Triple

T11894705
Position Surface form Disambiguated ID Type / Status
Subject Paddington (Bishop’s Road) station E283005 entity
Predicate isOnRoute P2127 FINISHED
Object Paddington–Farringdon section of the Metropolitan Railway
The Paddington–Farringdon section of the Metropolitan Railway was the original stretch of the world’s first underground railway in London, linking Paddington to Farringdon when it opened in 1863.
E952292 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: Paddington–Farringdon section of the Metropolitan Railway | Statement: [Paddington (Bishop’s Road) station, isOnRoute, Paddington–Farringdon section of the Metropolitan Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Paddington–Farringdon section of the Metropolitan Railway
Context triple: [Paddington (Bishop’s Road) station, isOnRoute, Paddington–Farringdon section of the Metropolitan Railway]
  • A. Baker Street and Waterloo Railway
    The Baker Street and Waterloo Railway was one of London's early deep-level tube railways, later incorporated into the Bakerloo line of the London Underground.
  • B. 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.
  • C. Charing Cross main line
    Charing Cross main line is a central London railway route and terminus that serves as a key hub for commuter and regional train services into the city.
  • D. London Fenchurch Street–Shoeburyness line
    The London Fenchurch Street–Shoeburyness line is a key commuter rail route in Essex and east London, linking central London with coastal towns along the Thames Estuary.
  • 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: Paddington–Farringdon section of the Metropolitan Railway
Triple: [Paddington (Bishop’s Road) station, isOnRoute, Paddington–Farringdon section of the Metropolitan Railway]
Generated description
The Paddington–Farringdon section of the Metropolitan Railway was the original stretch of the world’s first underground railway in London, linking Paddington to Farringdon when it opened in 1863.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Paddington–Farringdon section of the Metropolitan Railway
Target entity description: The Paddington–Farringdon section of the Metropolitan Railway was the original stretch of the world’s first underground railway in London, linking Paddington to Farringdon when it opened in 1863.
  • A. Baker Street and Waterloo Railway
    The Baker Street and Waterloo Railway was one of London's early deep-level tube railways, later incorporated into the Bakerloo line of the London Underground.
  • B. 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.
  • C. Charing Cross main line
    Charing Cross main line is a central London railway route and terminus that serves as a key hub for commuter and regional train services into the city.
  • D. London Fenchurch Street–Shoeburyness line
    The London Fenchurch Street–Shoeburyness line is a key commuter rail route in Essex and east London, linking central London with coastal towns along the Thames Estuary.
  • 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_69d6ab2a90b08190a4e818821cc93e6d completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8dd1172988190a2c13d37220f2f93 completed April 10, 2026, 11:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69f41811e5ac8190a3e397e31f19bca1 completed May 1, 2026, 3:03 a.m.
NEDg Description generation batch_69f41f1c21388190b6ecb0fd602abb7d completed May 1, 2026, 3:33 a.m.
NED2 Entity disambiguation (via description) batch_69f42283c4cc81909793834ef65d2514 completed May 1, 2026, 3:48 a.m.
Created at: April 8, 2026, 9:44 p.m.