Triple

T14675984
Position Surface form Disambiguated ID Type / Status
Subject Niagara Falls station (Canada) E344647 entity
Predicate service P4690 FINISHED
Object GO Transit Lakeshore West line (seasonal extension) E146638 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: GO Transit Lakeshore West line (seasonal extension) | Statement: [Niagara Falls station (Canada), service, GO Transit Lakeshore West line (seasonal extension)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: GO Transit Lakeshore West line (seasonal extension)
Context triple: [Niagara Falls station (Canada), service, GO Transit Lakeshore West line (seasonal extension)]
  • A. GO Transit Lakeshore West line chosen
    The GO Transit Lakeshore West line is a commuter rail corridor in Southern Ontario that runs westward from Toronto’s Union Station through cities along the shore of Lake Ontario to Hamilton and Niagara Falls.
  • B. GO Transit Lakeshore East line
    The GO Transit Lakeshore East line is a commuter rail corridor in the Greater Toronto Area that runs eastward from Toronto’s Union Station through suburban communities toward Oshawa.
  • C. GO Transit Stouffville line
    The GO Transit Stouffville line is a commuter rail line in the Greater Toronto Area that runs between downtown Toronto and communities to the northeast, including Stouffville.
  • D. Lakeshore West line
    The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
  • E. GO Transit Barrie line
    The GO Transit Barrie line is a commuter rail service in the Greater Toronto Area that connects downtown Toronto with communities to the north, including the city of Barrie.
  • 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_69d822e283fc8190a0e4c235cf880052 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb5666e648190b5faa07076f497b8 completed April 14, 2026, 9:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69fde17c24e0819089dd9606298f5ac9 completed May 8, 2026, 1:13 p.m.
Created at: April 10, 2026, 1:27 a.m.