorating his life and assassination during the 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_69a885ef9cf48190b0af0f5ce3d02231 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a90885d6208190b4b7d6ad336d4d16 completed March 5, 2026, 4:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad3712e2ac81908c66f18fa89d46f2 completed March 8, 2026, 8:45 a.m.
NEDg Description generation batch_69ad39f88fb48190982ca19392992008 completed March 8, 2026, 8:57 a.m.
NED2 Entity disambiguation (via description) batch_69ad3a7c99108190b9fdb929fe2118c1 completed March 8, 2026, 8:59 a.m.
Created at: March 4, 2026, 7:27 p.m.