Triple

T181529
Position Surface form Disambiguated ID Type / Status
Subject Plessy v. Ferguson E3886 entity
Predicate plaintiff P660 FINISHED
Object Homer Plessy
Homer Plessy was a mixed-race Louisiana shoemaker and civil rights activist best known for challenging racial segregation laws in the landmark 1896 U.S. Supreme Court case Plessy v. Ferguson.
E28992 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: Homer Plessy | Statement: [Plessy v. Ferguson, plaintiff, Homer Plessy]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Homer Plessy
Context triple: [Plessy v. Ferguson, plaintiff, Homer Plessy]
  • A. Oliver Brown
    Oliver Brown was the lead plaintiff in the landmark U.S. Supreme Court case that ended legal racial segregation in public schools.
  • B. Blanche K. Bruce
    Blanche K. Bruce was a prominent African American politician from Mississippi who became the first Black person to serve a full term in the U.S. Senate during the Reconstruction era.
  • 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. Hosea Williams
    Hosea Williams was an American civil rights leader, close associate of Martin Luther King Jr., and prominent organizer of nonviolent protests during the Civil Rights Movement.
  • E. Henry T. Rainey
    Henry T. Rainey was an American Democratic politician who served as Speaker of the U.S. House of Representatives during the early New Deal era under President Franklin D. Roosevelt.
  • 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: Homer Plessy
Triple: [Plessy v. Ferguson, plaintiff, Homer Plessy]
Generated description
Homer Plessy was a mixed-race Louisiana shoemaker and civil rights activist best known for challenging racial segregation laws in the landmark 1896 U.S. Supreme Court case Plessy v. Ferguson.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Homer Plessy
Target entity description: Homer Plessy was a mixed-race Louisiana shoemaker and civil rights activist best known for challenging racial segregation laws in the landmark 1896 U.S. Supreme Court case Plessy v. Ferguson.
  • A. Oliver Brown
    Oliver Brown was the lead plaintiff in the landmark U.S. Supreme Court case that ended legal racial segregation in public schools.
  • B. Blanche K. Bruce
    Blanche K. Bruce was a prominent African American politician from Mississippi who became the first Black person to serve a full term in the U.S. Senate during the Reconstruction era.
  • 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. Hosea Williams
    Hosea Williams was an American civil rights leader, close associate of Martin Luther King Jr., and prominent organizer of nonviolent protests during the Civil Rights Movement.
  • E. Henry T. Rainey
    Henry T. Rainey was an American Democratic politician who served as Speaker of the U.S. House of Representatives during the early New Deal era under President Franklin D. Roosevelt.
  • 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_69a25497e2f08190a040f8c6e1842643 completed Feb. 28, 2026, 2:36 a.m.
NER Named-entity recognition batch_69a25923507c8190bd7f6eda404b0da0 completed Feb. 28, 2026, 2:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69a358763c10819085252de003a45435 completed Feb. 28, 2026, 9:04 p.m.
NEDg Description generation batch_69a359ca6f448190acfc1cf7e06481e2 completed Feb. 28, 2026, 9:10 p.m.
NED2 Entity disambiguation (via description) batch_69a35a1a6cf08190ab0eb267e053f1cd completed Feb. 28, 2026, 9:11 p.m.
Created at: Feb. 28, 2026, 2:40 a.m.