Triple

T13400401
Position Surface form Disambiguated ID Type / Status
Subject Olympia and York E319811 entity
Predicate notableWork P4 FINISHED
Object Exchange Tower (Toronto)
Exchange Tower is a prominent office skyscraper in Toronto’s financial district, known for housing major corporate and financial tenants.
 E1043416 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: Exchange Tower (Toronto) | Statement: [Olympia and York, notableWork, Exchange Tower (Toronto)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Exchange Tower (Toronto)
Context triple: [Olympia and York, notableWork, Exchange Tower (Toronto)]
  • A. First Canadian Place
    First Canadian Place is a prominent office and retail skyscraper in Toronto’s financial district and one of the tallest buildings in Canada.
  • B. Toronto-Dominion Centre
    The Toronto-Dominion Centre is a landmark modernist office complex in downtown Toronto, known for its black steel-and-glass towers designed by architect Ludwig Mies van der Rohe.
  • C. Ontario Tower
    Ontario Tower is a prominent commercial and residential skyscraper located in Dubai’s Business Bay district.
  • D. CN Tower
    The CN Tower is a prominent communications and observation tower in downtown Toronto, Canada, and one of the city's most recognizable skyline landmarks.
  • E. Bank of Nova Scotia Building, Toronto
    The Bank of Nova Scotia Building in Toronto is a historic early-20th-century office and banking tower known for its Beaux-Arts/Art Deco-influenced architecture and prominent presence in the city’s financial district.
  • 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: Exchange Tower (Toronto)
Triple: [Olympia and York, notableWork, Exchange Tower (Toronto)]
Generated description
Exchange Tower is a prominent office skyscraper in Toronto’s financial district, known for housing major corporate and financial tenants.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Exchange Tower (Toronto)
Target entity description: Exchange Tower is a prominent office skyscraper in Toronto’s financial district, known for housing major corporate and financial tenants.
  • A. First Canadian Place
    First Canadian Place is a prominent office and retail skyscraper in Toronto’s financial district and one of the tallest buildings in Canada.
  • B. Toronto-Dominion Centre
    The Toronto-Dominion Centre is a landmark modernist office complex in downtown Toronto, known for its black steel-and-glass towers designed by architect Ludwig Mies van der Rohe.
  • C. Ontario Tower
    Ontario Tower is a prominent commercial and residential skyscraper located in Dubai’s Business Bay district.
  • D. CN Tower
    The CN Tower is a prominent communications and observation tower in downtown Toronto, Canada, and one of the city's most recognizable skyline landmarks.
  • E. Bank of Nova Scotia Building, Toronto
    The Bank of Nova Scotia Building in Toronto is a historic early-20th-century office and banking tower known for its Beaux-Arts/Art Deco-influenced architecture and prominent presence in the city’s financial district.
  • 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_69d806b943cc8190b6af624d385d7e12 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69dbae47e99081909d8b5dba97a11988 completed April 12, 2026, 2:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7461b0dd481908719fc4657bb92bb completed May 3, 2026, 12:56 p.m.
NEDg Description generation batch_69f74d4e40f481908502a9051ced02d5 completed May 3, 2026, 1:27 p.m.
NED2 Entity disambiguation (via description) batch_69f74de805708190b0b383810ea34eed completed May 3, 2026, 1:30 p.m.
Created at: April 9, 2026, 9:34 p.m.