Triple

T181516
Position Surface form Disambiguated ID Type / Status
Subject Plessy v. Ferguson E3886 entity
Predicate majorityOpinionBy P2235 FINISHED
Object Henry Billings Brown
Henry Billings Brown was an Associate Justice of the U.S. Supreme Court best known for authoring the decision that upheld racial segregation under the “separate but equal” doctrine.
 E40558 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: Henry Billings Brown | Statement: [Plessy v. Ferguson, majorityOpinionBy, Henry Billings Brown]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Henry Billings Brown
Context triple: [Plessy v. Ferguson, majorityOpinionBy, Henry Billings Brown]
  • A. Walter A. Brown
    Walter A. Brown was an American sports executive best known for helping establish the NBA and building the Boston Celtics into a championship franchise.
  • B. Henry Atkinson
    Henry Atkinson was a U.S. Army officer best known for commanding federal forces during the Black Hawk War of 1832.
  • C. Edward Nichols
    Edward Nichols was a physicist best known for founding the influential scientific journal Physical Review.
  • D. Frederic L. Smith
    Frederic L. Smith was an American industrialist and early automotive pioneer who played a key role in the creation and development of General Motors.
  • E. Harold Hazen
    Harold Hazen was an American electrical engineer and MIT professor known for his pioneering work in control systems and his role in developing early analog computing devices.
  • 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: Henry Billings Brown
Triple: [Plessy v. Ferguson, majorityOpinionBy, Henry Billings Brown]
Generated description
Henry Billings Brown was an Associate Justice of the U.S. Supreme Court best known for authoring the decision that upheld racial segregation under the “separate but equal” doctrine.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Henry Billings Brown
Target entity description: Henry Billings Brown was an Associate Justice of the U.S. Supreme Court best known for authoring the decision that upheld racial segregation under the “separate but equal” doctrine.
  • A. Walter A. Brown
    Walter A. Brown was an American sports executive best known for helping establish the NBA and building the Boston Celtics into a championship franchise.
  • B. Henry Atkinson
    Henry Atkinson was a U.S. Army officer best known for commanding federal forces during the Black Hawk War of 1832.
  • C. Edward Nichols
    Edward Nichols was a physicist best known for founding the influential scientific journal Physical Review.
  • D. Frederic L. Smith
    Frederic L. Smith was an American industrialist and early automotive pioneer who played a key role in the creation and development of General Motors.
  • E. Harold Hazen
    Harold Hazen was an American electrical engineer and MIT professor known for his pioneering work in control systems and his role in developing early analog computing devices.
  • 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_69a25497e2f08190a040f8c6e1842643 completed Feb. 28, 2026, 2:36 a.m.
NER Named-entity recognition batch_69a25923507c8190bd7f6eda404b0da0 completed Feb. 28, 2026, 2:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3c41191a08190afc0fd06d6845d68 completed March 1, 2026, 4:44 a.m.
NEDg Description generation batch_69a3c562ebb88190a01b4621cf4512aa completed March 1, 2026, 4:49 a.m.
NED2 Entity disambiguation (via description) batch_69a3c5b8a64c8190a8526e70c49554dd completed March 1, 2026, 4:51 a.m.
Created at: Feb. 28, 2026, 2:40 a.m.