Triple

T2534112
Position Surface form Disambiguated ID Type / Status
Subject Tafawa Balewa Square E56228 entity
Predicate formerUseOfSite P2417 FINISHED
Object Lagos Race Course
Lagos Race Course was a historic colonial-era horse racing and ceremonial ground in central Lagos, Nigeria, that later gave way to modern civic developments.
E274572 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: Lagos Race Course | Statement: [Tafawa Balewa Square, formerUseOfSite, Lagos Race Course]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lagos Race Course
Context triple: [Tafawa Balewa Square, formerUseOfSite, Lagos Race Course]
  • A. 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.
  • B. Hipódromo
    Hipódromo is a neighborhood in the city of Recife, Brazil, known for its urban residential character and proximity to central areas of the city.
  • C. 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.
  • D. Hialeah Park Race Track
    Hialeah Park Race Track is a historic thoroughbred horse racing venue and casino complex in Hialeah, Florida, renowned for its Mediterranean-style architecture and iconic flamingo-filled infield.
  • E. Ellis Park Stadium
    Ellis Park Stadium is a historic rugby and football stadium in Johannesburg, South Africa, best known internationally for hosting the iconic 1995 Rugby World Cup final.
  • 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: Lagos Race Course
Triple: [Tafawa Balewa Square, formerUseOfSite, Lagos Race Course]
Generated description
Lagos Race Course was a historic colonial-era horse racing and ceremonial ground in central Lagos, Nigeria, that later gave way to modern civic developments.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lagos Race Course
Target entity description: Lagos Race Course was a historic colonial-era horse racing and ceremonial ground in central Lagos, Nigeria, that later gave way to modern civic developments.
  • A. 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.
  • B. Hipódromo
    Hipódromo is a neighborhood in the city of Recife, Brazil, known for its urban residential character and proximity to central areas of the city.
  • C. 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.
  • D. Hialeah Park Race Track
    Hialeah Park Race Track is a historic thoroughbred horse racing venue and casino complex in Hialeah, Florida, renowned for its Mediterranean-style architecture and iconic flamingo-filled infield.
  • E. Ellis Park Stadium
    Ellis Park Stadium is a historic rugby and football stadium in Johannesburg, South Africa, best known internationally for hosting the iconic 1995 Rugby World Cup final.
  • 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_69ab4a49b6508190bc467fbef4bac334 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd27afe7c8190984e10d3f3d5586b completed March 7, 2026, 7:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69af2bbc416c81908774782420b54664 completed March 9, 2026, 8:21 p.m.
NEDg Description generation batch_69af4c5e49dc8190920612a8b0f5b3f7 completed March 9, 2026, 10:40 p.m.
NED2 Entity disambiguation (via description) batch_69af4cd3bcc8819091589f0aa27ddc5d completed March 9, 2026, 10:42 p.m.
Created at: March 6, 2026, 9:47 p.m.