Triple

T22680675
Position Surface form Disambiguated ID Type / Status
Subject Central Station (Montreal) E560471 entity
Predicate railwayLineUsed P848 FINISHED
Object Montreal–Halifax line 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: Montreal–Halifax line | Statement: [Central Station (Montreal), railwayLineUsed, Montreal–Halifax line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Montreal–Halifax line
Context triple: [Central Station (Montreal), railwayLineUsed, Montreal–Halifax line]
  • A. Montreal–Halifax line chosen
    The Montreal–Halifax line is a major intercity passenger rail route in Canada that connects Montreal, Quebec, with Halifax, Nova Scotia, across the provinces of Quebec, New Brunswick, and Nova Scotia.
  • B. Montreal–Gaspé line
    The Montreal–Gaspé line is a long-distance passenger rail route in Quebec that historically connected Montreal with the Gaspé Peninsula along the south shore of the St. Lawrence River.
  • 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. Montreal–Portland line
    The Montreal–Portland line was a major Grand Trunk Railway route that connected inland Canada with the ice-free Atlantic port of Portland, Maine, facilitating year-round transatlantic trade.
  • E. 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.
  • 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, 3:11 p.m.