Triple

T1818314
Position Surface form Disambiguated ID Type / Status
Subject Marylebone E40485 entity
Predicate hasUndergroundStation P918 FINISHED
Object 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.
 E258459 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: Regent’s Park station | Statement: [Marylebone, hasUndergroundStation, Regent’s Park station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Regent’s Park station
Context triple: [Marylebone, hasUndergroundStation, Regent’s Park station]
  • A. 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.
  • B. Marylebone station
    Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
  • C. 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.
  • D. Finsbury Park station
    Finsbury Park station is a major transport hub in North London, serving both National Rail and London Underground lines and providing access to surrounding areas including Arsenal’s Emirates Stadium.
  • E. Russell Square station
    Russell Square station is a London Underground station on the Piccadilly line, located near Russell Square and serving the Bloomsbury area in central London.
  • 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: Regent’s Park station
Triple: [Marylebone, hasUndergroundStation, Regent’s Park station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Regent’s Park station
Target entity description: 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.
  • A. 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.
  • B. Marylebone station
    Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
  • C. 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.
  • D. Finsbury Park station
    Finsbury Park station is a major transport hub in North London, serving both National Rail and London Underground lines and providing access to surrounding areas including Arsenal’s Emirates Stadium.
  • E. Russell Square station
    Russell Square station is a London Underground station on the Piccadilly line, located near Russell Square and serving the Bloomsbury area in central London.
  • 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_69a8864526c081908a3a4d74f689e2c5 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aa65f8c4e48190925aec9916dd6c30 completed March 6, 2026, 5:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae95e5cf008190a6638bb2c8d4d505 completed March 9, 2026, 9:41 a.m.
NEDg Description generation batch_69ae9694c390819095b3e935224902d3 completed March 9, 2026, 9:44 a.m.
NED2 Entity disambiguation (via description) batch_69ae9a5b2a04819091b102c51a5b2af4 completed March 9, 2026, 10 a.m.
Created at: March 4, 2026, 7:32 p.m.