Triple
T20240759
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Louisiana Separate Car Act |
E498280
|
entity |
| Predicate | hasCourtChallenge |
P15327
|
FINISHED |
| Object | State of Louisiana v. Plessy (state-level proceedings) |
—
|
NE NERFINISHED |
How this triple was built (3 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: State of Louisiana v. Plessy (state-level proceedings) | Statement: [Louisiana Separate Car Act, hasCourtChallenge, State of Louisiana v. Plessy (state-level proceedings)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: State of Louisiana v. Plessy (state-level proceedings) Context triple: [Louisiana Separate Car Act, hasCourtChallenge, State of Louisiana v. Plessy (state-level proceedings)]
-
A.
Allgeyer v. Louisiana
Allgeyer v. Louisiana is an 1897 U.S. Supreme Court decision that first recognized a broad constitutional "liberty of contract" under the Fourteenth Amendment, limiting state interference in private economic agreements.
-
B.
Montgomery v. Louisiana
Montgomery v. Louisiana is a landmark 2016 U.S. Supreme Court decision that made the ban on mandatory life without parole sentences for juveniles retroactive, requiring states to apply that constitutional rule to past cases.
-
C.
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.
-
D.
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.
-
E.
Plessy v. Ferguson (1896)
Plessy v. Ferguson (1896) was a landmark U.S. Supreme Court case that upheld racial segregation under the “separate but equal” doctrine, legitimizing Jim Crow laws for decades.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: State of Louisiana v. Plessy (state-level proceedings) Target entity description: State of Louisiana v. Plessy (state-level proceedings) was the initial criminal case against Homer Plessy for violating Louisiana’s segregation law, which set the stage for the landmark U.S. Supreme Court decision in Plessy v. Ferguson.
-
A.
Allgeyer v. Louisiana
Allgeyer v. Louisiana is an 1897 U.S. Supreme Court decision that first recognized a broad constitutional "liberty of contract" under the Fourteenth Amendment, limiting state interference in private economic agreements.
-
B.
Montgomery v. Louisiana
Montgomery v. Louisiana is a landmark 2016 U.S. Supreme Court decision that made the ban on mandatory life without parole sentences for juveniles retroactive, requiring states to apply that constitutional rule to past cases.
-
C.
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.
-
D.
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.
-
E.
Plessy v. Ferguson (1896)
Plessy v. Ferguson (1896) was a landmark U.S. Supreme Court case that upheld racial segregation under the “separate but equal” doctrine, legitimizing Jim Crow laws for decades.
- F. None of above. chosen
Provenance (2 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_69da6274c58c81909c646eabed6f4f30 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6716eabf48190ae4e760f472114bd |
completed | April 20, 2026, 6:33 p.m. |
Created at: April 11, 2026, 11:40 p.m.