Triple
T2435591
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | O. R. Tambo International Airport |
E52952
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | Kempton Park |
E280925
|
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: Kempton Park | Statement: [O. R. Tambo International Airport, locatedIn, Kempton Park]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kempton Park Context triple: [O. R. Tambo International Airport, locatedIn, Kempton Park]
-
A.
Kempton Park
chosen
Kempton Park is a town on the East Rand in Gauteng, South Africa, known for housing OR Tambo International Airport and being part of the greater Johannesburg metropolitan area.
-
B.
Kempton Park Racecourse
Kempton Park Racecourse is a major British horse racing venue in Sunbury-on-Thames, Surrey, best known for hosting prominent National Hunt and flat racing events such as the King George VI Chase.
-
C.
Windsor Racecourse
Windsor Racecourse is a popular British horse racing venue located on an island in the River Thames near Windsor, known for its evening flat races and picturesque setting.
-
D.
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.
-
E.
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.
- 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_69ab4959bcc0819083246f9fb10439e3 |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abc9cd49b48190bff10a5ab7cef483 |
completed | March 7, 2026, 6:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af9060a6b88190b80e5fb0970957e1 |
completed | March 10, 2026, 3:30 a.m. |
Created at: March 6, 2026, 9:43 p.m.