Triple

T60849
Position Surface form Disambiguated ID Type / Status
Subject Brown v. Board of Education E1208 entity
Predicate plaintiff P660 FINISHED
Object Oliver Brown
Oliver Brown was the lead plaintiff in the landmark U.S. Supreme Court case that ended legal racial segregation in public schools.
E5183 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: Oliver Brown | Statement: [Brown v. Board of Education, plaintiff, Oliver Brown]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Oliver Brown
Context triple: [Brown v. Board of Education, plaintiff, Oliver Brown]
  • A. Thurgood Marshall
    Thurgood Marshall was the first African American U.S. Supreme Court Justice and a pioneering civil rights lawyer who successfully argued Brown v. Board of Education, helping dismantle legal segregation in the United States.
  • B. Martin Luther King Jr.
    Martin Luther King Jr. was a prominent American civil rights leader and Baptist minister who advocated nonviolent resistance to racial segregation and injustice.
  • C. Brown v. Board of Education
    Brown v. Board of Education is the landmark 1954 U.S. Supreme Court decision that declared racial segregation in public schools unconstitutional, overturning the “separate but equal” doctrine.
  • D. 16th Street Baptist Church
    The 16th Street Baptist Church is a historic African American church in Birmingham, Alabama, best known as the site of a 1963 Ku Klux Klan bombing that killed four Black girls and became a pivotal moment in the Civil Rights Movement.
  • E. Douglass
    Douglass is a surname and given name most famously associated with Frederick Douglass, the 19th-century American abolitionist, writer, and orator.
  • 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: Oliver Brown
Triple: [Brown v. Board of Education, plaintiff, Oliver Brown]
Generated description
Oliver Brown was the lead plaintiff in the landmark U.S. Supreme Court case that ended legal racial segregation in public schools.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Oliver Brown
Target entity description: Oliver Brown was the lead plaintiff in the landmark U.S. Supreme Court case that ended legal racial segregation in public schools.
  • A. Thurgood Marshall
    Thurgood Marshall was the first African American U.S. Supreme Court Justice and a pioneering civil rights lawyer who successfully argued Brown v. Board of Education, helping dismantle legal segregation in the United States.
  • B. Martin Luther King Jr.
    Martin Luther King Jr. was a prominent American civil rights leader and Baptist minister who advocated nonviolent resistance to racial segregation and injustice.
  • C. Brown v. Board of Education
    Brown v. Board of Education is the landmark 1954 U.S. Supreme Court decision that declared racial segregation in public schools unconstitutional, overturning the “separate but equal” doctrine.
  • D. 16th Street Baptist Church
    The 16th Street Baptist Church is a historic African American church in Birmingham, Alabama, best known as the site of a 1963 Ku Klux Klan bombing that killed four Black girls and became a pivotal moment in the Civil Rights Movement.
  • E. Douglass
    Douglass is a surname and given name most famously associated with Frederick Douglass, the 19th-century American abolitionist, writer, and orator.
  • 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_69a24ba4f760819081f6638a3c70538a completed Feb. 28, 2026, 1:57 a.m.
NER Named-entity recognition batch_69a24ee244548190bd0e5c01233cbad8 completed Feb. 28, 2026, 2:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2554c4edc8190a44fa66848c5f738 completed Feb. 28, 2026, 2:39 a.m.
NEDg Description generation batch_69a2569d3d008190ad1546d18ba30375 completed Feb. 28, 2026, 2:44 a.m.
NED2 Entity disambiguation (via description) batch_69a2573414808190bbab27e1f48479a5 completed Feb. 28, 2026, 2:47 a.m.
Created at: Feb. 28, 2026, 2:02 a.m.