Triple

T10464846
Position Surface form Disambiguated ID Type / Status
Subject Acton, London, England E246764 entity
Predicate hasRailwayStation P918 FINISHED
Object Acton Central railway station
Acton Central railway station is a London Overground station in the Acton area of west London, providing local rail services on the North London Line.
 E866232 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: Acton Central railway station | Statement: [Acton, London, England, hasRailwayStation, Acton Central railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Acton Central railway station
Context triple: [Acton, London, England, hasRailwayStation, Acton Central railway station]
  • A. Newtonville station
    Newtonville station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Newtonville neighborhood of Newton, Massachusetts.
  • B. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • C. Medford station
    Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
  • D. Copley station
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • E. Lowell station
    Lowell station is a passenger rail station in Lowell, Massachusetts that serves as the northern terminus of the MBTA Commuter Rail’s Lowell Line.
  • 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: Acton Central railway station
Triple: [Acton, London, England, hasRailwayStation, Acton Central railway station]
Generated description
Acton Central railway station is a London Overground station in the Acton area of west London, providing local rail services on the North London Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Acton Central railway station
Target entity description: Acton Central railway station is a London Overground station in the Acton area of west London, providing local rail services on the North London Line.
  • A. Newtonville station
    Newtonville station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Newtonville neighborhood of Newton, Massachusetts.
  • B. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • C. Medford station
    Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
  • D. Copley station
    Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
  • E. Lowell station
    Lowell station is a passenger rail station in Lowell, Massachusetts that serves as the northern terminus of the MBTA Commuter Rail’s Lowell Line.
  • 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_69d89fd865688190b0b5708481f397f4 completed April 10, 2026, 6:59 a.m.
NEDg Description generation batch_69d8a43ae8a48190b1c05b6a91dfed9a completed April 10, 2026, 7:18 a.m.
NED2 Entity disambiguation (via description) batch_69d8b8fe1b9c8190b5a4787797ad7120 completed April 10, 2026, 8:46 a.m.
Created at: April 6, 2026, 12:19 p.m.