Triple

T7181537
Position Surface form Disambiguated ID Type / Status
Subject Grand Trunk Railway E167457 entity
Predicate keyRoute P5619 FINISHED
Object Montreal–Toronto line E128739 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: Montreal–Toronto line | Statement: [Grand Trunk Railway, keyRoute, Montreal–Toronto line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Montreal–Toronto line
Context triple: [Grand Trunk Railway, keyRoute, Montreal–Toronto line]
  • A. 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.
  • B. Toronto–Sarnia line
    The Toronto–Sarnia line is a major railway corridor in Ontario, Canada, connecting Toronto with the border city of Sarnia and forming an important part of the region’s passenger and freight rail network.
  • C. Quebec City–Windsor Corridor chosen
    The Quebec City–Windsor Corridor is Canada’s most densely populated and heavily traveled urban and transportation corridor, stretching through major cities in Quebec and Ontario including Quebec City, Montreal, Ottawa, Toronto, and Windsor.
  • D. Waterloo to Exeter Line
    The Waterloo to Exeter Line is a major railway route in southern England connecting London with Exeter via towns in Surrey, Hampshire, and Dorset.
  • E. Exo Vaudreuil–Hudson line
    The Exo Vaudreuil–Hudson line is a commuter rail service in the Greater Montreal area that connects downtown Montreal with western suburbs including Vaudreuil-Dorion and Hudson.
  • 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_69c6888a7c548190a3d39b52a393080f completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e8bc25088190a7d7f3ba2461b5e9 completed March 27, 2026, 8:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7bf8d76ac8190a2e29f2650e7af28 completed March 28, 2026, 11:46 a.m.
Created at: March 27, 2026, 2:49 p.m.