Triple

T12212572
Position Surface form Disambiguated ID Type / Status
Subject Yonge–St. Clair E291000 entity
Predicate servedBy P82 FINISHED
Object St. Clair subway station
St. Clair subway station is a Toronto Transit Commission rapid transit station on Line 1 Yonge–University, serving the midtown Yonge and St. Clair neighbourhood.
 E969474 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: St. Clair subway station | Statement: [Yonge–St. Clair, servedBy, St. Clair subway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: St. Clair subway station
Context triple: [Yonge–St. Clair, servedBy, St. Clair subway station]
  • A. LaSalle station
    LaSalle station is a Montreal Metro station on the Green Line located in the borough of Verdun, Quebec, Canada.
  • B. St. Marys Street station
    St. Marys Street station is a light rail stop on Boston’s MBTA Green Line that serves the C Branch along Beacon Street near the Boston University area.
  • C. Ossington station
    Ossington station is a subway stop on Toronto's TTC network located in the city's west end along Bloor Street.
  • D. Buchanan Street subway station
    Buchanan Street subway station is a central Glasgow Subway station serving the busy Buchanan Street shopping district in Glasgow, Scotland.
  • E. Dundas station
    Dundas station is a downtown Toronto subway station on the Toronto Transit Commission network, serving the busy Yonge–Dundas Square and Eaton Centre area.
  • 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: St. Clair subway station
Triple: [Yonge–St. Clair, servedBy, St. Clair subway station]
Generated description
St. Clair subway station is a Toronto Transit Commission rapid transit station on Line 1 Yonge–University, serving the midtown Yonge and St. Clair neighbourhood.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: St. Clair subway station
Target entity description: St. Clair subway station is a Toronto Transit Commission rapid transit station on Line 1 Yonge–University, serving the midtown Yonge and St. Clair neighbourhood.
  • A. LaSalle station
    LaSalle station is a Montreal Metro station on the Green Line located in the borough of Verdun, Quebec, Canada.
  • B. St. Marys Street station
    St. Marys Street station is a light rail stop on Boston’s MBTA Green Line that serves the C Branch along Beacon Street near the Boston University area.
  • C. Ossington station
    Ossington station is a subway stop on Toronto's TTC network located in the city's west end along Bloor Street.
  • D. Buchanan Street subway station
    Buchanan Street subway station is a central Glasgow Subway station serving the busy Buchanan Street shopping district in Glasgow, Scotland.
  • E. Dundas station
    Dundas station is a downtown Toronto subway station on the Toronto Transit Commission network, serving the busy Yonge–Dundas Square and Eaton Centre area.
  • 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_69d6ab65923081909acfc61b7a612233 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d91c915f548190b34a743f0a3bb51a completed April 10, 2026, 3:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f60a9f45108190a814cdca52e77b5e completed May 2, 2026, 2:30 p.m.
NEDg Description generation batch_69f60bdca250819090b4b4cc84d343f4 completed May 2, 2026, 2:36 p.m.
NED2 Entity disambiguation (via description) batch_69f60cd51d34819099927fee476958ea completed May 2, 2026, 2:40 p.m.
Created at: April 8, 2026, 9:51 p.m.