Triple

T6815758
Position Surface form Disambiguated ID Type / Status
Subject Plainville, Massachusetts E156747 entity
Predicate hasRacetrack P13462 FINISHED
Object Plainridge Racecourse
Plainridge Racecourse is a harness racing track and slot parlor located in Plainville, Massachusetts.
E621506 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: Plainridge Racecourse | Statement: [Plainville, Massachusetts, hasRacetrack, Plainridge Racecourse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Plainridge Racecourse
Context triple: [Plainville, Massachusetts, hasRacetrack, Plainridge Racecourse]
  • A. Fair Grounds Race Course
    Fair Grounds Race Course is a historic New Orleans horse racing track that also serves as a major venue for large cultural events and festivals.
  • B. Ohi Racecourse
    Ohi Racecourse is a major horse racing venue in Tokyo known for its nighttime races and events.
  • C. Meydan Racecourse
    Meydan Racecourse is a premier horse racing venue in Dubai, United Arab Emirates, renowned for hosting some of the world's richest and most prestigious thoroughbred racing events.
  • D. Broadmeadow Racecourse
    Broadmeadow Racecourse is a major thoroughbred horse racing venue located in the suburb of Broadmeadow in Newcastle, New South Wales, Australia.
  • E. Fannie Bay Racecourse
    Fannie Bay Racecourse is a prominent thoroughbred horse racing venue in Darwin, Northern Territory, known for hosting major regional racing events such as the Darwin Cup.
  • 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: Plainridge Racecourse
Triple: [Plainville, Massachusetts, hasRacetrack, Plainridge Racecourse]
Generated description
Plainridge Racecourse is a harness racing track and slot parlor located in Plainville, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Plainridge Racecourse
Target entity description: Plainridge Racecourse is a harness racing track and slot parlor located in Plainville, Massachusetts.
  • A. Fair Grounds Race Course
    Fair Grounds Race Course is a historic New Orleans horse racing track that also serves as a major venue for large cultural events and festivals.
  • B. Ohi Racecourse
    Ohi Racecourse is a major horse racing venue in Tokyo known for its nighttime races and events.
  • C. Meydan Racecourse
    Meydan Racecourse is a premier horse racing venue in Dubai, United Arab Emirates, renowned for hosting some of the world's richest and most prestigious thoroughbred racing events.
  • D. Broadmeadow Racecourse
    Broadmeadow Racecourse is a major thoroughbred horse racing venue located in the suburb of Broadmeadow in Newcastle, New South Wales, Australia.
  • E. Fannie Bay Racecourse
    Fannie Bay Racecourse is a prominent thoroughbred horse racing venue in Darwin, Northern Territory, known for hosting major regional racing events such as the Darwin Cup.
  • 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_69c68828b26c819090fe9df7612bbc27 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d32dc19c8190a871cc1ff1471a58 completed March 27, 2026, 6:57 p.m.
NED1 Entity disambiguation (via context triple) batch_69c723dd82048190969754b388a76913 completed March 28, 2026, 12:42 a.m.
NEDg Description generation batch_69c724d740588190a4ed1aa532ee7335 completed March 28, 2026, 12:46 a.m.
NED2 Entity disambiguation (via description) batch_69c725aedfd0819097ae603cc49ff9a8 completed March 28, 2026, 12:49 a.m.
Created at: March 27, 2026, 2:17 p.m.