Triple

T871971
Position Surface form Disambiguated ID Type / Status
Subject Security Service (MI5) E18832 entity
Predicate headquartersLocation P62 FINISHED
Object Thames House, London
Thames House in London is a prominent government building best known as the headquarters of the United Kingdom’s domestic security and counter-intelligence agency, MI5.
 E108052 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: Thames House, London | Statement: [Security Service (MI5), headquartersLocation, Thames House, London]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Thames House, London
Context triple: [Security Service (MI5), headquartersLocation, Thames House, London]
  • A. Bridgewater House, London
    Bridgewater House in London is a grand 19th-century palatial townhouse, redesigned by architect Charles Barry, historically renowned for housing the celebrated Bridgewater art collection.
  • B. Home House, London
    Home House in London is an 18th-century neoclassical townhouse renowned for its elegant design by architect Robert Adam and its role as a prominent private members’ club.
  • C. Somerset House, London
    Somerset House in London is a grand 18th-century riverside complex renowned for its neoclassical design and its role as a major cultural and arts centre.
  • D. Adelphi Buildings, London
    Adelphi Buildings, London was an 18th-century neoclassical riverside development in central London designed by the architect Robert Adam and his brothers.
  • E. Caxton Hall, London
    Caxton Hall, London was a historic Westminster building known for hosting significant political and public events, including major press conferences and meetings.
  • 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: Thames House, London
Triple: [Security Service (MI5), headquartersLocation, Thames House, London]
Generated description
Thames House in London is a prominent government building best known as the headquarters of the United Kingdom’s domestic security and counter-intelligence agency, MI5.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Thames House, London
Target entity description: Thames House in London is a prominent government building best known as the headquarters of the United Kingdom’s domestic security and counter-intelligence agency, MI5.
  • A. Bridgewater House, London
    Bridgewater House in London is a grand 19th-century palatial townhouse, redesigned by architect Charles Barry, historically renowned for housing the celebrated Bridgewater art collection.
  • B. Home House, London
    Home House in London is an 18th-century neoclassical townhouse renowned for its elegant design by architect Robert Adam and its role as a prominent private members’ club.
  • C. Somerset House, London
    Somerset House in London is a grand 18th-century riverside complex renowned for its neoclassical design and its role as a major cultural and arts centre.
  • D. Adelphi Buildings, London
    Adelphi Buildings, London was an 18th-century neoclassical riverside development in central London designed by the architect Robert Adam and his brothers.
  • E. Caxton Hall, London
    Caxton Hall, London was a historic Westminster building known for hosting significant political and public events, including major press conferences and meetings.
  • 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_69a4938db1f081909bcd1ad2713b6096 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac96850881908a2d776685126137 completed March 1, 2026, 9:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7cf55fec481908460522373cc48ba completed March 4, 2026, 6:21 a.m.
NEDg Description generation batch_69a7cfecba308190ae966e2e28e474b0 completed March 4, 2026, 6:23 a.m.
NED2 Entity disambiguation (via description) batch_69a7d041893881908a2dbf7af521db4d completed March 4, 2026, 6:25 a.m.
Created at: March 1, 2026, 7:39 p.m.