Triple

T1257442
Position Surface form Disambiguated ID Type / Status
Subject Union Station, Toronto E12424 entity
Predicate serves P98 FINISHED
Object UP Express service to Toronto Pearson International Airport E99224 NE FINISHED

How this triple was built (2 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: UP Express service to Toronto Pearson International Airport | Statement: [Union Station, Toronto, serves, UP Express service to Toronto Pearson International Airport]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: UP Express service to Toronto Pearson International Airport
Context triple: [Union Station, Toronto, serves, UP Express service to Toronto Pearson International Airport]
  • A. UP Express chosen
    UP Express is a dedicated airport rail link in Toronto that provides fast, frequent train service between Union Station downtown and Toronto Pearson International Airport.
  • B. UP Express at Union station
    UP Express at Union station is the downtown terminus of Toronto’s dedicated airport rail link, connecting Union Station with Toronto Pearson International Airport.
  • C. Toronto City Centre Airport
    Toronto City Centre Airport is a small regional airport located on the Toronto Islands near downtown Toronto, primarily serving short-haul domestic and U.S. flights.
  • D. UPS Worldwide Express
    UPS Worldwide Express is a premium international shipping service from UPS that provides fast, time-definite delivery of packages worldwide.
  • E. Toronto Pearson International Airport
    Toronto Pearson International Airport is Canada's largest and busiest airport, serving as the primary international gateway for the Greater Toronto Area.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69a4933352e08190ac617291985e76c0 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4bfa8cfa08190ac49c437a94a843c completed March 1, 2026, 10:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac93cdba808190b7d164bb98efe3dc completed March 7, 2026, 9:08 p.m.
Created at: March 1, 2026, 7:50 p.m.