Triple

T4386106
Position Surface form Disambiguated ID Type / Status
Subject Senate of Canada Building E99245 entity
Predicate formerName P65 FINISHED
Object Ottawa Train Station
The Ottawa Train Station, now known as the Senate of Canada Building, is a historic Beaux-Arts former railway station in downtown Ottawa that has been repurposed to house Canada’s upper parliamentary chamber.
E437264 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: Ottawa Train Station | Statement: [Senate of Canada Building, formerName, Ottawa Train Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ottawa Train Station
Context triple: [Senate of Canada Building, formerName, Ottawa Train Station]
  • A. Waterloo station
    Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
  • B. Waterloo East station
    Waterloo East station is a central London railway station on the South Bank, serving suburban and regional services and linked by footbridge to both Waterloo and Charing Cross stations.
  • C. Rideau station
    Rideau station is a major underground light rail transit station in downtown Ottawa, Canada, serving the O-Train Confederation Line and providing access to nearby commercial and tourist areas.
  • D. Osgoode station
    Osgoode station is a downtown Toronto subway station on Line 1 Yonge–University, serving the area around Toronto City Hall, the Four Seasons Centre, and the city’s legal and entertainment districts.
  • E. Vaughan Metropolitan Centre station
    Vaughan Metropolitan Centre station is a major subway terminal and transit hub in Vaughan, Ontario, serving as the northern endpoint of Toronto’s Line 1 Yonge–University.
  • 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: Ottawa Train Station
Triple: [Senate of Canada Building, formerName, Ottawa Train Station]
Generated description
The Ottawa Train Station, now known as the Senate of Canada Building, is a historic Beaux-Arts former railway station in downtown Ottawa that has been repurposed to house Canada’s upper parliamentary chamber.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ottawa Train Station
Target entity description: The Ottawa Train Station, now known as the Senate of Canada Building, is a historic Beaux-Arts former railway station in downtown Ottawa that has been repurposed to house Canada’s upper parliamentary chamber.
  • A. Waterloo station
    Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
  • B. Waterloo East station
    Waterloo East station is a central London railway station on the South Bank, serving suburban and regional services and linked by footbridge to both Waterloo and Charing Cross stations.
  • C. Rideau station
    Rideau station is a major underground light rail transit station in downtown Ottawa, Canada, serving the O-Train Confederation Line and providing access to nearby commercial and tourist areas.
  • D. Osgoode station
    Osgoode station is a downtown Toronto subway station on Line 1 Yonge–University, serving the area around Toronto City Hall, the Four Seasons Centre, and the city’s legal and entertainment districts.
  • E. Vaughan Metropolitan Centre station
    Vaughan Metropolitan Centre station is a major subway terminal and transit hub in Vaughan, Ontario, serving as the northern endpoint of Toronto’s Line 1 Yonge–University.
  • 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_69b3454f739481909ff6c28331f0c0b9 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b352669f608190b3aa7030d8073e04 completed March 12, 2026, 11:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5f5e74ba481908876629c811d934f completed March 14, 2026, 11:57 p.m.
NEDg Description generation batch_69b5f6f886c48190b070456947535f9b completed March 15, 2026, 12:02 a.m.
NED2 Entity disambiguation (via description) batch_69b5f7794d7081909eb494c2119eaee7 completed March 15, 2026, 12:04 a.m.
Created at: March 12, 2026, 11:19 p.m.