Triple
T22680677
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Station (Montreal) |
E560471
|
entity |
| Predicate | railwayLineUsed |
P848
|
FINISHED |
| Object | Montreal–Toronto 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–Toronto line | Statement: [Central Station (Montreal), railwayLineUsed, Montreal–Toronto line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Montreal–Toronto line Context triple: [Central Station (Montreal), railwayLineUsed, Montreal–Toronto line]
-
A.
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.
-
B.
Montreal–Halifax line
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.
-
C.
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.
-
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. 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–Toronto line Target entity description: 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.
-
A.
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.
-
B.
Montreal–Halifax line
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.
-
C.
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.
-
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. 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.