Triple

T18631136
Position Surface form Disambiguated ID Type / Status
Subject Tattenham Corner line E455417 entity
Predicate namedAfter P63 FINISHED
Object Tattenham Corner bend at Epsom Downs 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: Tattenham Corner bend at Epsom Downs Racecourse | Statement: [Tattenham Corner line, namedAfter, Tattenham Corner bend at Epsom Downs Racecourse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tattenham Corner bend at Epsom Downs Racecourse
Context triple: [Tattenham Corner line, namedAfter, Tattenham Corner bend at Epsom Downs Racecourse]
  • A. Tattenham Corner chosen
    Tattenham Corner is the famous sharp bend on the Epsom Downs Racecourse, renowned as a pivotal point in major British horse races such as The Derby.
  • B. The Chase chicane
    The Chase chicane is a high-speed, right-left-right corner complex on Australia’s Mount Panorama Circuit, introduced to slow cars on the long Conrod Straight and enhance driver safety.
  • C. Rockingham Park racetrack
    Rockingham Park racetrack was a historic New Hampshire horse racing venue that operated for over a century before being closed and redeveloped.
  • D. Mulsanne Corner
    Mulsanne Corner is a famous tight right-hand turn on the Circuit de la Sarthe at Le Mans, marking the end of the long Mulsanne Straight and serving as one of the race’s most challenging braking zones.
  • E. Lydden Hill Race Circuit
    Lydden Hill Race Circuit is a renowned motor racing venue in Kent, England, best known as the birthplace of rallycross and for hosting various national and international motorsport events.
  • 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_69d8d38cc7948190a55ea64e5638994e completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e54f07fa8481908b2535b8fba70b7e completed April 19, 2026, 9:54 p.m.
Created at: April 10, 2026, 11:46 a.m.