Triple

T6629932
Position Surface form Disambiguated ID Type / Status
Subject Holborn station E149895 entity
Predicate formerService P1294 FINISHED
Object Holborn–Aldwych branch
The Holborn–Aldwych branch was a short, now-disused spur of the London Underground’s Piccadilly line that ran between Holborn and Aldwych in central London.
E600981 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: Holborn–Aldwych branch | Statement: [Holborn station, formerService, Holborn–Aldwych branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Holborn–Aldwych branch
Context triple: [Holborn station, formerService, Holborn–Aldwych branch]
  • A. Hammersmith & City line
    The Hammersmith & City line is a London Underground service running across west and central London, linking Hammersmith to Barking via key hubs such as Paddington, King's Cross St Pancras, and Liverpool Street.
  • B. Bury Line
    The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
  • C. West End Line
    The West End Line is a New York City subway route in Brooklyn that historically formed part of the Brooklyn Rapid Transit Company’s elevated and surface rail network.
  • D. Bakerloo line
    The Bakerloo line is a deep-level London Underground railway line running between Harrow & Wealdstone in northwest London and Elephant & Castle in south London, known for serving key central locations such as Baker Street, Oxford Circus, and Waterloo.
  • E. Edgware branch
    The Edgware branch is a northern suburban section of the London Underground’s Northern line running from central London to Edgware.
  • 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: Holborn–Aldwych branch
Triple: [Holborn station, formerService, Holborn–Aldwych branch]
Generated description
The Holborn–Aldwych branch was a short, now-disused spur of the London Underground’s Piccadilly line that ran between Holborn and Aldwych in central London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Holborn–Aldwych branch
Target entity description: The Holborn–Aldwych branch was a short, now-disused spur of the London Underground’s Piccadilly line that ran between Holborn and Aldwych in central London.
  • A. Hammersmith & City line
    The Hammersmith & City line is a London Underground service running across west and central London, linking Hammersmith to Barking via key hubs such as Paddington, King's Cross St Pancras, and Liverpool Street.
  • B. Bury Line
    The Bury Line is a light rail route on Greater Manchester's Metrolink network that connects central Manchester with the town of Bury to the north.
  • C. West End Line
    The West End Line is a New York City subway route in Brooklyn that historically formed part of the Brooklyn Rapid Transit Company’s elevated and surface rail network.
  • D. Bakerloo line
    The Bakerloo line is a deep-level London Underground railway line running between Harrow & Wealdstone in northwest London and Elephant & Castle in south London, known for serving key central locations such as Baker Street, Oxford Circus, and Waterloo.
  • E. Edgware branch
    The Edgware branch is a northern suburban section of the London Underground’s Northern line running from central London to Edgware.
  • 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_69c687ee50048190aa151765bef16193 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6afa5c9b48190b645be96d446d0ca completed March 27, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6cbeb04348190957b8e5f098b72bf completed March 27, 2026, 6:26 p.m.
NEDg Description generation batch_69c6cd0a98908190a5725c49bad7589d completed March 27, 2026, 6:31 p.m.
NED2 Entity disambiguation (via description) batch_69c6cdcf14508190876faa73f5eec884 completed March 27, 2026, 6:34 p.m.
Created at: March 27, 2026, 1:59 p.m.