Triple
T6628906
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station (Toronto) |
E149870
|
entity |
| Predicate | servesService |
P839
|
FINISHED |
| Object | VIA Rail Corridor |
E127380
|
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: VIA Rail Corridor | Statement: [Union Station (Toronto), servesService, VIA Rail Corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: VIA Rail Corridor Context triple: [Union Station (Toronto), servesService, VIA Rail Corridor]
-
A.
Via Rail
chosen
Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
-
B.
Grand Trunk Railway
The Grand Trunk Railway was a major 19th- and early 20th-century Canadian railway system that played a key role in linking central Canada with the Atlantic coast and the United States before being absorbed into the Canadian National Railway.
-
C.
Calgary–Edmonton Corridor
The Calgary–Edmonton Corridor is a major urban and economic region in Alberta, Canada, stretching between the cities of Calgary and Edmonton and encompassing several growing communities along its route.
-
D.
Canadian Pacific Railway mainline
The Canadian Pacific Railway mainline is a major transcontinental rail corridor that forms a key freight and passenger transportation route across Canada, including through Northern Ontario.
-
E.
Empire Corridor
The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
- 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_69c687ee50048190aa151765bef16193 |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6afa4a08481908cb5a554f388f32a |
completed | March 27, 2026, 4:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6e44f5f9c819088cfb4fd87887766 |
completed | March 27, 2026, 8:10 p.m. |
Created at: March 27, 2026, 1:59 p.m.