Triple

T789181
Position Surface form Disambiguated ID Type / Status
Subject Line 4 Sheppard E16872 entity
Predicate hasTerminus P388 FINISHED
Object Don Mills station
Don Mills station is an eastern Toronto subway terminus on Line 4 Sheppard that serves as a key transit hub for buses and nearby commercial and residential areas.
E94328 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: Don Mills station | Statement: [Line 4 Sheppard, hasTerminus, Don Mills station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Don Mills station
Context triple: [Line 4 Sheppard, hasTerminus, Don Mills station]
  • A. 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.
  • B. North York Centre station
    North York Centre station is a busy underground subway stop in Toronto’s North York district, serving the commercial and civic hub around Mel Lastman Square.
  • C. 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.
  • D. Sheppard–Yonge station
    Sheppard–Yonge station is a major Toronto subway interchange where the Yonge–University line connects with the Sheppard line, serving as a key transit hub in North York.
  • E. Spadina station
    Spadina station is a major Toronto subway interchange that connects the Yonge–University and Bloor–Danforth lines, serving the Spadina and Annex neighborhoods.
  • 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: Don Mills station
Triple: [Line 4 Sheppard, hasTerminus, Don Mills station]
Generated description
Don Mills station is an eastern Toronto subway terminus on Line 4 Sheppard that serves as a key transit hub for buses and nearby commercial and residential areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Don Mills station
Target entity description: Don Mills station is an eastern Toronto subway terminus on Line 4 Sheppard that serves as a key transit hub for buses and nearby commercial and residential areas.
  • A. 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.
  • B. North York Centre station
    North York Centre station is a busy underground subway stop in Toronto’s North York district, serving the commercial and civic hub around Mel Lastman Square.
  • C. 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.
  • D. Sheppard–Yonge station
    Sheppard–Yonge station is a major Toronto subway interchange where the Yonge–University line connects with the Sheppard line, serving as a key transit hub in North York.
  • E. Spadina station
    Spadina station is a major Toronto subway interchange that connects the Yonge–University and Bloor–Danforth lines, serving the Spadina and Annex neighborhoods.
  • 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_69a4936cb7448190914f5fe4b8d81607 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a7841b0c8190859ecd247e32c6ec completed March 1, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69a67efd612481909580fbef3605dcbc completed March 3, 2026, 6:26 a.m.
NEDg Description generation batch_69a67f5a246481908bde953b245a6b5e completed March 3, 2026, 6:27 a.m.
NED2 Entity disambiguation (via description) batch_69a6808fe5748190b95959ee23ee6241 completed March 3, 2026, 6:32 a.m.
Created at: March 1, 2026, 7:38 p.m.