Triple

T10464851
Position Surface form Disambiguated ID Type / Status
Subject Acton, London, England E246764 entity
Predicate hasUndergroundStation P918 FINISHED
Object East Acton tube station
East Acton tube station is a London Underground station in West London served by the Central line.
 E871204 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: East Acton tube station | Statement: [Acton, London, England, hasUndergroundStation, East Acton tube station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East Acton tube station
Context triple: [Acton, London, England, hasUndergroundStation, East 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. 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.
  • C. Acton Town Underground station
    Acton Town Underground station is a London Underground station in west London serving the Piccadilly and District lines.
  • D. South Acton station
    South Acton station is a commuter rail stop in Acton, Massachusetts, serving as a key station on the MBTA Fitchburg Line connecting the town to Boston and surrounding areas.
  • 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: East Acton tube station
Triple: [Acton, London, England, hasUndergroundStation, East Acton tube station]
Generated description
East Acton tube station is a London Underground station in West London served by the Central line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: East Acton tube station
Target entity description: East Acton tube station is a London Underground station in 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. 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.
  • C. Acton Town Underground station
    Acton Town Underground station is a London Underground station in west London serving the Piccadilly and District lines.
  • D. South Acton station
    South Acton station is a commuter rail stop in Acton, Massachusetts, serving as a key station on the MBTA Fitchburg Line connecting the town to Boston and surrounding areas.
  • 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_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_69d933b40ff8819097e994a496228b7d completed April 10, 2026, 5:30 p.m.
NEDg Description generation batch_69d938c697f481908a93296ee7f82eae completed April 10, 2026, 5:52 p.m.
NED2 Entity disambiguation (via description) batch_69d940176c988190b7583ce9f2c21898 completed April 10, 2026, 6:23 p.m.
Created at: April 6, 2026, 12:19 p.m.