Triple

T6628911
Position Surface form Disambiguated ID Type / Status
Subject Union Station (Toronto) E149870 entity
Predicate hasFeature P182 FINISHED
Object grand central hall
The grand central hall is the vast, cathedral-like main concourse of Toronto’s Union Station, known for its soaring ceilings, Beaux-Arts architecture, and role as a major hub for commuters and travelers.
E606632 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: grand central hall | Statement: [Union Station (Toronto), hasFeature, grand central hall]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: grand central hall
Context triple: [Union Station (Toronto), hasFeature, grand central hall]
  • A. grand central hall
    The grand central hall is the impressive main interior space of Kelvingrove Art Gallery and Museum, known for its soaring architecture and role as a focal point for visitors and exhibitions.
  • B. grand central hall
    The grand central hall is the impressive main interior space of London's Reform Club, known for its ornate architecture and role as the building's social and visual centerpiece.
  • C. grand central hall
    Grand Central Hall is the main ceremonial and assembly chamber within the Parliament Buildings at Stormont in Belfast, Northern Ireland.
  • D. grand central hall
    Grand Central Hall is a prominent interior space within Festival Hall, serving as its main gathering and circulation area distinguished by its large scale and central location.
  • E. Central Hall
    Central Hall is the large, domed central chamber of the Indian Parliament complex where joint sittings of both houses and significant national events are held.
  • 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: grand central hall
Triple: [Union Station (Toronto), hasFeature, grand central hall]
Generated description
The grand central hall is the vast, cathedral-like main concourse of Toronto’s Union Station, known for its soaring ceilings, Beaux-Arts architecture, and role as a major hub for commuters and travelers.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: grand central hall
Target entity description: The grand central hall is the vast, cathedral-like main concourse of Toronto’s Union Station, known for its soaring ceilings, Beaux-Arts architecture, and role as a major hub for commuters and travelers.
  • A. grand central hall
    Grand Central Hall is the main ceremonial and assembly chamber within the Parliament Buildings at Stormont in Belfast, Northern Ireland.
  • B. grand central hall
    The grand central hall is the impressive main interior space of Kelvingrove Art Gallery and Museum, known for its soaring architecture and role as a focal point for visitors and exhibitions.
  • C. grand central hall
    The grand central hall is the impressive main interior space of London's Reform Club, known for its ornate architecture and role as the building's social and visual centerpiece.
  • D. grand central hall
    Grand Central Hall is a prominent interior space within Festival Hall, serving as its main gathering and circulation area distinguished by its large scale and central location.
  • E. Central Hall
    Central Hall is the large, domed central chamber of the Indian Parliament complex where joint sittings of both houses and significant national events are held.
  • 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_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.