Triple
T17890500
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chester, Cheshire, England |
E447301
|
entity |
| Predicate | hasAttraction |
P105
|
FINISHED |
| Object | Chester 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: Chester Racecourse | Statement: [Chester, Cheshire, England, hasAttraction, Chester Racecourse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chester Racecourse Context triple: [Chester, Cheshire, England, hasAttraction, Chester Racecourse]
-
A.
Chester Racecourse
chosen
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.
Huntingdon Racecourse
Huntingdon Racecourse is a British National Hunt horse racing venue in Cambridgeshire known for its jump racing fixtures and friendly, rural atmosphere.
-
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.
Carlisle Racecourse
Carlisle Racecourse is a British horse racing venue in Cumbria known for hosting both flat and National Hunt races, including the historic Carlisle Bell.
-
E.
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.
- 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_69d8b9f59bd48190a6fc925a855b8bac |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e49d7948888190b59ddc7061d13e84 |
completed | April 19, 2026, 9:16 a.m. |
Created at: April 10, 2026, 10:18 a.m.