Triple

T18038532
Position Surface form Disambiguated ID Type / Status
Subject Mr. Prospector E431576 entity
Predicate notableRaceWon P55495 FINISHED
Object Gravesend Handicap
The Gravesend Handicap is an American Thoroughbred horse race traditionally run at Aqueduct Racetrack in New York, known for attracting high-caliber sprinters.
 E1302521 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: Gravesend Handicap | Statement: [Mr. Prospector, notableRaceWon, Gravesend Handicap]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Gravesend Handicap
Context triple: [Mr. Prospector, notableRaceWon, Gravesend Handicap]
  • A. Cesarewitch Handicap
    The Cesarewitch Handicap is a historic long-distance flat horse race in Britain, traditionally run at Newmarket in the autumn as part of the season’s major staying handicaps.
  • B. Westbury Stakes
    The Westbury Stakes is a British flat horse race, historically run at Sandown Park, that has featured notable winners such as the champion racehorse Brigadier Gerard.
  • C. Greenham Stakes
    The Greenham Stakes is a prominent Group 3 flat horse race in Great Britain for three-year-olds, often used as a trial for the 2000 Guineas.
  • D. Rosebery Handicap
    The Rosebery Handicap is a prominent British flat horse race run over a middle distance at Kempton Park Racecourse, typically attracting competitive handicap fields each spring.
  • E. Coventry Stakes
    The Coventry Stakes is a prestigious Group 2 flat horse race in Britain for two-year-olds, run annually over six furlongs at Royal Ascot.
  • 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: Gravesend Handicap
Triple: [Mr. Prospector, notableRaceWon, Gravesend Handicap]
Generated description
The Gravesend Handicap is an American Thoroughbred horse race traditionally run at Aqueduct Racetrack in New York, known for attracting high-caliber sprinters.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Gravesend Handicap
Target entity description: The Gravesend Handicap is an American Thoroughbred horse race traditionally run at Aqueduct Racetrack in New York, known for attracting high-caliber sprinters.
  • A. Cesarewitch Handicap
    The Cesarewitch Handicap is a historic long-distance flat horse race in Britain, traditionally run at Newmarket in the autumn as part of the season’s major staying handicaps.
  • B. Westbury Stakes
    The Westbury Stakes is a British flat horse race, historically run at Sandown Park, that has featured notable winners such as the champion racehorse Brigadier Gerard.
  • C. Greenham Stakes
    The Greenham Stakes is a prominent Group 3 flat horse race in Great Britain for three-year-olds, often used as a trial for the 2000 Guineas.
  • D. Rosebery Handicap
    The Rosebery Handicap is a prominent British flat horse race run over a middle distance at Kempton Park Racecourse, typically attracting competitive handicap fields each spring.
  • E. Coventry Stakes
    The Coventry Stakes is a prestigious Group 2 flat horse race in Britain for two-year-olds, run annually over six furlongs at Royal Ascot.
  • 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_69d8b9050fb48190890155145deb0a66 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4be3cbe8c8190ba216eeebfc3cbec completed April 19, 2026, 11:36 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0349b60058819096666f889d05a9c5 completed May 12, 2026, 3:39 p.m.
NEDg Description generation batch_6a034b0817408190817e4a3ee0003d57 completed May 12, 2026, 3:45 p.m.
NED2 Entity disambiguation (via description) batch_6a034bdf5c808190ac329e663e220f1b completed May 12, 2026, 3:48 p.m.
Created at: April 10, 2026, 10:25 a.m.