Triple

T4697653
Position Surface form Disambiguated ID Type / Status
Subject Barbican Centre E104188 entity
Predicate publicTransitAccess P1288 FINISHED
Object Barbican station
Barbican station is a London Underground station in the City of London serving the Circle, Hammersmith & City, and Metropolitan lines near the Barbican Centre.
 E524568 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: Barbican station | Statement: [Barbican Centre, publicTransitAccess, Barbican station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Barbican station
Context triple: [Barbican Centre, publicTransitAccess, Barbican station]
  • A. Embankment station
    Embankment station is a central London Underground and National Rail station located on the north bank of the River Thames, serving as a key interchange for multiple Tube lines near major landmarks such as Trafalgar Square.
  • B. Covent Garden station
    Covent Garden station is a London Underground station on the Piccadilly line, serving the Covent Garden area in the West End of London.
  • C. Leicester Square station
    Leicester Square station is a London Underground station in the West End, serving the Northern and Piccadilly lines close to major attractions such as Leicester Square and Trafalgar Square.
  • D. Regent’s Park station
    Regent’s Park station is a London Underground station on the Bakerloo line, located near Regent’s Park and the Marylebone area in central London.
  • E. Southwark station
    Southwark station is a London Underground station on the Jubilee line, serving the South Bank area near major cultural attractions.
  • 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: Barbican station
Triple: [Barbican Centre, publicTransitAccess, Barbican station]
Generated description
Barbican station is a London Underground station in the City of London serving the Circle, Hammersmith & City, and Metropolitan lines near the Barbican Centre.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Barbican station
Target entity description: Barbican station is a London Underground station in the City of London serving the Circle, Hammersmith & City, and Metropolitan lines near the Barbican Centre.
  • A. Embankment station
    Embankment station is a central London Underground and National Rail station located on the north bank of the River Thames, serving as a key interchange for multiple Tube lines near major landmarks such as Trafalgar Square.
  • B. Covent Garden station
    Covent Garden station is a London Underground station on the Piccadilly line, serving the Covent Garden area in the West End of London.
  • C. Leicester Square station
    Leicester Square station is a London Underground station in the West End, serving the Northern and Piccadilly lines close to major attractions such as Leicester Square and Trafalgar Square.
  • D. Regent’s Park station
    Regent’s Park station is a London Underground station on the Bakerloo line, located near Regent’s Park and the Marylebone area in central London.
  • E. Southwark station
    Southwark station is a London Underground station on the Jubilee line, serving the South Bank area near major cultural attractions.
  • 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_69bd43e9b88481908582103dcadff3d9 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd63b4489c8190a3c30a8a70fcb67e completed March 20, 2026, 3:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf77a49ddc819082fdfe7389b0d8a1 completed March 22, 2026, 5:01 a.m.
NEDg Description generation batch_69bf789ea6648190b418b35ef4f8d802 completed March 22, 2026, 5:05 a.m.
NED2 Entity disambiguation (via description) batch_69bf78eb6afc8190ac471d8ffc6372e3 completed March 22, 2026, 5:06 a.m.
Created at: March 20, 2026, 1:17 p.m.