Triple
T22532829
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thamesford, Ontario |
E557083
|
entity |
| Predicate | hasTransportation |
P105
|
FINISHED |
| Object | Canadian National Railway line |
—
|
NE NERFINISHED |
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: Canadian National Railway line | Statement: [Thamesford, Ontario, hasTransportation, Canadian National Railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Canadian National Railway line Context triple: [Thamesford, Ontario, hasTransportation, Canadian National Railway line]
-
A.
Canadian National Railway main line
The Canadian National Railway main line is a major transcontinental rail corridor in Canada that carries significant freight and passenger traffic across key regions of the country.
-
B.
Canadian National Railway Deux-Montagnes line
The Canadian National Railway Deux-Montagnes line was a suburban commuter rail line serving the Montreal area, historically operated by Canadian National Railway before later regional transit authorities took over.
-
C.
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.
-
D.
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.
-
E.
Canadian National Railway
chosen
Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e11e57483c8190b0887c4f8ff26446 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15ed88cf08190ae7e5b6bf9a80372 |
completed | April 29, 2026, 1:28 a.m. |
Created at: April 16, 2026, 8:51 p.m.