Triple

T3523286
Position Surface form Disambiguated ID Type / Status
Subject The Jockey Club E74476 entity
Predicate owns P347 FINISHED
Object Haydock Park Racecourse
Haydock Park Racecourse is a prominent British horse racing venue in Merseyside, known for hosting both flat and National Hunt racing, including major events like the Betfair Chase.
E378641 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: Haydock Park Racecourse | Statement: [The Jockey Club, owns, Haydock Park Racecourse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Haydock Park Racecourse
Context triple: [The Jockey Club, owns, Haydock Park Racecourse]
  • A. 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.
  • B. Meydan Racecourse
    Meydan Racecourse is a premier horse racing venue in Dubai, United Arab Emirates, renowned for hosting some of the world's richest and most prestigious thoroughbred racing events.
  • C. Kempton Park Racecourse
    Kempton Park Racecourse is a major British horse racing venue in Sunbury-on-Thames, Surrey, best known for hosting prominent National Hunt and flat racing events such as the King George VI Chase.
  • D. Epsom Downs Racecourse
    Epsom Downs Racecourse is a historic English horse racing venue best known as the home of the Epsom Derby, one of the world’s most prestigious flat races.
  • E. Hamilton Racecourse
    Hamilton Racecourse is a historic horse racing venue in Hamilton, Scotland, known for hosting flat racing events and serving as a prominent local sporting and entertainment facility.
  • 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: Haydock Park Racecourse
Triple: [The Jockey Club, owns, Haydock Park Racecourse]
Generated description
Haydock Park Racecourse is a prominent British horse racing venue in Merseyside, known for hosting both flat and National Hunt racing, including major events like the Betfair Chase.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Haydock Park Racecourse
Target entity description: Haydock Park Racecourse is a prominent British horse racing venue in Merseyside, known for hosting both flat and National Hunt racing, including major events like the Betfair Chase.
  • A. 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.
  • B. Meydan Racecourse
    Meydan Racecourse is a premier horse racing venue in Dubai, United Arab Emirates, renowned for hosting some of the world's richest and most prestigious thoroughbred racing events.
  • C. Kempton Park Racecourse
    Kempton Park Racecourse is a major British horse racing venue in Sunbury-on-Thames, Surrey, best known for hosting prominent National Hunt and flat racing events such as the King George VI Chase.
  • D. Epsom Downs Racecourse
    Epsom Downs Racecourse is a historic English horse racing venue best known as the home of the Epsom Derby, one of the world’s most prestigious flat races.
  • E. Hamilton Racecourse
    Hamilton Racecourse is a historic horse racing venue in Hamilton, Scotland, known for hosting flat racing events and serving as a prominent local sporting and entertainment facility.
  • 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_69ad85d0c5488190a3d8e02ebd01a1aa completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbc4f16b8819094ad2755670ddc7b completed March 8, 2026, 6:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69b48821c3388190957dfccdcbdfff40 completed March 13, 2026, 9:56 p.m.
NEDg Description generation batch_69b48a7df900819098fe4bbe97ea73b3 completed March 13, 2026, 10:06 p.m.
NED2 Entity disambiguation (via description) batch_69b4bcaa45cc8190a5db8bfd8845efb1 completed March 14, 2026, 1:40 a.m.
Created at: March 8, 2026, 3:19 p.m.