Triple

T17090699
Position Surface form Disambiguated ID Type / Status
Subject Grand Opera House, Belfast E414716 entity
Predicate owner P347 FINISHED
Object Grand Opera House Trust
The Grand Opera House Trust is a charitable organization responsible for preserving, managing, and promoting the historic Grand Opera House in Belfast as a leading performing arts venue.
 E1250015 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: Grand Opera House Trust | Statement: [Grand Opera House, Belfast, owner, Grand Opera House Trust]

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: Grand Opera House Trust
Context triple: [Grand Opera House, Belfast, owner, Grand Opera House Trust]
  • A. Sadler’s Wells Trust
    Sadler’s Wells Trust is the charitable organization responsible for managing and supporting the operations and artistic mission of London’s Sadler’s Wells Theatre.
  • B. Newcastle Theatre Royal Trust
    Newcastle Theatre Royal Trust is the charitable organization responsible for managing and preserving the historic Theatre Royal in Newcastle upon Tyne.
  • C. Buxton Opera House and Pavilion Arts Centre Trust
    Buxton Opera House and Pavilion Arts Centre Trust is the charitable organization responsible for managing and preserving the historic Buxton Opera House and its associated arts facilities in Buxton, Derbyshire.
  • D. Sydney Opera House Trust
    The Sydney Opera House Trust is the statutory authority responsible for managing, maintaining, and promoting the Sydney Opera House and its venues.
  • E. Church House Corporation
    Church House Corporation is the body responsible for managing and overseeing Church House in Westminster, the administrative headquarters of the Church of England.
  • 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: Grand Opera House Trust
Target entity description: The Grand Opera House Trust is a charitable organization responsible for preserving, managing, and promoting the historic Grand Opera House in Belfast as a leading performing arts venue.
  • A. Sadler’s Wells Trust
    Sadler’s Wells Trust is the charitable organization responsible for managing and supporting the operations and artistic mission of London’s Sadler’s Wells Theatre.
  • B. Newcastle Theatre Royal Trust
    Newcastle Theatre Royal Trust is the charitable organization responsible for managing and preserving the historic Theatre Royal in Newcastle upon Tyne.
  • C. Buxton Opera House and Pavilion Arts Centre Trust
    Buxton Opera House and Pavilion Arts Centre Trust is the charitable organization responsible for managing and preserving the historic Buxton Opera House and its associated arts facilities in Buxton, Derbyshire.
  • D. Sydney Opera House Trust
    The Sydney Opera House Trust is the statutory authority responsible for managing, maintaining, and promoting the Sydney Opera House and its venues.
  • E. Church House Corporation
    Church House Corporation is the body responsible for managing and overseeing Church House in Westminster, the administrative headquarters of the Church of England.
  • 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: Grand Opera House Trust
Triple: [Grand Opera House, Belfast, owner, Grand Opera House Trust]
Generated description
The Grand Opera House Trust is a charitable organization responsible for preserving, managing, and promoting the historic Grand Opera House in Belfast as a leading performing arts venue.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d886cfc8e88190b05ba466edd35591 elicitation completed
NER batch_69e3dbf948d88190a4dd4a0774a8505b ner completed
NED1 batch_6a012ee9fd108190b12e8624bb66caf2 ned_source_triple completed
NED2 batch_6a0130c5f7388190b10a62ed1b61cce0 ned_description completed
NEDg batch_6a012fe2a1b081909483baef845cc2c1 nedg completed
Created at: April 10, 2026, 5:35 a.m.