Triple

T5704457
Position Surface form Disambiguated ID Type / Status
Subject National Ballet of Canada E125751 entity
Predicate former home venue P56486 FINISHED
Object O’Keefe Centre
The O’Keefe Centre, now known as Meridian Hall, is a major performing arts theatre in downtown Toronto that has long hosted prominent ballet, opera, and concert productions.
E539778 NE FINISHED

How this triple was built (5 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: O’Keefe Centre | Statement: [National Ballet of Canada, former home venue, O’Keefe Centre]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: O’Keefe Centre
Context triple: [National Ballet of Canada, former home venue, O’Keefe Centre]
  • A. Avenir Centre
    Avenir Centre is a modern multi-purpose indoor arena in downtown Moncton, New Brunswick, hosting major sports events, concerts, and other large-scale entertainment.
  • B. Beeghly Center
    Beeghly Center is a multi-purpose athletic and events arena located on the campus of Youngstown State University in Youngstown, Ohio.
  • C. Sommet Center
    Sommet Center was the former name of Nashville’s main downtown indoor arena, now known as Bridgestone Arena, which hosts major sports and entertainment events.
  • D. Sullivan Center
    The Sullivan Center is a historic Chicago building renowned for its Louis Sullivan–designed architecture and prominent role as a former department store, now housing retail and educational spaces.
  • E. McLeod Center
    McLeod Center is a multi-purpose arena on the University of Northern Iowa campus, best known as the home venue for the UNI Panthers basketball and volleyball teams.
  • 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: O’Keefe Centre
Triple: [National Ballet of Canada, former home venue, O’Keefe Centre]
Generated description
The O’Keefe Centre, now known as Meridian Hall, is a major performing arts theatre in downtown Toronto that has long hosted prominent ballet, opera, and concert productions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: O’Keefe Centre
Target entity description: The O’Keefe Centre, now known as Meridian Hall, is a major performing arts theatre in downtown Toronto that has long hosted prominent ballet, opera, and concert productions.
  • A. Avenir Centre
    Avenir Centre is a modern multi-purpose indoor arena in downtown Moncton, New Brunswick, hosting major sports events, concerts, and other large-scale entertainment.
  • B. Beeghly Center
    Beeghly Center is a multi-purpose athletic and events arena located on the campus of Youngstown State University in Youngstown, Ohio.
  • C. Sommet Center
    Sommet Center was the former name of Nashville’s main downtown indoor arena, now known as Bridgestone Arena, which hosts major sports and entertainment events.
  • D. Sullivan Center
    The Sullivan Center is a historic Chicago building renowned for its Louis Sullivan–designed architecture and prominent role as a former department store, now housing retail and educational spaces.
  • E. McLeod Center
    McLeod Center is a multi-purpose arena on the University of Northern Iowa campus, best known as the home venue for the UNI Panthers basketball and volleyball teams.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: former home venue
Context triple: [National Ballet of Canada, former home venue, O’Keefe Centre]
  • A. formerHomeStadium
    Indicates that a venue previously served as the home stadium for a team or organization but no longer holds that status.
  • B. formerHomeArena
    Indicates that a venue previously served as the primary home arena for a team or organization but no longer holds that status.
  • C. formerHomeVenue chosen
    Indicates that a location previously served as the primary venue or home ground for an entity, but no longer holds that status.
  • D. formerHomeBallparkLocation
    Indicates the location where an entity’s home ballpark used to be situated before it moved or was replaced.
  • E. hostStadiumPreviousName
    Indicates that a stadium previously had a different official name before its current one.
  • F. None of above.

Provenance (6 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_69c0082c96988190b3a6a201edce472a completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c024585d14819098ec34fd5a858836 completed March 22, 2026, 5:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69c05a638f2881908a7eb9274f000138 completed March 22, 2026, 9:08 p.m.
NEDg Description generation batch_69c05c75179c819085bf56340363b48c completed March 22, 2026, 9:17 p.m.
NED2 Entity disambiguation (via description) batch_69c05d2b67888190bc89e4cbd384c15f completed March 22, 2026, 9:20 p.m.
PD Predicate disambiguation batch_69c021c2d8bc8190b947c7d1f423d2f3 completed March 22, 2026, 5:07 p.m.
Created at: March 22, 2026, 3:45 p.m.