Triple

T16906195
Position Surface form Disambiguated ID Type / Status
Subject Santa Anita Park E424568 entity
Predicate hasRace P37842 FINISHED
Object San Anita Oaks
San Anita Oaks is a prominent American Thoroughbred horse race for three-year-old fillies held annually at Santa Anita Park in California.
 E1244775 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: San Anita Oaks | Statement: [Santa Anita Park, hasRace, San Anita Oaks]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Anita Oaks
Context triple: [Santa Anita Park, hasRace, San Anita Oaks]
  • A. Demoiselle Stakes
    Demoiselle Stakes is a prominent American Grade II thoroughbred horse race for two-year-old fillies traditionally held in late fall in New York.
  • B. Santa Anita Derby
    The Santa Anita Derby is a prominent Grade I American Thoroughbred horse race for three-year-olds, traditionally serving as a key prep race for the Kentucky Derby.
  • C. Madison Stakes
    Madison Stakes is a prominent Grade I Thoroughbred horse race for fillies and mares held annually at Keeneland Race Course in Lexington, Kentucky.
  • D. Sword Dancer Stakes
    The Sword Dancer Stakes is a prestigious Grade I American thoroughbred horse race run on turf at Saratoga Race Course, typically attracting top long-distance turf specialists.
  • E. Man o’ War Stakes
    The Man o’ War Stakes is a prestigious American Grade I turf horse race for older thoroughbreds, named in honor of the legendary racehorse Man o’ War.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: San Anita Oaks
Target entity description: San Anita Oaks is a prominent American Thoroughbred horse race for three-year-old fillies held annually at Santa Anita Park in California.
  • A. Demoiselle Stakes
    Demoiselle Stakes is a prominent American Grade II thoroughbred horse race for two-year-old fillies traditionally held in late fall in New York.
  • B. Santa Anita Derby
    The Santa Anita Derby is a prominent Grade I American Thoroughbred horse race for three-year-olds, traditionally serving as a key prep race for the Kentucky Derby.
  • C. Madison Stakes
    Madison Stakes is a prominent Grade I Thoroughbred horse race for fillies and mares held annually at Keeneland Race Course in Lexington, Kentucky.
  • D. Sword Dancer Stakes
    The Sword Dancer Stakes is a prestigious Grade I American thoroughbred horse race run on turf at Saratoga Race Course, typically attracting top long-distance turf specialists.
  • E. Man o’ War Stakes
    The Man o’ War Stakes is a prestigious American Grade I turf horse race for older thoroughbreds, named in honor of the legendary racehorse Man o’ War.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: San Anita Oaks
Triple: [Santa Anita Park, hasRace, San Anita Oaks]
Generated description
San Anita Oaks is a prominent American Thoroughbred horse race for three-year-old fillies held annually at Santa Anita Park in California.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d889da3e8c8190a2b118f383f0beac elicitation completed
NER batch_69e3ca392ff48190ab28f0bd3e9fc376 ner completed
NED1 batch_6a00dc002fac81908b7628d2add1e2dd ned_source_triple completed
NED2 batch_6a0115c967b0819088e2335fd45d755b ned_description completed
NEDg batch_6a0114d33cac819083d8e542ea5bc274 nedg completed
Created at: April 10, 2026, 5:30 a.m.