Triple
T60849
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brown v. Board of Education |
E1208
|
entity |
| Predicate | plaintiff |
P660
|
FINISHED |
| Object |
Oliver Brown
Oliver Brown was the lead plaintiff in the landmark U.S. Supreme Court case that ended legal racial segregation in public schools.
|
E5183
|
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: Oliver Brown | Statement: [Brown v. Board of Education, plaintiff, Oliver Brown]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oliver Brown Context triple: [Brown v. Board of Education, plaintiff, Oliver Brown]
-
A.
Thurgood Marshall
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.
Martin Luther King Jr.
Martin Luther King Jr. was a prominent American civil rights leader and Baptist minister who advocated nonviolent resistance to racial segregation and injustice.
-
C.
Brown v. Board of Education
Brown v. Board of Education is the landmark 1954 U.S. Supreme Court decision that declared racial segregation in public schools unconstitutional, overturning the “separate but equal” doctrine.
-
D.
16th Street Baptist Church
The 16th Street Baptist Church is a historic African American church in Birmingham, Alabama, best known as the site of a 1963 Ku Klux Klan bombing that killed four Black girls and became a pivotal moment in the Civil Rights Movement.
-
E.
Douglass
Douglass is a surname and given name most famously associated with Frederick Douglass, the 19th-century American abolitionist, writer, and orator.
- 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: Oliver Brown Triple: [Brown v. Board of Education, plaintiff, Oliver Brown]
Generated description
Oliver Brown was the lead plaintiff in the landmark U.S. Supreme Court case that ended legal racial segregation in public schools.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Oliver Brown Target entity description: Oliver Brown was the lead plaintiff in the landmark U.S. Supreme Court case that ended legal racial segregation in public schools.
-
A.
Thurgood Marshall
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.
Martin Luther King Jr.
Martin Luther King Jr. was a prominent American civil rights leader and Baptist minister who advocated nonviolent resistance to racial segregation and injustice.
-
C.
Brown v. Board of Education
Brown v. Board of Education is the landmark 1954 U.S. Supreme Court decision that declared racial segregation in public schools unconstitutional, overturning the “separate but equal” doctrine.
-
D.
16th Street Baptist Church
The 16th Street Baptist Church is a historic African American church in Birmingham, Alabama, best known as the site of a 1963 Ku Klux Klan bombing that killed four Black girls and became a pivotal moment in the Civil Rights Movement.
-
E.
Douglass
Douglass is a surname and given name most famously associated with Frederick Douglass, the 19th-century American abolitionist, writer, and orator.
- 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_69a24ba4f760819081f6638a3c70538a |
completed | Feb. 28, 2026, 1:57 a.m. |
| NER | Named-entity recognition | batch_69a24ee244548190bd0e5c01233cbad8 |
completed | Feb. 28, 2026, 2:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2554c4edc8190a44fa66848c5f738 |
completed | Feb. 28, 2026, 2:39 a.m. |
| NEDg | Description generation | batch_69a2569d3d008190ad1546d18ba30375 |
completed | Feb. 28, 2026, 2:44 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2573414808190bbab27e1f48479a5 |
completed | Feb. 28, 2026, 2:47 a.m. |
Created at: Feb. 28, 2026, 2:02 a.m.