Triple

T15042749
Position Surface form Disambiguated ID Type / Status
Subject Haydock Park Racecourse E378641 entity
Predicate hostsEvent P613 FINISHED
Object Grand National Trial
The Grand National Trial is a prominent long-distance handicap steeplechase in British horse racing, often used as a key preparatory race for the Grand National.
 E1133059 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: Grand National Trial | Statement: [Haydock Park Racecourse, hostsEvent, Grand National Trial]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grand National Trial
Context triple: [Haydock Park Racecourse, hostsEvent, Grand National Trial]
  • A. Grand National
    The Grand National is a famous and notoriously challenging annual steeplechase horse race held at Aintree Racecourse near Liverpool, England.
  • B. Grand National
    The Grand National is a classic wooden racing roller coaster at Blackpool Pleasure Beach in England, themed around the famous horse race and known for its dueling track design.
  • C. Welsh Grand National
    The Welsh Grand National is a prestigious long-distance steeplechase horse race run annually in Wales, forming part of the United Kingdom’s major National Hunt racing calendar.
  • D. Midlands Grand National
    The Midlands Grand National is a long-distance steeplechase horse race in England, known for its demanding stamina test and place in the National Hunt racing calendar.
  • E. Scottish Grand National
    The Scottish Grand National is a prestigious annual National Hunt steeplechase held at Ayr Racecourse in Scotland, regarded as one of the most important long-distance handicap chases in British horse racing.
  • 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: Grand National Trial
Triple: [Haydock Park Racecourse, hostsEvent, Grand National Trial]
Generated description
The Grand National Trial is a prominent long-distance handicap steeplechase in British horse racing, often used as a key preparatory race for the Grand National.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Grand National Trial
Target entity description: The Grand National Trial is a prominent long-distance handicap steeplechase in British horse racing, often used as a key preparatory race for the Grand National.
  • A. Grand National
    The Grand National is a famous and notoriously challenging annual steeplechase horse race held at Aintree Racecourse near Liverpool, England.
  • B. Grand National
    The Grand National is a classic wooden racing roller coaster at Blackpool Pleasure Beach in England, themed around the famous horse race and known for its dueling track design.
  • C. Welsh Grand National
    The Welsh Grand National is a prestigious long-distance steeplechase horse race run annually in Wales, forming part of the United Kingdom’s major National Hunt racing calendar.
  • D. Midlands Grand National
    The Midlands Grand National is a long-distance steeplechase horse race in England, known for its demanding stamina test and place in the National Hunt racing calendar.
  • E. Scottish Grand National
    The Scottish Grand National is a prestigious annual National Hunt steeplechase held at Ayr Racecourse in Scotland, regarded as one of the most important long-distance handicap chases in British horse racing.
  • 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_69d85cd46b2c819090d054c27787f677 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69ded82f73208190bb55fa6b20074e27 completed April 15, 2026, 12:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe9de388508190bb0ecc04740cbe15 completed May 9, 2026, 2:37 a.m.
NEDg Description generation batch_69fe9f2b71808190b961193ae1ddebf0 completed May 9, 2026, 2:42 a.m.
NED2 Entity disambiguation (via description) batch_69fe9fa89bd481909235d2ec377a0d8e completed May 9, 2026, 2:44 a.m.
Created at: April 10, 2026, 3 a.m.