Triple

T5588251
Position Surface form Disambiguated ID Type / Status
Subject Kempton Park Racecourse E146808 entity
Predicate hasRailwayStation P918 FINISHED
Object Kempton Park railway station
Kempton Park railway station is a railway stop in Surrey, England, primarily serving visitors to the adjacent Kempton Park Racecourse.
 E536680 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: Kempton Park railway station | Statement: [Kempton Park Racecourse, hasRailwayStation, Kempton Park railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kempton Park railway station
Context triple: [Kempton Park Racecourse, hasRailwayStation, Kempton Park railway station]
  • A. Epsom Downs railway station
    Epsom Downs railway station is a suburban rail station in Surrey, England, serving the Epsom Downs area and providing access to the nearby Epsom Downs Racecourse.
  • B. Tattenham Corner railway station
    Tattenham Corner railway station is a suburban rail station in Surrey, England, best known for serving racegoers attending events at the nearby Epsom Downs Racecourse, including the Epsom Derby.
  • C. Ascot railway station
    Ascot railway station is a suburban railway station in Ascot, Berkshire, England, serving as a key stop on the line between London Waterloo and Reading, particularly busy during events at Ascot Racecourse.
  • D. Keele station
    Keele station is a subway station in Toronto, Ontario, serving the Bloor–Danforth line of the Toronto Transit Commission (TTC).
  • E. Aldershot railway station
    Aldershot railway station is the main rail transport hub serving the town of Aldershot in Hampshire, England, providing regional and commuter services.
  • 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: Kempton Park railway station
Triple: [Kempton Park Racecourse, hasRailwayStation, Kempton Park railway station]
Generated description
Kempton Park railway station is a railway stop in Surrey, England, primarily serving visitors to the adjacent Kempton Park Racecourse.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kempton Park railway station
Target entity description: Kempton Park railway station is a railway stop in Surrey, England, primarily serving visitors to the adjacent Kempton Park Racecourse.
  • A. Epsom Downs railway station
    Epsom Downs railway station is a suburban rail station in Surrey, England, serving the Epsom Downs area and providing access to the nearby Epsom Downs Racecourse.
  • B. Tattenham Corner railway station
    Tattenham Corner railway station is a suburban rail station in Surrey, England, best known for serving racegoers attending events at the nearby Epsom Downs Racecourse, including the Epsom Derby.
  • C. Ascot railway station
    Ascot railway station is a suburban railway station in Ascot, Berkshire, England, serving as a key stop on the line between London Waterloo and Reading, particularly busy during events at Ascot Racecourse.
  • D. Keele station
    Keele station is a subway station in Toronto, Ontario, serving the Bloor–Danforth line of the Toronto Transit Commission (TTC).
  • E. Aldershot railway station
    Aldershot railway station is the main rail transport hub serving the town of Aldershot in Hampshire, England, providing regional and commuter services.
  • 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_69c009036c408190981a8d690b679b67 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c0209e892c8190b936a05ef2a14d36 completed March 22, 2026, 5:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69c04d2f8710819094f5d052b767b9a6 completed March 22, 2026, 8:12 p.m.
NEDg Description generation batch_69c04e88680c8190845723f52c060fb7 completed March 22, 2026, 8:18 p.m.
NED2 Entity disambiguation (via description) batch_69c04f7856848190a835c3ee0a32f649 completed March 22, 2026, 8:22 p.m.
Created at: March 22, 2026, 3:38 p.m.