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.