Triple

T19728529
Position Surface form Disambiguated ID Type / Status
Subject Metro Toronto Convention Centre E473789 entity
Predicate owner P347 FINISHED
Object BPA Properties
BPA Properties is a real estate ownership and management company known for holding major commercial assets such as the Metro Toronto Convention Centre.
 E1392950 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: BPA Properties | Statement: [Metro Toronto Convention Centre, owner, BPA Properties]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BPA Properties
Context triple: [Metro Toronto Convention Centre, owner, BPA Properties]
  • A. BPA
    BPA is a U.S. federal agency that markets and transmits electric power, primarily from hydroelectric dams in the Pacific Northwest.
  • B. The BPA
    The BPA (The Brighton Port Authority) is a musical project led by Norman Cook, better known as Fatboy Slim, featuring a rotating cast of collaborators and a blend of electronic, funk, and dance influences.
  • C. BXP
    BXP is the stock ticker symbol for Boston Properties, a major publicly traded real estate investment trust specializing in premier office properties in the United States.
  • D. BPN
    BPN is the National Rail station code for Blackpool North railway station, a primary rail terminus serving the seaside town of Blackpool in Lancashire, England.
  • E. BPN
    BPN is the IATA airport code for Sultan Aji Muhammad Sulaiman Sepinggan International Airport serving Balikpapan in East Kalimantan, Indonesia.
  • 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: BPA Properties
Triple: [Metro Toronto Convention Centre, owner, BPA Properties]
Generated description
BPA Properties is a real estate ownership and management company known for holding major commercial assets such as the Metro Toronto Convention Centre.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: BPA Properties
Target entity description: BPA Properties is a real estate ownership and management company known for holding major commercial assets such as the Metro Toronto Convention Centre.
  • A. BPA
    BPA is a U.S. federal agency that markets and transmits electric power, primarily from hydroelectric dams in the Pacific Northwest.
  • B. The BPA
    The BPA (The Brighton Port Authority) is a musical project led by Norman Cook, better known as Fatboy Slim, featuring a rotating cast of collaborators and a blend of electronic, funk, and dance influences.
  • C. BXP
    BXP is the stock ticker symbol for Boston Properties, a major publicly traded real estate investment trust specializing in premier office properties in the United States.
  • D. BPN
    BPN is the National Rail station code for Blackpool North railway station, a primary rail terminus serving the seaside town of Blackpool in Lancashire, England.
  • E. BPN
    BPN is the IATA airport code for Sultan Aji Muhammad Sulaiman Sepinggan International Airport serving Balikpapan in East Kalimantan, Indonesia.
  • 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_69d8e517ebd48190979ee76723bcfadf completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e649fa1bc481908a9e7cf4fc52f75c completed April 20, 2026, 3:44 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07b4f0728881909ccadf9e738e371c completed May 16, 2026, 12:06 a.m.
NEDg Description generation batch_6a07b5e9961881908f224154ec12c366 completed May 16, 2026, 12:10 a.m.
NED2 Entity disambiguation (via description) batch_6a07b67964b481909af269c6b5db6527 completed May 16, 2026, 12:12 a.m.
Created at: April 10, 2026, 1:47 p.m.