Triple
T22678640
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arena Racing Company |
E560417
|
entity |
| Predicate | owns |
P347
|
FINISHED |
| Object | Chepstow Racecourse |
—
|
NE NERFINISHED |
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: Chepstow Racecourse | Statement: [Arena Racing Company, owns, Chepstow Racecourse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chepstow Racecourse Context triple: [Arena Racing Company, owns, Chepstow Racecourse]
-
A.
Chepstow Racecourse
chosen
Chepstow Racecourse is a prominent horse racing venue in Monmouthshire, Wales, best known for hosting major National Hunt and flat racing events including the Welsh Grand National.
-
B.
Warwick Racecourse
Warwick Racecourse is a historic British horse racing venue in Warwick, England, known for hosting National Hunt (jump) racing events.
-
C.
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.
-
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.
Salisbury Racecourse
Salisbury Racecourse is a historic thoroughbred horse racing venue in Wiltshire, England, known for its picturesque downland setting and flat racing events.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e2454bfd00819099115715a22cb057 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f1785e4e7481909f1ebd6d8dbd6585 |
completed | April 29, 2026, 3:17 a.m. |
Created at: April 17, 2026, 3:11 p.m.