Triple

T963124
Position Surface form Disambiguated ID Type / Status
Subject Southwark E20778 entity
Predicate hasUndergroundStation P918 FINISHED
Object Elephant & Castle Underground station
Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
 E129317 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: Elephant & Castle Underground station | Statement: [Southwark, hasUndergroundStation, Elephant & Castle Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Elephant & Castle Underground station
Context triple: [Southwark, hasUndergroundStation, Elephant & Castle Underground station]
  • A. Euston Underground station
    Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
  • B. Southwark station
    Southwark station is a London Underground station on the Jubilee line, serving the South Bank area near major cultural attractions.
  • C. Westminster Underground Station
    Westminster Underground Station is a central London Tube station serving the Westminster area, including key landmarks such as the Houses of Parliament and Big Ben.
  • D. Oxford Circus Underground station
    Oxford Circus Underground station is a major London Underground interchange in the West End, serving the Bakerloo, Central, and Victoria lines at the junction of Oxford Street and Regent Street.
  • 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: Elephant & Castle Underground station
Triple: [Southwark, hasUndergroundStation, Elephant & Castle Underground station]
Generated description
Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Elephant & Castle Underground station
Target entity description: Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
  • A. Euston Underground station
    Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
  • B. Southwark station
    Southwark station is a London Underground station on the Jubilee line, serving the South Bank area near major cultural attractions.
  • C. Westminster Underground Station
    Westminster Underground Station is a central London Tube station serving the Westminster area, including key landmarks such as the Houses of Parliament and Big Ben.
  • D. Oxford Circus Underground station
    Oxford Circus Underground station is a major London Underground interchange in the West End, serving the Bakerloo, Central, and Victoria lines at the junction of Oxford Street and Regent Street.
  • 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_69a493b21f2881908132dcf45dcd2f36 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4b74fc204819083dbed5c19c4bc15 completed March 1, 2026, 10:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac5992e4a88190b10b98efd24c3616 completed March 7, 2026, 5 p.m.
NEDg Description generation batch_69ac5a0047d481909989d470db7a3ae2 completed March 7, 2026, 5:01 p.m.
NED2 Entity disambiguation (via description) batch_69ac5a8c4be88190b53a42dd356b99fb completed March 7, 2026, 5:04 p.m.
Created at: March 1, 2026, 7:40 p.m.