Triple
T7578436
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Guelph Central Station |
E179419
|
entity |
| Predicate | formerOwner |
P347
|
FINISHED |
| Object | Grand Trunk Railway |
E167457
|
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: Grand Trunk Railway | Statement: [Guelph Central Station, formerOwner, Grand Trunk Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grand Trunk Railway Context triple: [Guelph Central Station, formerOwner, Grand Trunk Railway]
-
A.
Grand Trunk Railway
chosen
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.
-
B.
Grand Trunk Pacific Railway
The Grand Trunk Pacific Railway was an early 20th-century Canadian transcontinental railway that played a key role in opening Western Canada to settlement and trade before its assets were absorbed into the national rail system.
-
C.
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.
-
D.
Canadian Pacific Railway
Canadian Pacific Railway is a historic Canadian transcontinental railway company that played a central role in the country’s development and later expanded into a major transportation and hospitality conglomerate.
-
E.
Canadian Northern Railway
The Canadian Northern Railway was an early 20th-century Canadian transcontinental railway whose network later became a core component of the Canadian National Railway system.
- 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_69c69f327db881909a21ae3b156f8ded |
completed | March 27, 2026, 3:16 p.m. |
| NER | Named-entity recognition | batch_69c6f97460a481909d61fba555567b66 |
completed | March 27, 2026, 9:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8616d87f881909fe23220dc77167c |
completed | March 28, 2026, 11:17 p.m. |
Created at: March 27, 2026, 3:51 p.m.