Triple
T22280917
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Schreiber |
E550727
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Canadian Pacific Railway main 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 Pacific Railway main line | Statement: [Schreiber, locatedOn, Canadian Pacific Railway main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Canadian Pacific Railway main line Context triple: [Schreiber, locatedOn, Canadian Pacific Railway main line]
-
A.
Canadian Pacific Railway mainline
chosen
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.
-
B.
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.
-
C.
BC Rail mainline
The BC Rail mainline is the primary railway corridor of the former British Columbia Railway, linking key inland regions of British Columbia to coastal ports and major transportation hubs.
-
D.
Grand Trunk Western Railroad line
The Grand Trunk Western Railroad line was a major regional rail route in the Midwestern United States, historically operated by the Grand Trunk Western Railroad as part of its freight and passenger network.
-
E.
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.
- 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_69e11e44d538819097c6b8f333af3352 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f14eab4f848190b1a8ba70f9fb0581 |
completed | April 29, 2026, 12:19 a.m. |
Created at: April 16, 2026, 8:40 p.m.