Triple

T6490667
Position Surface form Disambiguated ID Type / Status
Subject London Borough of Enfield E148026 entity
Predicate hasUndergroundStation P918 FINISHED
Object Cockfosters tube station
Cockfosters tube station is the northern terminus of the London Underground’s Piccadilly line, serving the Cockfosters area in the London Borough of Enfield.
 E598002 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: Cockfosters tube station | Statement: [London Borough of Enfield, hasUndergroundStation, Cockfosters tube station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cockfosters tube station
Context triple: [London Borough of Enfield, hasUndergroundStation, Cockfosters tube station]
  • A. Osterley tube station
    Osterley tube station is a London Underground station on the Piccadilly line serving the Osterley area in west London.
  • 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. Parsons Green tube station
    Parsons Green tube station is a London Underground station on the District line serving the Parsons Green area in the London Borough of Hammersmith and Fulham.
  • D. Northfields tube station
    Northfields tube station is a London Underground station in west London on the Piccadilly line, serving the Northfields area between South Ealing and Boston Manor.
  • E. Hendon Central Underground station
    Hendon Central Underground station is a London Underground station on the Northern line serving the Hendon area in the London Borough of Barnet.
  • 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: Cockfosters tube station
Triple: [London Borough of Enfield, hasUndergroundStation, Cockfosters tube station]
Generated description
Cockfosters tube station is the northern terminus of the London Underground’s Piccadilly line, serving the Cockfosters area in the London Borough of Enfield.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cockfosters tube station
Target entity description: Cockfosters tube station is the northern terminus of the London Underground’s Piccadilly line, serving the Cockfosters area in the London Borough of Enfield.
  • A. Osterley tube station
    Osterley tube station is a London Underground station on the Piccadilly line serving the Osterley area in west London.
  • 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. Parsons Green tube station
    Parsons Green tube station is a London Underground station on the District line serving the Parsons Green area in the London Borough of Hammersmith and Fulham.
  • D. Northfields tube station
    Northfields tube station is a London Underground station in west London on the Piccadilly line, serving the Northfields area between South Ealing and Boston Manor.
  • E. Hendon Central Underground station
    Hendon Central Underground station is a London Underground station on the Northern line serving the Hendon area in the London Borough of Barnet.
  • 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_69c009088f3081909cd467b05919de30 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c06a9a8d8481908d88e5c9f0c773f7 completed March 22, 2026, 10:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c66385943081908630aa0f2cdefa06 completed March 27, 2026, 11:01 a.m.
NEDg Description generation batch_69c6642b47048190ad5b5338b2ccac7b completed March 27, 2026, 11:04 a.m.
NED2 Entity disambiguation (via description) batch_69c66494b114819095a29ab6b699c2ad completed March 27, 2026, 11:05 a.m.
Created at: March 22, 2026, 4:53 p.m.