Triple

T12648252
Position Surface form Disambiguated ID Type / Status
Subject Nine Elms E302087 entity
Predicate transportServedBy P1298 FINISHED
Object Nine Elms Underground station
Nine Elms Underground station is a London Underground station on the Northern line extension serving the Nine Elms redevelopment area in the London Borough of Wandsworth.
 E994383 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: Nine Elms Underground station | Statement: [Nine Elms, transportServedBy, Nine Elms Underground station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nine Elms Underground station
Context triple: [Nine Elms, transportServedBy, Nine Elms 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. 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.
  • C. Maida Vale Underground station
    Maida Vale Underground station is a London Underground station on the Bakerloo line, noted for its early 20th-century architecture and location in the Maida Vale district of northwest London.
  • D. Green Park Underground station
    Green Park Underground station is a central London Tube station serving the Jubilee, Piccadilly, and Victoria lines, located near Green Park and Buckingham Palace.
  • E. Golders Green Underground Station
    Golders Green Underground Station is a London Underground station on the Northern line serving the Golders Green 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: Nine Elms Underground station
Triple: [Nine Elms, transportServedBy, Nine Elms Underground station]
Generated description
Nine Elms Underground station is a London Underground station on the Northern line extension serving the Nine Elms redevelopment area in the London Borough of Wandsworth.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nine Elms Underground station
Target entity description: Nine Elms Underground station is a London Underground station on the Northern line extension serving the Nine Elms redevelopment area in the London Borough of Wandsworth.
  • 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. 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.
  • C. Maida Vale Underground station
    Maida Vale Underground station is a London Underground station on the Bakerloo line, noted for its early 20th-century architecture and location in the Maida Vale district of northwest London.
  • D. Green Park Underground station
    Green Park Underground station is a central London Tube station serving the Jubilee, Piccadilly, and Victoria lines, located near Green Park and Buckingham Palace.
  • E. Golders Green Underground Station
    Golders Green Underground Station is a London Underground station on the Northern line serving the Golders Green 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_69d7bdec9f9c8190b4bac675b7588211 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d9615cf6f48190bd0983cf7465ab15 completed April 10, 2026, 8:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6687bbb408190b80da2d0310f82c5 completed May 2, 2026, 9:11 p.m.
NEDg Description generation batch_69f6695372688190b09a2bb2e58cb546 completed May 2, 2026, 9:14 p.m.
NED2 Entity disambiguation (via description) batch_69f669fe4bc48190adba50ad58b10c45 completed May 2, 2026, 9:17 p.m.
Created at: April 9, 2026, 5:17 p.m.