Triple

T8821522
Position Surface form Disambiguated ID Type / Status
Subject Ray v. Blair E209913 entity
Predicate relatedCase P3137 FINISHED
Object McPherson v. Blacker
McPherson v. Blacker is an 1892 U.S. Supreme Court case that upheld a state’s authority to determine how its presidential electors are chosen, affirming broad state control over the Electoral College selection process.
E759736 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: McPherson v. Blacker | Statement: [Ray v. Blair, relatedCase, McPherson v. Blacker]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: McPherson v. Blacker
Context triple: [Ray v. Blair, relatedCase, McPherson v. Blacker]
  • A. Bolling v. Sharpe
    Bolling v. Sharpe is a 1954 U.S. Supreme Court case that held racial segregation in Washington, D.C. public schools unconstitutional under the Fifth Amendment’s Due Process Clause.
  • B. Ableman v. Booth
    Ableman v. Booth was an 1859 U.S. Supreme Court case that affirmed federal supremacy over state courts in enforcing the Fugitive Slave Act before the Civil War.
  • C. Downes v. Bidwell
    Downes v. Bidwell is a 1901 U.S. Supreme Court case that helped establish the "Insular Cases" doctrine, holding that full constitutional rights do not automatically extend to all territories under American control.
  • D. Briggs v. Elliott
    Briggs v. Elliott was a landmark federal court case from South Carolina challenging racial segregation in public schools, and it became one of the key cases consolidated into Brown v. Board of Education.
  • E. Yick Wo v. Hopkins
    Yick Wo v. Hopkins is an 1886 U.S. Supreme Court case that held racially discriminatory enforcement of a facially neutral law violates the Equal Protection Clause of the Fourteenth Amendment.
  • 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: McPherson v. Blacker
Triple: [Ray v. Blair, relatedCase, McPherson v. Blacker]
Generated description
McPherson v. Blacker is an 1892 U.S. Supreme Court case that upheld a state’s authority to determine how its presidential electors are chosen, affirming broad state control over the Electoral College selection process.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: McPherson v. Blacker
Target entity description: McPherson v. Blacker is an 1892 U.S. Supreme Court case that upheld a state’s authority to determine how its presidential electors are chosen, affirming broad state control over the Electoral College selection process.
  • A. Bolling v. Sharpe
    Bolling v. Sharpe is a 1954 U.S. Supreme Court case that held racial segregation in Washington, D.C. public schools unconstitutional under the Fifth Amendment’s Due Process Clause.
  • B. Ableman v. Booth
    Ableman v. Booth was an 1859 U.S. Supreme Court case that affirmed federal supremacy over state courts in enforcing the Fugitive Slave Act before the Civil War.
  • C. Downes v. Bidwell
    Downes v. Bidwell is a 1901 U.S. Supreme Court case that helped establish the "Insular Cases" doctrine, holding that full constitutional rights do not automatically extend to all territories under American control.
  • D. Briggs v. Elliott
    Briggs v. Elliott was a landmark federal court case from South Carolina challenging racial segregation in public schools, and it became one of the key cases consolidated into Brown v. Board of Education.
  • E. Yick Wo v. Hopkins
    Yick Wo v. Hopkins is an 1886 U.S. Supreme Court case that held racially discriminatory enforcement of a facially neutral law violates the Equal Protection Clause of the Fourteenth Amendment.
  • 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_69ca8364e13081909c85fe80f44fe86f completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc601126248190b6f10c22f1aeac9a completed April 1, 2026, midnight
NED1 Entity disambiguation (via context triple) batch_69cf6fd064208190b1c8e1e1848763d2 completed April 3, 2026, 7:44 a.m.
NEDg Description generation batch_69cf71e0bd14819089a9667d573f2295 completed April 3, 2026, 7:53 a.m.
NED2 Entity disambiguation (via description) batch_69cf743758c881909eecaf9bdbb047e5 completed April 3, 2026, 8:03 a.m.
Created at: March 30, 2026, 6:46 p.m.