Triple

T6725062
Position Surface form Disambiguated ID Type / Status
Subject GO Transit Richmond Hill line E153495 entity
Predicate usesStation P726 FINISHED
Object Langstaff GO Station
Langstaff GO Station is a commuter rail station in Richmond Hill, Ontario, serving passengers on GO Transit's Richmond Hill line into and out of downtown Toronto.
 E633996 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: Langstaff GO Station | Statement: [GO Transit Richmond Hill line, usesStation, Langstaff GO Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Langstaff GO Station
Context triple: [GO Transit Richmond Hill line, usesStation, Langstaff GO Station]
  • A. Pickering GO Station
    Pickering GO Station is a regional commuter rail and bus station in Pickering, Ontario, serving as a key transit hub on GO Transit's Lakeshore East line.
  • B. Mount Pleasant GO Station
    Mount Pleasant GO Station is a commuter rail and bus station in Brampton, Ontario, serving as part of the Greater Toronto Area’s GO Transit network.
  • C. Markham GO Station
    Markham GO Station is a commuter rail station in Markham, Ontario, serving GO Transit's Stouffville line and connecting the town to the Greater Toronto Area.
  • 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. 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: Langstaff GO Station
Triple: [GO Transit Richmond Hill line, usesStation, Langstaff GO Station]
Generated description
Langstaff GO Station is a commuter rail station in Richmond Hill, Ontario, serving passengers on GO Transit's Richmond Hill line into and out of downtown Toronto.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Langstaff GO Station
Target entity description: Langstaff GO Station is a commuter rail station in Richmond Hill, Ontario, serving passengers on GO Transit's Richmond Hill line into and out of downtown Toronto.
  • A. Pickering GO Station
    Pickering GO Station is a regional commuter rail and bus station in Pickering, Ontario, serving as a key transit hub on GO Transit's Lakeshore East line.
  • B. Mount Pleasant GO Station
    Mount Pleasant GO Station is a commuter rail and bus station in Brampton, Ontario, serving as part of the Greater Toronto Area’s GO Transit network.
  • C. Markham GO Station
    Markham GO Station is a commuter rail station in Markham, Ontario, serving GO Transit's Stouffville line and connecting the town to the Greater Toronto Area.
  • 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. 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_69c6880afb988190ad88011b48ecfcba completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d14fb1a8819083287ca8bb576bba completed March 27, 2026, 6:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7616ff6fc8190b4e9e7810be9064b completed March 28, 2026, 5:04 a.m.
NEDg Description generation batch_69c764224d1c81909a0a631e284eb9d6 completed March 28, 2026, 5:16 a.m.
NED2 Entity disambiguation (via description) batch_69c76485b7748190b873b3701178201d completed March 28, 2026, 5:17 a.m.
Created at: March 27, 2026, 2:08 p.m.