Triple

T3164869
Position Surface form Disambiguated ID Type / Status
Subject Henry IV of England E66186 entity
Predicate child P120 FINISHED
Object Thomas of Lancaster, 1st Duke of Clarence
Thomas of Lancaster, 1st Duke of Clarence, was an English prince and military commander, the second son of King Henry IV, who played a prominent role in the early stages of the Hundred Years’ War under his brother Henry V.
E340077 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: Thomas of Lancaster, 1st Duke of Clarence | Statement: [Henry IV of England, child, Thomas of Lancaster, 1st Duke of Clarence]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Thomas of Lancaster, 1st Duke of Clarence
Context triple: [Henry IV of England, child, Thomas of Lancaster, 1st Duke of Clarence]
  • A. Lionel of Antwerp, 1st Duke of Clarence
    Lionel of Antwerp, 1st Duke of Clarence, was a 14th-century English prince and nobleman whose lineage played a key role in the later Wars of the Roses through the Yorkist claim to the throne.
  • B. George Plantagenet, 1st Duke of Clarence
    George Plantagenet, 1st Duke of Clarence, was a 15th-century English nobleman and Plantagenet prince who played a turbulent role in the Wars of the Roses before being executed for treason under his brother King Edward IV.
  • C. Richard of Shrewsbury, Duke of York
    Richard of Shrewsbury, Duke of York was the younger son of King Edward IV of England and one of the two "Princes in the Tower" whose mysterious disappearance has long intrigued historians.
  • D. Duke of Clarence and Avondale
    The Duke of Clarence and Avondale was a British royal dukedom most notably held by Prince Albert Victor, the eldest son of the future King Edward VII and a one-time second in line to the throne.
  • E. Edmund of Lancaster
    Edmund of Lancaster was a 13th-century English prince, son of King Henry III, who became a powerful nobleman and military leader as Earl of Lancaster and Leicester.
  • 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: Thomas of Lancaster, 1st Duke of Clarence
Triple: [Henry IV of England, child, Thomas of Lancaster, 1st Duke of Clarence]
Generated description
Thomas of Lancaster, 1st Duke of Clarence, was an English prince and military commander, the second son of King Henry IV, who played a prominent role in the early stages of the Hundred Years’ War under his brother Henry V.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Thomas of Lancaster, 1st Duke of Clarence
Target entity description: Thomas of Lancaster, 1st Duke of Clarence, was an English prince and military commander, the second son of King Henry IV, who played a prominent role in the early stages of the Hundred Years’ War under his brother Henry V.
  • A. Lionel of Antwerp, 1st Duke of Clarence
    Lionel of Antwerp, 1st Duke of Clarence, was a 14th-century English prince and nobleman whose lineage played a key role in the later Wars of the Roses through the Yorkist claim to the throne.
  • B. George Plantagenet, 1st Duke of Clarence
    George Plantagenet, 1st Duke of Clarence, was a 15th-century English nobleman and Plantagenet prince who played a turbulent role in the Wars of the Roses before being executed for treason under his brother King Edward IV.
  • C. Richard of Shrewsbury, Duke of York
    Richard of Shrewsbury, Duke of York was the younger son of King Edward IV of England and one of the two "Princes in the Tower" whose mysterious disappearance has long intrigued historians.
  • D. Duke of Clarence and Avondale
    The Duke of Clarence and Avondale was a British royal dukedom most notably held by Prince Albert Victor, the eldest son of the future King Edward VII and a one-time second in line to the throne.
  • E. Edmund of Lancaster
    Edmund of Lancaster was a 13th-century English prince, son of King Henry III, who became a powerful nobleman and military leader as Earl of Lancaster and Leicester.
  • 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_69ad85850c1481908a9e9c6242238de2 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada61ba98881909106951c8ceeb959 completed March 8, 2026, 4:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b276edde308190b26ac47ae1a79ce1 completed March 12, 2026, 8:18 a.m.
NEDg Description generation batch_69b277a9ab548190a8b9822db2db3d0d completed March 12, 2026, 8:22 a.m.
NED2 Entity disambiguation (via description) batch_69b27b88c9648190a4a8271452d8ed3e completed March 12, 2026, 8:38 a.m.
Created at: March 8, 2026, 3:06 p.m.