Triple
T5322438
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Algoma District |
E121704
|
entity |
| Predicate | hasRailService |
P782
|
FINISHED |
| Object |
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.
|
E516234
|
NE FINISHED |
How this triple was built (4 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 Railway | Statement: [Algoma District, hasRailService, Algoma Central Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Algoma Central Railway Context triple: [Algoma District, hasRailService, Algoma Central Railway]
-
A.
Ontario Northland Railway
Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
-
B.
Toronto Terminals Railway
Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
-
C.
St. Lawrence and Atlantic Railroad
The St. Lawrence and Atlantic Railroad is a regional rail line in the northeastern United States and Canada that provides freight transportation across parts of Maine, New Hampshire, Vermont, and Quebec.
-
D.
Intercolonial Railway of Canada
The Intercolonial Railway of Canada was a government-owned railway that linked the Maritime provinces with central Canada and played a key role in the country’s early national transportation network.
-
E.
New York and Ottawa Railway
The New York and Ottawa Railway was a historic cross-border rail line that connected New York State with Ottawa, Canada, facilitating regional passenger and freight transport in the late 19th and early 20th centuries.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Algoma Central Railway Triple: [Algoma District, hasRailService, Algoma Central Railway]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Algoma Central Railway Target entity description: 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.
-
A.
Ontario Northland Railway
Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
-
B.
Toronto Terminals Railway
Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
-
C.
St. Lawrence and Atlantic Railroad
The St. Lawrence and Atlantic Railroad is a regional rail line in the northeastern United States and Canada that provides freight transportation across parts of Maine, New Hampshire, Vermont, and Quebec.
-
D.
Intercolonial Railway of Canada
The Intercolonial Railway of Canada was a government-owned railway that linked the Maritime provinces with central Canada and played a key role in the country’s early national transportation network.
-
E.
New York and Ottawa Railway
The New York and Ottawa Railway was a historic cross-border rail line that connected New York State with Ottawa, Canada, facilitating regional passenger and freight transport in the late 19th and early 20th centuries.
- F. None of above. chosen
Provenance (5 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_69bd463d956c819088105c3db802c017 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd8577ba3881909a28cbf744648256 |
completed | March 20, 2026, 5:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf290bb4148190b6f98fcd36d03c02 |
completed | March 21, 2026, 11:26 p.m. |
| NEDg | Description generation | batch_69bf2a23ba1881909ddc549728bbc2d3 |
completed | March 21, 2026, 11:30 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf2e6d5f9081908327dff0058241f0 |
completed | March 21, 2026, 11:49 p.m. |
Created at: March 20, 2026, 1:59 p.m.