Triple
T7074292
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chester Racecourse |
E164776
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object |
Chester Race Company Ltd
Chester Race Company Ltd is the management and operating company responsible for running horse racing and related events at Chester Racecourse in England.
|
E164776
|
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: Chester Race Company Ltd | Statement: [Chester Racecourse, operatedBy, Chester Race Company Ltd]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chester Race Company Ltd Context triple: [Chester Racecourse, operatedBy, Chester Race Company Ltd]
-
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.
Scone Race Club
Scone Race Club is a thoroughbred horse racing venue and club located in Scone, New South Wales, known for hosting regional race meetings and events.
-
C.
Gravesend Race Track
Gravesend Race Track was a prominent late-19th- and early-20th-century Thoroughbred horse racing venue in Brooklyn, New York, known for hosting major stakes races.
-
D.
Suffolk Downs
Suffolk Downs is a Massachusetts Bay Transportation Authority (MBTA) Blue Line rapid transit station located in East Boston, Massachusetts, near the site of the former Suffolk Downs horse racing track.
-
E.
The Jockey Club
The Jockey Club is a historic British horse racing organization that owns and operates numerous major racecourses and plays a central role in the governance and promotion of the sport in the UK.
- 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: Chester Race Company Ltd Triple: [Chester Racecourse, operatedBy, Chester Race Company Ltd]
Generated description
Chester Race Company Ltd is the management and operating company responsible for running horse racing and related events at Chester Racecourse in England.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chester Race Company Ltd Target entity description: Chester Race Company Ltd is the management and operating company responsible for running horse racing and related events at Chester Racecourse in England.
-
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.
Scone Race Club
Scone Race Club is a thoroughbred horse racing venue and club located in Scone, New South Wales, known for hosting regional race meetings and events.
-
C.
Gravesend Race Track
Gravesend Race Track was a prominent late-19th- and early-20th-century Thoroughbred horse racing venue in Brooklyn, New York, known for hosting major stakes races.
-
D.
Suffolk Downs
Suffolk Downs is a Massachusetts Bay Transportation Authority (MBTA) Blue Line rapid transit station located in East Boston, Massachusetts, near the site of the former Suffolk Downs horse racing track.
-
E.
The Jockey Club
The Jockey Club is a historic British horse racing organization that owns and operates numerous major racecourses and plays a central role in the governance and promotion of the sport in the UK.
- F. None of above.
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_69c6887cbc6c8190bdfac42d940f4d8a |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6e4ccb42c81909f5627aa97db7a84 |
completed | March 27, 2026, 8:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c79c8ca5a48190bbfbf640fb1f778d |
completed | March 28, 2026, 9:17 a.m. |
| NEDg | Description generation | batch_69c79d31a9e8819096e6a3040b1852a9 |
completed | March 28, 2026, 9:19 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c79dc7d7d8819097e423ef70b03040 |
completed | March 28, 2026, 9:22 a.m. |
Created at: March 27, 2026, 2:39 p.m.