Triple

T18116569
Position Surface form Disambiguated ID Type / Status
Subject Alperton E433619 entity
Predicate hasNearbyStation P5648 FINISHED
Object Alperton Underground station
Alperton Underground station is a London Underground station in the borough of Brent, served by the Piccadilly line and providing transport links between west London and central London.
 E1448437 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: Alperton Underground station | Statement: [Alperton, hasNearbyStation, Alperton Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alperton Underground station
Context triple: [Alperton, hasNearbyStation, Alperton Underground station]
  • A. Balham Underground station
    Balham Underground station is a London Underground station in south London served by the Northern line, providing access to the Balham area and connections with National Rail services.
  • B. Upton Park Underground station
    Upton Park Underground station is a London Underground station in East London that historically served crowds attending West Ham United football matches at the nearby Boleyn Ground.
  • C. Northolt Underground station
    Northolt Underground station is a London Underground station in the west of the city, serving the Central line and the suburban area of Northolt in the London Borough of Ealing.
  • D. Colliers Wood tube station
    Colliers Wood tube station is a London Underground station on the Northern line in south-west London, notable for its modernist architectural style by Charles Holden.
  • E. 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.
  • 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: Alperton Underground station
Triple: [Alperton, hasNearbyStation, Alperton Underground station]
Generated description
Alperton Underground station is a London Underground station in the borough of Brent, served by the Piccadilly line and providing transport links between west London and central London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Alperton Underground station
Target entity description: Alperton Underground station is a London Underground station in the borough of Brent, served by the Piccadilly line and providing transport links between west London and central London.
  • A. Balham Underground station
    Balham Underground station is a London Underground station in south London served by the Northern line, providing access to the Balham area and connections with National Rail services.
  • B. Upton Park Underground station
    Upton Park Underground station is a London Underground station in East London that historically served crowds attending West Ham United football matches at the nearby Boleyn Ground.
  • C. Northolt Underground station
    Northolt Underground station is a London Underground station in the west of the city, serving the Central line and the suburban area of Northolt in the London Borough of Ealing.
  • D. Colliers Wood tube station
    Colliers Wood tube station is a London Underground station on the Northern line in south-west London, notable for its modernist architectural style by Charles Holden.
  • E. 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.
  • 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_69d8b90916008190a1f110bd7ced5473 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4ddd67a2481909d27a4a49b095f8c completed April 19, 2026, 1:51 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08e81e54d4819099def0167ac64e26 completed May 16, 2026, 9:56 p.m.
NEDg Description generation batch_6a08e8fc1d6c819083f06debaa3bec24 completed May 16, 2026, 10 p.m.
NED2 Entity disambiguation (via description) batch_6a08e98a594c8190b3a2d9ae7e3af4f7 completed May 16, 2026, 10:02 p.m.
Created at: April 10, 2026, 10:28 a.m.