Triple

T22680679
Position Surface form Disambiguated ID Type / Status
Subject Central Station (Montreal) E560471 entity
Predicate serves P98 FINISHED
Object VIA Rail Corridor services — NE NERFINISHED

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: VIA Rail Corridor services | Statement: [Central Station (Montreal), serves, VIA Rail Corridor services]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: VIA Rail Corridor services
Context triple: [Central Station (Montreal), serves, VIA Rail Corridor services]
  • A. Via Rail
    Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
  • B. Amtrak corridor services
    Amtrak corridor services are short- to medium-distance intercity passenger rail routes that connect major cities and regions across the United States with frequent, higher-speed train service.
  • C. NFS (Via Rail)
    NFS (Via Rail) is the station code used by VIA Rail Canada for its Niagara Falls, Ontario passenger rail station.
  • D. Via Rail Corridor chosen
    The Via Rail Corridor is a heavily traveled passenger rail network in Canada that links major cities in Quebec and Ontario, including Quebec City, Montreal, Ottawa, and Toronto.
  • E. Keystone Service (select trains)
    Keystone Service (select trains) is an Amtrak regional passenger rail service operating primarily between New York City and Harrisburg via Philadelphia, with only certain trains stopping at New Brunswick station.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e2454bfd00819099115715a22cb057 completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f1786027648190972d1b0bbe81ed13 completed April 29, 2026, 3:17 a.m.
Created at: April 17, 2026, 3:12 p.m.