Triple

T10464850
Position Surface form Disambiguated ID Type / Status
Subject Acton, London, England E246764 entity
Predicate hasUndergroundStation P918 FINISHED
Object North Acton tube station
North Acton tube station is a London Underground station in the Acton area of west London, served by the Central line.
 E868763 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: North Acton tube station | Statement: [Acton, London, England, hasUndergroundStation, North Acton tube station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: North Acton tube station
Context triple: [Acton, London, England, hasUndergroundStation, North Acton tube station]
  • A. West Acton tube station
    West Acton tube station is a London Underground station in the Acton area of west London, served by the Central line.
  • B. 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.
  • C. Ladbroke Grove tube station
    Ladbroke Grove tube station is a London Underground station in West London served by the Circle and Hammersmith & City lines.
  • D. Belsize Park tube station
    Belsize Park tube station is a London Underground station on the Northern line serving the Belsize Park area in the London Borough of Camden.
  • E. 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.
  • 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: North Acton tube station
Triple: [Acton, London, England, hasUndergroundStation, North Acton tube station]
Generated description
North Acton tube station is a London Underground station in the Acton area of west London, served by the Central line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: North Acton tube station
Target entity description: North Acton tube station is a London Underground station in the Acton area of west London, served by the Central line.
  • A. West Acton tube station
    West Acton tube station is a London Underground station in the Acton area of west London, served by the Central line.
  • B. 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.
  • C. Ladbroke Grove tube station
    Ladbroke Grove tube station is a London Underground station in West London served by the Circle and Hammersmith & City lines.
  • D. Belsize Park tube station
    Belsize Park tube station is a London Underground station on the Northern line serving the Belsize Park area in the London Borough of Camden.
  • E. 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.
  • 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_69d381c16c248190a2fe5b471e584e9c completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d50886c2a8819086da6c08356ec6bf completed April 7, 2026, 1:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69d90dac584081909a79bc300b9338c8 completed April 10, 2026, 2:48 p.m.
NEDg Description generation batch_69d91196e4e88190bb4aeae8c475d636 completed April 10, 2026, 3:04 p.m.
NED2 Entity disambiguation (via description) batch_69d9126254408190a79ea571649416f6 completed April 10, 2026, 3:08 p.m.
Created at: April 6, 2026, 12:19 p.m.