Triple

T451343
Position Surface form Disambiguated ID Type / Status
Subject English Heritage E7135 entity
Predicate manages P86 FINISHED
Object Tintagel Castle
Tintagel Castle is a medieval cliff-top fortress in Cornwall, England, famed for its dramatic coastal ruins and legendary association with King Arthur.
 E56973 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: Tintagel Castle | Statement: [English Heritage, manages, Tintagel Castle]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tintagel Castle
Context triple: [English Heritage, manages, Tintagel Castle]
  • A. Beaumaris Castle
    Beaumaris Castle is a late 13th-century concentric medieval fortress on the Isle of Anglesey in Wales, renowned for its symmetrical design and status as part of the UNESCO-listed "Castles and Town Walls of King Edward in Gwynedd."
  • B. Dolwyddelan Castle
    Dolwyddelan Castle is a medieval Welsh fortress in Snowdonia, traditionally associated with the native prince Llywelyn the Great and commanding a strategic mountain pass.
  • C. Ahlden Castle
    Ahlden Castle is a historic German residence in Lower Saxony, best known as the long-term place of confinement of Sophia Dorothea of Celle, the repudiated wife of King George I of Great Britain.
  • D. Harlech
    Harlech is a historic coastal town in northwest Wales, best known for its dramatic medieval castle overlooking Cardigan Bay.
  • E. Caernarfon Castle
    Caernarfon Castle is a massive medieval fortress in Caernarfon, Wales, famed for its polygonal towers and role as a symbol of English rule over Wales.
  • 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: Tintagel Castle
Triple: [English Heritage, manages, Tintagel Castle]
Generated description
Tintagel Castle is a medieval cliff-top fortress in Cornwall, England, famed for its dramatic coastal ruins and legendary association with King Arthur.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tintagel Castle
Target entity description: Tintagel Castle is a medieval cliff-top fortress in Cornwall, England, famed for its dramatic coastal ruins and legendary association with King Arthur.
  • A. Beaumaris Castle
    Beaumaris Castle is a late 13th-century concentric medieval fortress on the Isle of Anglesey in Wales, renowned for its symmetrical design and status as part of the UNESCO-listed "Castles and Town Walls of King Edward in Gwynedd."
  • B. Dolwyddelan Castle
    Dolwyddelan Castle is a medieval Welsh fortress in Snowdonia, traditionally associated with the native prince Llywelyn the Great and commanding a strategic mountain pass.
  • C. Ahlden Castle
    Ahlden Castle is a historic German residence in Lower Saxony, best known as the long-term place of confinement of Sophia Dorothea of Celle, the repudiated wife of King George I of Great Britain.
  • D. Harlech
    Harlech is a historic coastal town in northwest Wales, best known for its dramatic medieval castle overlooking Cardigan Bay.
  • E. Caernarfon Castle
    Caernarfon Castle is a massive medieval fortress in Caernarfon, Wales, famed for its polygonal towers and role as a symbol of English rule over Wales.
  • 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_69a2e7e4676c81909ea0dbdecac0687c completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ef835ae881908884dcc3a46af951 completed Feb. 28, 2026, 1:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69a44cb9efc48190a161980e5506e5c8 completed March 1, 2026, 2:27 p.m.
NEDg Description generation batch_69a44d3af80081908fe11a4f873ee7a9 completed March 1, 2026, 2:29 p.m.
NED2 Entity disambiguation (via description) batch_69a44da8ae788190b8e1694f534043d4 completed March 1, 2026, 2:31 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.