Triple
T1162313
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chepstow |
E24520
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object |
Chepstow Racecourse
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.
|
E133442
|
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: Chepstow Racecourse | Statement: [Chepstow, hasStructure, Chepstow Racecourse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chepstow Racecourse Context triple: [Chepstow, hasStructure, Chepstow Racecourse]
-
A.
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.
-
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.
Newbury Racecourse
Newbury Racecourse is a prominent British horse racing venue known for hosting both flat and National Hunt races, including major events like the Ladbrokes Trophy.
-
D.
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.
-
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: Chepstow Racecourse Triple: [Chepstow, hasStructure, Chepstow Racecourse]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chepstow Racecourse Target entity description: 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.
-
A.
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.
-
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.
Newbury Racecourse
Newbury Racecourse is a prominent British horse racing venue known for hosting both flat and National Hunt races, including major events like the Ladbrokes Trophy.
-
D.
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.
-
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_69a494060e148190abb42f971242c197 |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bcb2bb84819088bd94e91c10fb0c |
completed | March 1, 2026, 10:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac66803e0881908d2eea76dad028fa |
completed | March 7, 2026, 5:55 p.m. |
| NEDg | Description generation | batch_69ac670b57808190bee4aa0be78ae8a1 |
completed | March 7, 2026, 5:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac67e981e88190b10ad4ab72337557 |
completed | March 7, 2026, 6:01 p.m. |
Created at: March 1, 2026, 7:45 p.m.