Triple

T7520305
Position Surface form Disambiguated ID Type / Status
Subject Duncan v. Louisiana E177751 entity
Predicate joinedByMajority P4304 FINISHED
Object Thurgood Marshall E1700 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Thurgood Marshall | Statement: [Duncan v. Louisiana, joinedByMajority, Thurgood Marshall]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Thurgood Marshall
Context triple: [Duncan v. Louisiana, joinedByMajority, Thurgood Marshall]
  • A. Thurgood Marshall chosen
    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. Thurgood Marshall Jr.
    Thurgood Marshall Jr. is an American lawyer and former White House Cabinet Secretary who is the son of Supreme Court Justice Thurgood Marshall.
  • C. Thurgood Jenkins
    Thurgood Jenkins is the bumbling, good-hearted stoner protagonist of the 1998 cannabis comedy film "Half Baked," played by Dave Chappelle.
  • D. William Hastie
    William Hastie was a pioneering African American jurist, civil rights advocate, and the first Black federal appellate judge in the United States.
  • E. Charles Hamilton Houston
    Charles Hamilton Houston was a pioneering African American lawyer and civil rights strategist whose legal work laid the groundwork for the Supreme Court’s decision in Brown v. Board of Education.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69c69f2891148190a484f3b8222c6f1b elicitation completed
NER batch_69c7017134608190bd51fb2d0ab1ff34 ner completed
NED1 batch_69c84eed875c81908922057730834a84 ned_source_triple completed
Created at: March 27, 2026, 3:46 p.m.