Triple

T5588246
Position Surface form Disambiguated ID Type / Status
Subject Kempton Park Racecourse E146808 entity
Predicate hasNotableRace P51905 FINISHED
Object Rosebery Handicap
The Rosebery Handicap is a prominent British flat horse race run over a middle distance at Kempton Park Racecourse, typically attracting competitive handicap fields each spring.
E536396 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: Rosebery Handicap | Statement: [Kempton Park Racecourse, hasNotableRace, Rosebery Handicap]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rosebery Handicap
Context triple: [Kempton Park Racecourse, hasNotableRace, Rosebery Handicap]
  • A. Cambridgeshire Handicap
    The Cambridgeshire Handicap is a historic and prestigious flat horse race in Britain, run over a middle distance at Newmarket and known for attracting large, competitive fields.
  • B. Greenham Stakes
    The Greenham Stakes is a prominent Group 3 flat horse race in Great Britain for three-year-olds, often used as a trial for the 2000 Guineas.
  • C. Clark Handicap
    The Clark Handicap is a prestigious American Grade I thoroughbred horse race traditionally run in late November at Churchill Downs in Louisville, Kentucky.
  • D. Queen Anne Stakes
    The Queen Anne Stakes is a prestigious Group 1 flat horse race in Britain, run at Royal Ascot over a mile for top-class older thoroughbreds.
  • E. Nunthorpe Stakes
    The Nunthorpe Stakes is a prestigious Group 1 flat horse race in Great Britain, run over five furlongs at York Racecourse and renowned as one of the top sprint races in the racing calendar.
  • 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: Rosebery Handicap
Triple: [Kempton Park Racecourse, hasNotableRace, Rosebery Handicap]
Generated description
The Rosebery Handicap is a prominent British flat horse race run over a middle distance at Kempton Park Racecourse, typically attracting competitive handicap fields each spring.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rosebery Handicap
Target entity description: The Rosebery Handicap is a prominent British flat horse race run over a middle distance at Kempton Park Racecourse, typically attracting competitive handicap fields each spring.
  • A. Cambridgeshire Handicap
    The Cambridgeshire Handicap is a historic and prestigious flat horse race in Britain, run over a middle distance at Newmarket and known for attracting large, competitive fields.
  • B. Greenham Stakes
    The Greenham Stakes is a prominent Group 3 flat horse race in Great Britain for three-year-olds, often used as a trial for the 2000 Guineas.
  • C. Clark Handicap
    The Clark Handicap is a prestigious American Grade I thoroughbred horse race traditionally run in late November at Churchill Downs in Louisville, Kentucky.
  • D. Queen Anne Stakes
    The Queen Anne Stakes is a prestigious Group 1 flat horse race in Britain, run at Royal Ascot over a mile for top-class older thoroughbreds.
  • E. Nunthorpe Stakes
    The Nunthorpe Stakes is a prestigious Group 1 flat horse race in Great Britain, run over five furlongs at York Racecourse and renowned as one of the top sprint races in the racing calendar.
  • 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_69c04e879a8c8190942968982223f6e4 completed March 22, 2026, 8:18 p.m.
NED2 Entity disambiguation (via description) batch_69c04f3c31b48190aeefd41bea55d367 completed March 22, 2026, 8:21 p.m.
Created at: March 22, 2026, 3:38 p.m.