Triple

T3119792
Position Surface form Disambiguated ID Type / Status
Subject Alfred Waterhouse E65153 entity
Predicate notableWork P4 FINISHED
Object Prudential Assurance Building, Holborn Bars, London
Prudential Assurance Building, Holborn Bars, London is a prominent Victorian Gothic red-brick office complex in central London, designed in the late 19th century as the headquarters of the Prudential Assurance Company.
E330108 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: Prudential Assurance Building, Holborn Bars, London | Statement: [Alfred Waterhouse, notableWork, Prudential Assurance Building, Holborn Bars, London]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Prudential Assurance Building, Holborn Bars, London
Context triple: [Alfred Waterhouse, notableWork, Prudential Assurance Building, Holborn Bars, London]
  • A. Lloyd's building
    The Lloyd's building is a landmark high-tech office building in London, known for its radical "inside-out" design with services such as staircases and ducts exposed on the exterior.
  • B. SIS Building, Vauxhall Cross
    The SIS Building at Vauxhall Cross is a distinctive postmodern riverside structure in London that serves as the headquarters of the United Kingdom’s Secret Intelligence Service (MI6).
  • C. Prudential Tower
    Prudential Tower is a prominent skyscraper in Boston, Massachusetts, known for its observation deck and role as a key feature of the city’s skyline.
  • D. Hyde Park-Kenwood National Bank Building
    The Hyde Park-Kenwood National Bank Building is a historic former bank and office high-rise in Chicago’s Hyde Park–Kenwood area, noted for its early 20th-century architecture and role as a neighborhood commercial landmark.
  • E. Centre Point, London
    Centre Point is a prominent modernist high-rise office and residential building in central London, known as an early example of speculative commercial skyscraper development in the city.
  • 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: Prudential Assurance Building, Holborn Bars, London
Triple: [Alfred Waterhouse, notableWork, Prudential Assurance Building, Holborn Bars, London]
Generated description
Prudential Assurance Building, Holborn Bars, London is a prominent Victorian Gothic red-brick office complex in central London, designed in the late 19th century as the headquarters of the Prudential Assurance Company.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Prudential Assurance Building, Holborn Bars, London
Target entity description: Prudential Assurance Building, Holborn Bars, London is a prominent Victorian Gothic red-brick office complex in central London, designed in the late 19th century as the headquarters of the Prudential Assurance Company.
  • A. Lloyd's building
    The Lloyd's building is a landmark high-tech office building in London, known for its radical "inside-out" design with services such as staircases and ducts exposed on the exterior.
  • B. SIS Building, Vauxhall Cross
    The SIS Building at Vauxhall Cross is a distinctive postmodern riverside structure in London that serves as the headquarters of the United Kingdom’s Secret Intelligence Service (MI6).
  • C. Prudential Tower
    Prudential Tower is a prominent skyscraper in Boston, Massachusetts, known for its observation deck and role as a key feature of the city’s skyline.
  • D. Hyde Park-Kenwood National Bank Building
    The Hyde Park-Kenwood National Bank Building is a historic former bank and office high-rise in Chicago’s Hyde Park–Kenwood area, noted for its early 20th-century architecture and role as a neighborhood commercial landmark.
  • E. Centre Point, London
    Centre Point is a prominent modernist high-rise office and residential building in central London, known as an early example of speculative commercial skyscraper development in the city.
  • 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_69ad857fcc088190b0c4d45a5cde6f61 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada4eb6a6081909df41f67999eb4ff completed March 8, 2026, 4:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69b20f67b80c8190849581cf1829d840 completed March 12, 2026, 12:57 a.m.
NEDg Description generation batch_69b2135f05c88190b926556828a038ac completed March 12, 2026, 1:14 a.m.
NED2 Entity disambiguation (via description) batch_69b214268d588190996d909297baaffc completed March 12, 2026, 1:17 a.m.
Created at: March 8, 2026, 3:04 p.m.