Triple

T15540123
Position Surface form Disambiguated ID Type / Status
Subject London Paddington–Didcot Parkway E370452 entity
Predicate hasStation P35 FINISHED
Object Southall railway station
Southall railway station is a suburban rail station in the London Borough of Ealing that serves the Southall area on the Great Western Main Line.
 E1161596 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: Southall railway station | Statement: [London Paddington–Didcot Parkway, hasStation, Southall railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southall railway station
Context triple: [London Paddington–Didcot Parkway, hasStation, Southall railway station]
  • A. Willesden Junction station
    Willesden Junction station is a major rail and London Overground interchange in northwest London, serving multiple lines and acting as a key hub for suburban and orbital services.
  • B. Bedminster railway station
    Bedminster railway station is a suburban rail stop in Bristol, England, serving the Bedminster area on the line between Bristol Temple Meads and the wider regional network.
  • C. Enfield station
    Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
  • D. Amersham station
    Amersham station is a London Underground and National Rail station in Buckinghamshire that serves as the outer terminus of the Metropolitan line and a key commuter hub into central London.
  • E. Hounslow railway station
    Hounslow railway station is a National Rail station in the London Borough of Hounslow providing suburban and commuter services on the line between central London and southwest London.
  • 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: Southall railway station
Triple: [London Paddington–Didcot Parkway, hasStation, Southall railway station]
Generated description
Southall railway station is a suburban rail station in the London Borough of Ealing that serves the Southall area on the Great Western Main Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Southall railway station
Target entity description: Southall railway station is a suburban rail station in the London Borough of Ealing that serves the Southall area on the Great Western Main Line.
  • A. Willesden Junction station
    Willesden Junction station is a major rail and London Overground interchange in northwest London, serving multiple lines and acting as a key hub for suburban and orbital services.
  • B. Bedminster railway station
    Bedminster railway station is a suburban rail stop in Bristol, England, serving the Bedminster area on the line between Bristol Temple Meads and the wider regional network.
  • C. Enfield station
    Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
  • D. Amersham station
    Amersham station is a London Underground and National Rail station in Buckinghamshire that serves as the outer terminus of the Metropolitan line and a key commuter hub into central London.
  • E. Hounslow railway station
    Hounslow railway station is a National Rail station in the London Borough of Hounslow providing suburban and commuter services on the line between central London and southwest London.
  • 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_69d85cc521a08190921fb50319dddc34 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04430b5188190a555a3cd4fb0c61c completed April 16, 2026, 2:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff3d6396f08190a09253ac63110384 completed May 9, 2026, 1:57 p.m.
NEDg Description generation batch_69ff3de663848190936a5b1d31d18c75 completed May 9, 2026, 2 p.m.
NED2 Entity disambiguation (via description) batch_69ff3e8c5f308190a335dbc45f9d88ee completed May 9, 2026, 2:02 p.m.
Created at: April 10, 2026, 4:07 a.m.