Triple

T20429987
Position Surface form Disambiguated ID Type / Status
Subject Brompton Road E501104 entity
Predicate hasFormerUndergroundStation P79383 FINISHED
Object Brompton Road tube station
Brompton Road tube station was a disused London Underground station on the Piccadilly line, located between Knightsbridge and South Kensington and closed in the 1930s.
 E1552789 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: Brompton Road tube station | Statement: [Brompton Road, hasFormerUndergroundStation, Brompton Road tube station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brompton Road tube station
Context triple: [Brompton Road, hasFormerUndergroundStation, Brompton Road tube station]
  • A. Caledonian Road tube station
    Caledonian Road tube station is a London Underground station on the Piccadilly line in north London, serving the Barnsbury area and providing direct links to central London and Heathrow.
  • B. Latimer Road tube station
    Latimer Road tube station is a London Underground station in the Royal Borough of Kensington and Chelsea, served by the Circle and Hammersmith & City lines.
  • C. Gloucester Road tube station
    Gloucester Road tube station is a London Underground station in the Royal Borough of Kensington and Chelsea served by the District, Circle, and Piccadilly lines.
  • D. 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.
  • E. 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.
  • 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: Brompton Road tube station
Triple: [Brompton Road, hasFormerUndergroundStation, Brompton Road tube station]
Generated description
Brompton Road tube station was a disused London Underground station on the Piccadilly line, located between Knightsbridge and South Kensington and closed in the 1930s.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Brompton Road tube station
Target entity description: Brompton Road tube station was a disused London Underground station on the Piccadilly line, located between Knightsbridge and South Kensington and closed in the 1930s.
  • A. Caledonian Road tube station
    Caledonian Road tube station is a London Underground station on the Piccadilly line in north London, serving the Barnsbury area and providing direct links to central London and Heathrow.
  • B. Latimer Road tube station
    Latimer Road tube station is a London Underground station in the Royal Borough of Kensington and Chelsea, served by the Circle and Hammersmith & City lines.
  • C. Gloucester Road tube station
    Gloucester Road tube station is a London Underground station in the Royal Borough of Kensington and Chelsea served by the District, Circle, and Piccadilly lines.
  • D. 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.
  • E. 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.
  • 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_69e0b4aa68fc8190b1a14c55575ef04a completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e67bac39288190b294b291301ac843 completed April 20, 2026, 7:17 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0b97fc2600819085486a9d540c9df3 completed May 18, 2026, 10:51 p.m.
NEDg Description generation batch_6a0b9884cb548190958d16f42be4bea8 completed May 18, 2026, 10:53 p.m.
NED2 Entity disambiguation (via description) batch_6a0b98e7887881909ec9cc4a2a2167c5 completed May 18, 2026, 10:55 p.m.
Created at: April 16, 2026, 11:31 a.m.