Triple

T2660019
Position Surface form Disambiguated ID Type / Status
Subject Dred Scott v. Sandford E54704 entity
Predicate party P1790 FINISHED
Object John F. A. Sandford
John F. A. Sandford was the defendant in the landmark 1857 U.S. Supreme Court case Dred Scott v. Sandford, which infamously denied citizenship and constitutional rights to African Americans.
 E285593 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: John F. A. Sandford | Statement: [Dred Scott v. Sandford, party, John F. A. Sandford]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: John F. A. Sandford
Context triple: [Dred Scott v. Sandford, party, John F. A. Sandford]
  • A. Rand Brooks
    Rand Brooks was an American film and television actor best known for his roles in classic Hollywood productions such as "Gone with the Wind" and numerous Westerns.
  • B. C. K. Robinson
    C. K. Robinson was a 19th-century British architect best known for designing St. Paul’s Cathedral in Kolkata, a prominent example of Indo-Gothic architecture in India.
  • C. Jeffrey Ford
    Jeffrey Ford is a film editor known for his work on major blockbuster movies, including several entries in the Marvel Cinematic Universe.
  • D. Raymond Gardner
    Raymond Gardner was the brother of famed American actress Ava Gardner, a member of the Gardner family from rural North Carolina.
  • E. Lee Child
    Lee Child is a British thriller author best known for creating the Jack Reacher series of novels.
  • 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: John F. A. Sandford
Triple: [Dred Scott v. Sandford, party, John F. A. Sandford]
Generated description
John F. A. Sandford was the defendant in the landmark 1857 U.S. Supreme Court case Dred Scott v. Sandford, which infamously denied citizenship and constitutional rights to African Americans.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: John F. A. Sandford
Target entity description: John F. A. Sandford was the defendant in the landmark 1857 U.S. Supreme Court case Dred Scott v. Sandford, which infamously denied citizenship and constitutional rights to African Americans.
  • A. Rand Brooks
    Rand Brooks was an American film and television actor best known for his roles in classic Hollywood productions such as "Gone with the Wind" and numerous Westerns.
  • B. C. K. Robinson
    C. K. Robinson was a 19th-century British architect best known for designing St. Paul’s Cathedral in Kolkata, a prominent example of Indo-Gothic architecture in India.
  • C. Jeffrey Ford
    Jeffrey Ford is a film editor known for his work on major blockbuster movies, including several entries in the Marvel Cinematic Universe.
  • D. Raymond Gardner
    Raymond Gardner was the brother of famed American actress Ava Gardner, a member of the Gardner family from rural North Carolina.
  • E. Lee Child
    Lee Child is a British thriller author best known for creating the Jack Reacher series of novels.
  • 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_69ab49e028948190b97e01d73548b1d9 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd94f3b1881909bd36cfe61c254a5 completed March 7, 2026, 7:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69af98d765c48190a227137467b7dbe1 completed March 10, 2026, 4:06 a.m.
NEDg Description generation batch_69af9952a95881908d01aa13f5feef43 completed March 10, 2026, 4:08 a.m.
NED2 Entity disambiguation (via description) batch_69af99e68f10819094d758d3a4bc2e9c completed March 10, 2026, 4:11 a.m.
Created at: March 6, 2026, 9:53 p.m.