Triple
T20960692
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Algoma Central Railway |
E516234
|
entity |
| Predicate | formerOwner |
P347
|
FINISHED |
| Object | Algoma Central Corporation |
—
|
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: Algoma Central Corporation | Statement: [Algoma Central Railway, formerOwner, Algoma Central Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Algoma Central Corporation Context triple: [Algoma Central Railway, formerOwner, Algoma Central Corporation]
-
A.
Sun Company of Canada
Sun Company of Canada was a major Canadian integrated oil and gas company that later became known as Suncor Energy.
-
B.
Owen Sound Transportation Company
Owen Sound Transportation Company is a Canadian ferry operator that provides passenger and vehicle transportation services on routes in the Great Lakes region of Ontario.
-
C.
Power Corporation of Canada
Power Corporation of Canada is a major Canadian diversified international management and holding company with significant interests in financial services, asset management, and renewable energy.
-
D.
Algoma Central Railway
Algoma Central Railway is a Canadian regional railway in Northern Ontario known for its freight operations and scenic passenger services through the wilderness north of Sault Ste. Marie.
-
E.
Canadian Car and Foundry
Canadian Car and Foundry was a major Canadian manufacturer of railway rolling stock, aircraft, and other transportation equipment active primarily in the 20th century.
- 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: Algoma Central Corporation Target entity description: Algoma Central Corporation is a Canadian transportation and shipping company best known for its Great Lakes dry-bulk fleet and former ownership of the Algoma Central Railway.
-
A.
Sun Company of Canada
Sun Company of Canada was a major Canadian integrated oil and gas company that later became known as Suncor Energy.
-
B.
Owen Sound Transportation Company
Owen Sound Transportation Company is a Canadian ferry operator that provides passenger and vehicle transportation services on routes in the Great Lakes region of Ontario.
-
C.
Power Corporation of Canada
Power Corporation of Canada is a major Canadian diversified international management and holding company with significant interests in financial services, asset management, and renewable energy.
-
D.
Algoma Central Railway
chosen
Algoma Central Railway is a Canadian regional railway in Northern Ontario known for its freight operations and scenic passenger services through the wilderness north of Sault Ste. Marie.
-
E.
Canadian Car and Foundry
Canadian Car and Foundry was a major Canadian manufacturer of railway rolling stock, aircraft, and other transportation equipment active primarily in the 20th century.
- F. None of above.
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_69e0b4fde6c48190af1398e7e734629e |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6fb6f134081908b1ed48ce708f3d5 |
completed | April 21, 2026, 4:22 a.m. |
Created at: April 16, 2026, 1:31 p.m.