Triple

T13394
Position Surface form Disambiguated ID Type / Status
Subject Abraham Lincoln E268 entity
Predicate precededBy P97 FINISHED
Object James Buchanan
James Buchanan was the 15th president of the United States, whose ineffective leadership in the years just before the Civil War is widely criticized by historians.
E16575 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: James Buchanan | Statement: [Abraham Lincoln, precededBy, James Buchanan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: James Buchanan
Context triple: [Abraham Lincoln, precededBy, James Buchanan]
  • A. Rutherford B. Hayes
    Rutherford B. Hayes was the 19th president of the United States, known for overseeing the end of Reconstruction and the controversial 1876 election that marked a key moment in the Gilded Age.
  • B. Ulysses S. Grant
    Ulysses S. Grant was the 18th president of the United States and a former Union Civil War general whose administration marked the early years of the Gilded Age.
  • C. James Madison
    James Madison was the fourth president of the United States and a key architect of the U.S. Constitution and Bill of Rights.
  • D. Abraham Lincoln
    Abraham Lincoln was the 16th president of the United States, best known for leading the country through the Civil War and issuing the Emancipation Proclamation that began the process of ending slavery.
  • E. Lincoln
    Lincoln is a suburban town in eastern Massachusetts known for its conservation land, historic sites, and commuter access to Boston.
  • 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: James Buchanan
Triple: [Abraham Lincoln, precededBy, James Buchanan]
Generated description
James Buchanan was the 15th president of the United States, whose ineffective leadership in the years just before the Civil War is widely criticized by historians.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: James Buchanan
Target entity description: James Buchanan was the 15th president of the United States, whose ineffective leadership in the years just before the Civil War is widely criticized by historians.
  • A. Rutherford B. Hayes
    Rutherford B. Hayes was the 19th president of the United States, known for overseeing the end of Reconstruction and the controversial 1876 election that marked a key moment in the Gilded Age.
  • B. Ulysses S. Grant
    Ulysses S. Grant was the 18th president of the United States and a former Union Civil War general whose administration marked the early years of the Gilded Age.
  • C. James Madison
    James Madison was the fourth president of the United States and a key architect of the U.S. Constitution and Bill of Rights.
  • D. Abraham Lincoln
    Abraham Lincoln was the 16th president of the United States, best known for leading the country through the Civil War and issuing the Emancipation Proclamation that began the process of ending slavery.
  • E. Lincoln
    Lincoln is a suburban town in eastern Massachusetts known for its conservation land, historic sites, and commuter access to Boston.
  • 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_69a23d7ad88c8190bffe8ab091d86642 completed Feb. 28, 2026, 12:57 a.m.
NER Named-entity recognition batch_69a240014418819090625e2fb774a2e6 completed Feb. 28, 2026, 1:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2b8599e2c8190a593f2c00e293f9d completed Feb. 28, 2026, 9:41 a.m.
NEDg Description generation batch_69a2b8df84248190b58a61076172509e completed Feb. 28, 2026, 9:43 a.m.
NED2 Entity disambiguation (via description) batch_69a2b946a3308190b70f29c73c87c124 completed Feb. 28, 2026, 9:45 a.m.
Created at: Feb. 28, 2026, 1:02 a.m.