Triple

T5157040
Position Surface form Disambiguated ID Type / Status
Subject John H. Ferguson E116335 entity
Predicate appliedLaw P125 FINISHED
Object Louisiana Separate Car Act
The Louisiana Separate Car Act was an 1890 state law mandating racially segregated railway accommodations, which became the focus of the landmark Plessy v. Ferguson Supreme Court case upholding “separate but equal” segregation.
E498280 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: Louisiana Separate Car Act | Statement: [John H. Ferguson, appliedLaw, Louisiana Separate Car Act]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Louisiana Separate Car Act
Context triple: [John H. Ferguson, appliedLaw, Louisiana Separate Car Act]
  • A. Page Act of 1875
    The Page Act of 1875 was a U.S. federal law that effectively curtailed immigration from China—especially of women—by targeting and excluding those stereotyped as prostitutes or forced laborers, laying groundwork for later Chinese exclusion policies.
  • B. Cox v. Louisiana
    Cox v. Louisiana is a landmark 1965 U.S. Supreme Court case that clarified the limits of state power to restrict public demonstrations and protected civil rights protest activities under the First Amendment.
  • C. Duncan v. Louisiana
    Duncan v. Louisiana is a 1968 U.S. Supreme Court decision that held the Sixth Amendment right to a jury trial in criminal cases applies to the states through the Fourteenth Amendment.
  • D. Buchanan v. Warley
    Buchanan v. Warley is a 1917 U.S. Supreme Court decision that struck down a Louisville racial zoning ordinance, marking an early constitutional limit on government-enforced residential segregation.
  • E. Browder v. Gayle
    Browder v. Gayle was the landmark 1956 federal court case that declared bus segregation in Montgomery, Alabama unconstitutional, effectively ending the Montgomery bus boycott and striking a major blow against Jim Crow laws.
  • 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: Louisiana Separate Car Act
Triple: [John H. Ferguson, appliedLaw, Louisiana Separate Car Act]
Generated description
The Louisiana Separate Car Act was an 1890 state law mandating racially segregated railway accommodations, which became the focus of the landmark Plessy v. Ferguson Supreme Court case upholding “separate but equal” segregation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Louisiana Separate Car Act
Target entity description: The Louisiana Separate Car Act was an 1890 state law mandating racially segregated railway accommodations, which became the focus of the landmark Plessy v. Ferguson Supreme Court case upholding “separate but equal” segregation.
  • A. Page Act of 1875
    The Page Act of 1875 was a U.S. federal law that effectively curtailed immigration from China—especially of women—by targeting and excluding those stereotyped as prostitutes or forced laborers, laying groundwork for later Chinese exclusion policies.
  • B. Cox v. Louisiana
    Cox v. Louisiana is a landmark 1965 U.S. Supreme Court case that clarified the limits of state power to restrict public demonstrations and protected civil rights protest activities under the First Amendment.
  • C. Duncan v. Louisiana
    Duncan v. Louisiana is a 1968 U.S. Supreme Court decision that held the Sixth Amendment right to a jury trial in criminal cases applies to the states through the Fourteenth Amendment.
  • D. Buchanan v. Warley
    Buchanan v. Warley is a 1917 U.S. Supreme Court decision that struck down a Louisville racial zoning ordinance, marking an early constitutional limit on government-enforced residential segregation.
  • E. Browder v. Gayle
    Browder v. Gayle was the landmark 1956 federal court case that declared bus segregation in Montgomery, Alabama unconstitutional, effectively ending the Montgomery bus boycott and striking a major blow against Jim Crow laws.
  • 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_69bd445d94788190b72e2cc563120995 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7902fbe48190abb58cb0b2b2b62d completed March 20, 2026, 4:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69bed0168a648190a470507802aa8934 completed March 21, 2026, 5:06 p.m.
NEDg Description generation batch_69bed0b4c8648190a151383277a8297d completed March 21, 2026, 5:09 p.m.
NED2 Entity disambiguation (via description) batch_69bed14d7a5c8190ac5b09f59a8dda1a completed March 21, 2026, 5:11 p.m.
Created at: March 20, 2026, 1:44 p.m.