Triple

T1038863
Position Surface form Disambiguated ID Type / Status
Subject Massey Hall E22424 entity
Predicate operator P179 FINISHED
Object Massey Hall and Roy Thomson Hall Corporation
Massey Hall and Roy Thomson Hall Corporation is a non-profit organization that manages and presents programming at two of Toronto’s premier concert venues, Massey Hall and Roy Thomson Hall.
E123019 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: Massey Hall and Roy Thomson Hall Corporation | Statement: [Massey Hall, operator, Massey Hall and Roy Thomson Hall Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Massey Hall and Roy Thomson Hall Corporation
Context triple: [Massey Hall, operator, Massey Hall and Roy Thomson Hall Corporation]
  • A. Massey Hall
    Massey Hall is a historic concert and event venue in downtown Toronto renowned for its intimate acoustics and role in Canada's cultural and musical heritage.
  • B. Four Seasons Centre for the Performing Arts
    The Four Seasons Centre for the Performing Arts is a major opera and ballet house in downtown Toronto, serving as the home of the Canadian Opera Company and the National Ballet of Canada.
  • C. Isabel Bader Centre for the Performing Arts
    The Isabel Bader Centre for the Performing Arts is a multidisciplinary arts venue and cultural hub associated with Queen’s University in Kingston, Ontario, featuring performance spaces, studios, and facilities for music, theatre, film, and visual arts.
  • D. Roy Thomson Hall
    Roy Thomson Hall is a prominent concert hall in downtown Toronto, best known as the home of the Toronto Symphony Orchestra and a major venue for the Toronto International Film Festival.
  • E. FirstOntario Centre
    FirstOntario Centre is a large multi-purpose indoor arena in downtown Hamilton, Ontario, primarily used for sports events and concerts.
  • 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: Massey Hall and Roy Thomson Hall Corporation
Triple: [Massey Hall, operator, Massey Hall and Roy Thomson Hall Corporation]
Generated description
Massey Hall and Roy Thomson Hall Corporation is a non-profit organization that manages and presents programming at two of Toronto’s premier concert venues, Massey Hall and Roy Thomson Hall.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Massey Hall and Roy Thomson Hall Corporation
Target entity description: Massey Hall and Roy Thomson Hall Corporation is a non-profit organization that manages and presents programming at two of Toronto’s premier concert venues, Massey Hall and Roy Thomson Hall.
  • A. Massey Hall
    Massey Hall is a historic concert and event venue in downtown Toronto renowned for its intimate acoustics and role in Canada's cultural and musical heritage.
  • B. Four Seasons Centre for the Performing Arts
    The Four Seasons Centre for the Performing Arts is a major opera and ballet house in downtown Toronto, serving as the home of the Canadian Opera Company and the National Ballet of Canada.
  • C. Isabel Bader Centre for the Performing Arts
    The Isabel Bader Centre for the Performing Arts is a multidisciplinary arts venue and cultural hub associated with Queen’s University in Kingston, Ontario, featuring performance spaces, studios, and facilities for music, theatre, film, and visual arts.
  • D. Roy Thomson Hall
    Roy Thomson Hall is a prominent concert hall in downtown Toronto, best known as the home of the Toronto Symphony Orchestra and a major venue for the Toronto International Film Festival.
  • E. FirstOntario Centre
    FirstOntario Centre is a large multi-purpose indoor arena in downtown Hamilton, Ontario, primarily used for sports events and concerts.
  • 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_69a493d91478819094cc01fb65564bc1 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b82c69c8819082a71e810be34729 completed March 1, 2026, 10:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac42990be88190aeda5ec08fce5288 completed March 7, 2026, 3:22 p.m.
NEDg Description generation batch_69ac430384ec8190a307c895bb12a122 completed March 7, 2026, 3:23 p.m.
NED2 Entity disambiguation (via description) batch_69ac437b62bc8190abfb721c570b4768 completed March 7, 2026, 3:25 p.m.
Created at: March 1, 2026, 7:41 p.m.