Triple

T4671418
Position Surface form Disambiguated ID Type / Status
Subject Southern Railway (UK) E102970 entity
Predicate main hub P423 FINISHED
Object Holborn Viaduct station
Holborn Viaduct station was a former central London railway terminus that served as a key commuter hub, particularly for services running to and from southern England.
E518849 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 Viaduct station | Statement: [Southern Railway (UK), main hub, Holborn Viaduct station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Holborn Viaduct station
Context triple: [Southern Railway (UK), main hub, Holborn Viaduct station]
  • A. Holborn station
    Holborn station is a central London Underground station on the Central and Piccadilly lines, located near major attractions such as the British Museum.
  • B. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • C. Tottenham Court Road station
    Tottenham Court Road station is a central London Underground station on the Central and Northern lines, located near Oxford Street and serving the West End.
  • D. Ealing Broadway station
    Ealing Broadway station is a major railway and London Underground interchange in west London, serving as a key hub for services between central London and the suburbs.
  • E. Farringdon station
    Farringdon station is a major central London railway, Underground, and Elizabeth line interchange known for its key role in connecting the City of London with wider suburban and national routes.
  • 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 Viaduct station
Triple: [Southern Railway (UK), main hub, Holborn Viaduct station]
Generated description
Holborn Viaduct station was a former central London railway terminus that served as a key commuter hub, particularly for services running to and from southern England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Holborn Viaduct station
Target entity description: Holborn Viaduct station was a former central London railway terminus that served as a key commuter hub, particularly for services running to and from southern England.
  • A. Holborn station
    Holborn station is a central London Underground station on the Central and Piccadilly lines, located near major attractions such as the British Museum.
  • B. Hampstead tube station
    Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
  • C. Tottenham Court Road station
    Tottenham Court Road station is a central London Underground station on the Central and Northern lines, located near Oxford Street and serving the West End.
  • D. Ealing Broadway station
    Ealing Broadway station is a major railway and London Underground interchange in west London, serving as a key hub for services between central London and the suburbs.
  • E. Farringdon station
    Farringdon station is a major central London railway, Underground, and Elizabeth line interchange known for its key role in connecting the City of London with wider suburban and national routes.
  • 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_69bd43d9cba4819086c1ab1c2d9d2133 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd6c3d1cb88190a42919dcbfe2568c completed March 20, 2026, 3:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf3a7def848190836605d706aa7599 completed March 22, 2026, 12:40 a.m.
NEDg Description generation batch_69bf3c38bbec8190a7722de71b9f7ce0 completed March 22, 2026, 12:47 a.m.
NED2 Entity disambiguation (via description) batch_69bf3c92220c819095e4e90f62086618 completed March 22, 2026, 12:49 a.m.
Created at: March 20, 2026, 1:15 p.m.