Triple

T6628912
Position Surface form Disambiguated ID Type / Status
Subject Union Station (Toronto) E149870 entity
Predicate hasFeature P182 FINISHED
Object Great Hall
The Great Hall is the grand central concourse of Toronto’s Union Station, known for its soaring ceilings, Beaux-Arts architecture, and role as a major hub for rail passengers.
E143068 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: Great Hall | Statement: [Union Station (Toronto), hasFeature, Great Hall]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Hall
Context triple: [Union Station (Toronto), hasFeature, Great Hall]
  • A. Great Hall
    The Great Hall on Ellis Island is the historic main immigration processing room where millions of newcomers to the United States were inspected and registered in the late 19th and early 20th centuries.
  • B. Great Hall
    The Great Hall is a grand ceremonial and reception space within Australia’s Parliament House in Canberra, used for official functions, state events, and large gatherings.
  • C. Great Hall
    The Great Hall is a grand medieval ceremonial hall within Edinburgh Castle, historically used for royal banquets, state events, and gatherings of the Scottish court.
  • D. Great Hall
    The Great Hall is a grand ceremonial chamber within the Queen’s House at Greenwich, renowned for its classical architecture and richly decorated interior.
  • E. Great Hall
    The Great Hall is the principal ceremonial and assembly space within the Wills Memorial Building at the University of Bristol, used for major events such as graduations and formal gatherings.
  • 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: Great Hall
Triple: [Union Station (Toronto), hasFeature, Great Hall]
Generated description
The Great Hall is the grand central concourse of Toronto’s Union Station, known for its soaring ceilings, Beaux-Arts architecture, and role as a major hub for rail passengers.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Great Hall
Target entity description: The Great Hall is the grand central concourse of Toronto’s Union Station, known for its soaring ceilings, Beaux-Arts architecture, and role as a major hub for rail passengers.
  • A. Great Hall chosen
    The Great Hall is the grand central concourse of Toronto’s Union Station, known for its soaring ceilings, Beaux-Arts architecture, and role as a major transit hub space.
  • B. Great Hall
    The Great Hall is the grand, Beaux-Arts style main waiting room of Chicago's Union Station, renowned for its soaring barrel-vaulted ceiling and iconic architecture.
  • C. Great Hall
    The Great Hall is the grand central reception and circulation space inside the Supreme Court of Canada Building, known for its formal architectural design and ceremonial function.
  • D. Great Hall
    The Great Hall is a large, historic, multi-purpose event space within Hart House at the University of Toronto, often used for banquets, ceremonies, and cultural gatherings.
  • E. Great Hall
    The Great Hall is the central, cathedral-like gallery of the Hockey Hall of Fame, renowned for housing the Stanley Cup and the plaques of inducted members.
  • F. None of above.

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_69c687ee50048190aa151765bef16193 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6afa4a08481908cb5a554f388f32a completed March 27, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6e44f5f9c819088cfb4fd87887766 completed March 27, 2026, 8:10 p.m.
NEDg Description generation batch_69c6e55028ac8190b2bde6637981195c completed March 27, 2026, 8:15 p.m.
NED2 Entity disambiguation (via description) batch_69c6e5eacefc819092d0e9f79d90c4a6 completed March 27, 2026, 8:17 p.m.
Created at: March 27, 2026, 1:59 p.m.