Triple

T2847198
Position Surface form Disambiguated ID Type / Status
Subject Margaret Beaufort E63009 entity
Predicate birthPlace P1 FINISHED
Object Bletsoe Castle, Bedfordshire, England
Bletsoe Castle in Bedfordshire, England is a historic fortified manor house best known as the birthplace of Lady Margaret Beaufort, mother of King Henry VII and matriarch of the Tudor dynasty.
E303245 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: Bletsoe Castle, Bedfordshire, England | Statement: [Margaret Beaufort, birthPlace, Bletsoe Castle, Bedfordshire, England]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bletsoe Castle, Bedfordshire, England
Context triple: [Margaret Beaufort, birthPlace, Bletsoe Castle, Bedfordshire, England]
  • A. Bolsover Castle
    Bolsover Castle is a 17th-century hilltop mansion and former fortress in Derbyshire, England, renowned for its ornate interiors, riding school, and panoramic views over the surrounding countryside.
  • B. Hertford Castle
    Hertford Castle is a historic fortified residence in Hertford, England, with medieval origins and later use as a royal palace and administrative center.
  • C. Berkhamsted Castle
    Berkhamsted Castle is a medieval motte-and-bailey fortress in Hertfordshire, England, historically significant as a royal stronghold and residence of notable figures including Richard, 1st Earl of Cornwall.
  • D. Marlborough Castle
    Marlborough Castle was a medieval royal stronghold in Wiltshire, England, that served as a residence for English monarchs and their consorts.
  • E. Grosmont Castle
    Grosmont Castle is a medieval stone fortress in the village of Grosmont in Monmouthshire, Wales, notable as one of the trio of castles guarding the Monnow Valley near the English border.
  • 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: Bletsoe Castle, Bedfordshire, England
Triple: [Margaret Beaufort, birthPlace, Bletsoe Castle, Bedfordshire, England]
Generated description
Bletsoe Castle in Bedfordshire, England is a historic fortified manor house best known as the birthplace of Lady Margaret Beaufort, mother of King Henry VII and matriarch of the Tudor dynasty.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bletsoe Castle, Bedfordshire, England
Target entity description: Bletsoe Castle in Bedfordshire, England is a historic fortified manor house best known as the birthplace of Lady Margaret Beaufort, mother of King Henry VII and matriarch of the Tudor dynasty.
  • A. Bolsover Castle
    Bolsover Castle is a 17th-century hilltop mansion and former fortress in Derbyshire, England, renowned for its ornate interiors, riding school, and panoramic views over the surrounding countryside.
  • B. Hertford Castle
    Hertford Castle is a historic fortified residence in Hertford, England, with medieval origins and later use as a royal palace and administrative center.
  • C. Berkhamsted Castle
    Berkhamsted Castle is a medieval motte-and-bailey fortress in Hertfordshire, England, historically significant as a royal stronghold and residence of notable figures including Richard, 1st Earl of Cornwall.
  • D. Marlborough Castle
    Marlborough Castle was a medieval royal stronghold in Wiltshire, England, that served as a residence for English monarchs and their consorts.
  • E. Grosmont Castle
    Grosmont Castle is a medieval stone fortress in the village of Grosmont in Monmouthshire, Wales, notable as one of the trio of castles guarding the Monnow Valley near the English border.
  • 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_69ab4c407c408190857d25e027155ce9 completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdf3ebbac819090e2bf98ed9fbd02 completed March 7, 2026, 8:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69afe8dbdff88190b6c46cfd6ef54bb8 completed March 10, 2026, 9:48 a.m.
NEDg Description generation batch_69afe9ac2e94819095513eab63b60dc4 completed March 10, 2026, 9:51 a.m.
NED2 Entity disambiguation (via description) batch_69b002c3187481909c0e352d5902a468 completed March 10, 2026, 11:38 a.m.
Created at: March 6, 2026, 10:02 p.m.