Triple

T5485288
Position Surface form Disambiguated ID Type / Status
Subject Del Mar E123564 entity
Predicate hasAttraction P105 FINISHED
Object Del Mar Thoroughbred Club
Del Mar Thoroughbred Club is a historic Southern California horse racing venue and social destination known for its summer race meets by the Pacific Ocean.
E123564 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: Del Mar Thoroughbred Club | Statement: [Del Mar, hasAttraction, Del Mar Thoroughbred Club]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Del Mar Thoroughbred Club
Context triple: [Del Mar, hasAttraction, Del Mar Thoroughbred Club]
  • A. Santa Anita Park
    Santa Anita Park is a historic thoroughbred racetrack in Arcadia, California, renowned for hosting major horse racing events such as the Santa Anita Derby and multiple Breeders’ Cup championships.
  • B. Del Mar
    Del Mar is a coastal city in San Diego County, California, known for its beaches, upscale residential areas, and the Del Mar Fairgrounds and racetrack.
  • C. Santa Anita
    Santa Anita is a Mexico City Metro station that serves as a transfer point between Line 4 and Line 8 in the southeastern part of the city.
  • D. Del Mar station
    Del Mar station is a light rail station in Pasadena, California, serving the Los Angeles Metro A Line and providing access to the Old Pasadena district.
  • E. The Meadows Racetrack and Casino
    The Meadows Racetrack and Casino is a popular Pennsylvania entertainment complex featuring live horse racing, a casino gaming floor, and various dining and event options.
  • 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: Del Mar Thoroughbred Club
Triple: [Del Mar, hasAttraction, Del Mar Thoroughbred Club]
Generated description
Del Mar Thoroughbred Club is a historic Southern California horse racing venue and social destination known for its summer race meets by the Pacific Ocean.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Del Mar Thoroughbred Club
Target entity description: Del Mar Thoroughbred Club is a historic Southern California horse racing venue and social destination known for its summer race meets by the Pacific Ocean.
  • A. Santa Anita Park
    Santa Anita Park is a historic thoroughbred racetrack in Arcadia, California, renowned for hosting major horse racing events such as the Santa Anita Derby and multiple Breeders’ Cup championships.
  • B. Del Mar chosen
    Del Mar is a coastal city in San Diego County, California, known for its beaches, upscale residential areas, and the Del Mar Fairgrounds and racetrack.
  • C. Santa Anita
    Santa Anita is a Mexico City Metro station that serves as a transfer point between Line 4 and Line 8 in the southeastern part of the city.
  • D. Del Mar station
    Del Mar station is a light rail station in Pasadena, California, serving the Los Angeles Metro A Line and providing access to the Old Pasadena district.
  • E. The Meadows Racetrack and Casino
    The Meadows Racetrack and Casino is a popular Pennsylvania entertainment complex featuring live horse racing, a casino gaming floor, and various dining and event options.
  • F. None of above.

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_69bd4648883481909e9775d43300c5fa completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd9260d90c819087f34ab24662575d completed March 20, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf70dcb0c881909d9aaf0050a5c27b completed March 22, 2026, 4:32 a.m.
NEDg Description generation batch_69bf726ca8b08190b4ae9d6d2787b303 completed March 22, 2026, 4:39 a.m.
NED2 Entity disambiguation (via description) batch_69bf72b99d988190801d6044fa07310c completed March 22, 2026, 4:40 a.m.
Created at: March 20, 2026, 2:10 p.m.