Triple

T22680678
Position Surface form Disambiguated ID Type / Status
Subject Central Station (Montreal) E560471 entity
Predicate railwayLineUsed P848 FINISHED
Object Montreal–Ottawa line NE NERFINISHED

How this triple was built (3 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: Montreal–Ottawa line | Statement: [Central Station (Montreal), railwayLineUsed, Montreal–Ottawa line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Montreal–Ottawa line
Context triple: [Central Station (Montreal), railwayLineUsed, Montreal–Ottawa line]
  • A. Montreal–Toronto line
    The Montreal–Toronto line is a major intercity rail corridor in Canada that connects the country’s two largest cities and forms a key segment of the Quebec–Windsor rail corridor.
  • B. Montreal–Jonquière line
    The Montreal–Jonquière line is a regional passenger rail service in Quebec, Canada, operated by VIA Rail between Montreal and the Saguenay region.
  • C. Montreal–Quebec City line
    The Montreal–Quebec City line is a major intercity passenger rail corridor in Quebec, Canada, connecting the province’s two largest cities along the St. Lawrence River.
  • D. Quebec City–Montreal line
    The Quebec City–Montreal line is a major railway corridor in Quebec that connects the province’s capital with its largest city and has long served as a central artery for passenger and freight transport.
  • E. Montreal–Senneterre line
    The Montreal–Senneterre line is a long-distance passenger rail route in Quebec operated by VIA Rail, connecting Montreal with the remote Abitibi region and serving numerous small northern communities.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Montreal–Ottawa line
Target entity description: The Montreal–Ottawa line is a key intercity railway corridor in Canada that connects the major urban centers of Montreal, Quebec and Ottawa, Ontario.
  • A. Montreal–Toronto line
    The Montreal–Toronto line is a major intercity rail corridor in Canada that connects the country’s two largest cities and forms a key segment of the Quebec–Windsor rail corridor.
  • B. Montreal–Jonquière line
    The Montreal–Jonquière line is a regional passenger rail service in Quebec, Canada, operated by VIA Rail between Montreal and the Saguenay region.
  • C. Montreal–Quebec City line
    The Montreal–Quebec City line is a major intercity passenger rail corridor in Quebec, Canada, connecting the province’s two largest cities along the St. Lawrence River.
  • D. Quebec City–Montreal line
    The Quebec City–Montreal line is a major railway corridor in Quebec that connects the province’s capital with its largest city and has long served as a central artery for passenger and freight transport.
  • E. Montreal–Senneterre line
    The Montreal–Senneterre line is a long-distance passenger rail route in Quebec operated by VIA Rail, connecting Montreal with the remote Abitibi region and serving numerous small northern communities.
  • F. None of above. chosen

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.