Triple

T8302833
Position Surface form Disambiguated ID Type / Status
Subject SkyTrain Expo Line E194386 entity
Predicate connectsTo P845 FINISHED
Object Millennium Line at Commercial–Broadway station
The Millennium Line at Commercial–Broadway station is a major SkyTrain rapid transit line in Metro Vancouver that intersects with the Expo Line at one of the system’s busiest transfer hubs.
E723794 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: Millennium Line at Commercial–Broadway station | Statement: [SkyTrain Expo Line, connectsTo, Millennium Line at Commercial–Broadway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Millennium Line at Commercial–Broadway station
Context triple: [SkyTrain Expo Line, connectsTo, Millennium Line at Commercial–Broadway station]
  • A. METRO Blue Line light rail station
    The METRO Blue Line light rail station at Terminal 1–Lindbergh is a transit stop on Minneapolis–Saint Paul’s METRO Blue Line that provides direct rail access between the airport terminal and the broader Twin Cities metropolitan area.
  • B. Ontario Line station
    The Ontario Line station in Thorncliffe Park is a planned rapid transit stop on Toronto’s future Ontario Line, intended to improve subway access and connectivity for the surrounding neighborhood.
  • C. Sheppard subway
    Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
  • D. Erin Mills Transitway Station
    Erin Mills Transitway Station is a major bus rapid transit hub in Mississauga, Ontario, serving MiWay routes along the Mississauga Transitway corridor.
  • E. Millennium Station
    Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
  • 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: Millennium Line at Commercial–Broadway station
Triple: [SkyTrain Expo Line, connectsTo, Millennium Line at Commercial–Broadway station]
Generated description
The Millennium Line at Commercial–Broadway station is a major SkyTrain rapid transit line in Metro Vancouver that intersects with the Expo Line at one of the system’s busiest transfer hubs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Millennium Line at Commercial–Broadway station
Target entity description: The Millennium Line at Commercial–Broadway station is a major SkyTrain rapid transit line in Metro Vancouver that intersects with the Expo Line at one of the system’s busiest transfer hubs.
  • A. METRO Blue Line light rail station
    The METRO Blue Line light rail station at Terminal 1–Lindbergh is a transit stop on Minneapolis–Saint Paul’s METRO Blue Line that provides direct rail access between the airport terminal and the broader Twin Cities metropolitan area.
  • B. Ontario Line station
    The Ontario Line station in Thorncliffe Park is a planned rapid transit stop on Toronto’s future Ontario Line, intended to improve subway access and connectivity for the surrounding neighborhood.
  • C. Sheppard subway
    Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
  • D. Erin Mills Transitway Station
    Erin Mills Transitway Station is a major bus rapid transit hub in Mississauga, Ontario, serving MiWay routes along the Mississauga Transitway corridor.
  • E. Millennium Station
    Millennium Station is a major downtown Chicago commuter rail terminal serving Metra Electric District and South Shore Line trains beneath Millennium Park.
  • 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_69ca82e613e88190bf8139669bbd0d53 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7e8a45348190a7895b33abcb64c9 completed March 31, 2026, 7:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd68c2a14c81908388ecdd22315390 completed April 1, 2026, 6:49 p.m.
NEDg Description generation batch_69cd6d58032c8190ba99f78670924ae5 completed April 1, 2026, 7:09 p.m.
NED2 Entity disambiguation (via description) batch_69cd7e5be1108190afbc65b69a7700f2 completed April 1, 2026, 8:21 p.m.
Created at: March 30, 2026, 5:53 p.m.