Triple
T831743
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Epsom Downs Racecourse |
E17979
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Jockey Club Racecourses |
E102016
|
NE FINISHED |
How this triple was built (2 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: Jockey Club Racecourses | Statement: [Epsom Downs Racecourse, operatedBy, Jockey Club Racecourses]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jockey Club Racecourses Context triple: [Epsom Downs Racecourse, operatedBy, Jockey Club Racecourses]
-
A.
Jockey Club Racecourses
chosen
Jockey Club Racecourses is a major British racecourse operator that owns and manages many of the UK’s leading horse racing venues.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Sandown Park Racecourse
Sandown Park Racecourse is a prominent British horse racing venue known for hosting both flat and National Hunt races, located in Esher, Surrey.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a4937c9c188190aaa216f6b466f452 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4abb4be948190ae757df85bdc40e4 |
completed | March 1, 2026, 9:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7c0144a70819098aa4872a02b62b7 |
completed | March 4, 2026, 5:16 a.m. |
Created at: March 1, 2026, 7:38 p.m.