Triple

T16790244
Position Surface form Disambiguated ID Type / Status
Subject Gatwick Airport railway station E408086 entity
Predicate formerName P65 FINISHED
Object Gatwick Racecourse
Gatwick Racecourse was a former horse racing venue in West Sussex, England, that once occupied the site now associated with Gatwick Airport and its railway station.
E1236064 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: Gatwick Racecourse | Statement: [Gatwick Airport railway station, formerName, Gatwick Racecourse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Gatwick Racecourse
Context triple: [Gatwick Airport railway station, formerName, Gatwick Racecourse]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Warwick Racecourse
    Warwick Racecourse is a historic British horse racing venue in Warwick, England, known for hosting National Hunt (jump) racing events.
  • E. Ascot Racecourse
    Ascot Racecourse is a world-famous British horse racing venue in Berkshire, best known for hosting the prestigious Royal Ascot meeting attended by members of the royal family.
  • 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: Gatwick Racecourse
Triple: [Gatwick Airport railway station, formerName, Gatwick Racecourse]
Generated description
Gatwick Racecourse was a former horse racing venue in West Sussex, England, that once occupied the site now associated with Gatwick Airport and its railway station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Gatwick Racecourse
Target entity description: Gatwick Racecourse was a former horse racing venue in West Sussex, England, that once occupied the site now associated with Gatwick Airport and its railway station.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Warwick Racecourse
    Warwick Racecourse is a historic British horse racing venue in Warwick, England, known for hosting National Hunt (jump) racing events.
  • E. Ascot Racecourse
    Ascot Racecourse is a world-famous British horse racing venue in Berkshire, best known for hosting the prestigious Royal Ascot meeting attended by members of the royal family.
  • 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_69d8839270588190886720d9519bbf8f completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e3b2a5d10c8190a581de79e4f7ccfa completed April 18, 2026, 4:34 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00bb0adc408190a9cbfefdef8c669e completed May 10, 2026, 5:06 p.m.
NEDg Description generation batch_6a00bbb628208190b0be62a333e7e442 completed May 10, 2026, 5:09 p.m.
NED2 Entity disambiguation (via description) batch_6a00bc3a4b888190bd190b9330e2777d completed May 10, 2026, 5:11 p.m.
Created at: April 10, 2026, 5:22 a.m.