Triple

T4349689
Position Surface form Disambiguated ID Type / Status
Subject British Classics E97991 entity
Predicate hasRacecourse P16266 FINISHED
Object Doncaster Racecourse
Doncaster Racecourse is a historic English horse racing venue best known as the home of the St Leger Stakes, the oldest of Britain’s five Classic races.
E449447 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: Doncaster Racecourse | Statement: [British Classics, hasRacecourse, Doncaster Racecourse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Doncaster Racecourse
Context triple: [British Classics, hasRacecourse, Doncaster Racecourse]
  • A. Nottingham Racecourse
    Nottingham Racecourse is a British horse racing venue in Nottingham known for hosting flat racing events.
  • B. Warwick Racecourse
    Warwick Racecourse is a historic British horse racing venue in Warwick, England, known for hosting National Hunt (jump) racing events.
  • C. Huntingdon Racecourse
    Huntingdon Racecourse is a British National Hunt horse racing venue in Cambridgeshire known for its jump racing fixtures and friendly, rural atmosphere.
  • D. Chester Racecourse
    Chester Racecourse is a historic English horse racing venue in Chester, Cheshire, reputed to be the oldest racecourse still in operation in the world.
  • E. Wincanton Racecourse
    Wincanton Racecourse is a British National Hunt horse racing venue in Somerset, known for hosting jump racing events including key trials for the Cheltenham Festival.
  • 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: Doncaster Racecourse
Triple: [British Classics, hasRacecourse, Doncaster Racecourse]
Generated description
Doncaster Racecourse is a historic English horse racing venue best known as the home of the St Leger Stakes, the oldest of Britain’s five Classic races.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Doncaster Racecourse
Target entity description: Doncaster Racecourse is a historic English horse racing venue best known as the home of the St Leger Stakes, the oldest of Britain’s five Classic races.
  • A. Nottingham Racecourse
    Nottingham Racecourse is a British horse racing venue in Nottingham known for hosting flat racing events.
  • B. Warwick Racecourse
    Warwick Racecourse is a historic British horse racing venue in Warwick, England, known for hosting National Hunt (jump) racing events.
  • C. Huntingdon Racecourse
    Huntingdon Racecourse is a British National Hunt horse racing venue in Cambridgeshire known for its jump racing fixtures and friendly, rural atmosphere.
  • D. Chester Racecourse
    Chester Racecourse is a historic English horse racing venue in Chester, Cheshire, reputed to be the oldest racecourse still in operation in the world.
  • E. Wincanton Racecourse
    Wincanton Racecourse is a British National Hunt horse racing venue in Somerset, known for hosting jump racing events including key trials for the Cheltenham Festival.
  • 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_69b3454965f881908c41190bb22f0e4b completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b351a840248190b88c8a7be9158d25 completed March 12, 2026, 11:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69bda4073aa88190ba64691b93aab900 completed March 20, 2026, 7:46 p.m.
NEDg Description generation batch_69bda586202c8190960d36bdaa1284a7 completed March 20, 2026, 7:52 p.m.
NED2 Entity disambiguation (via description) batch_69bda5dd44388190861ddf5f689b739c completed March 20, 2026, 7:54 p.m.
Created at: March 12, 2026, 11:15 p.m.