Triple
T14256915
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amherst, Nova Scotia |
E353406
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | CN Rail mainline |
E248977
|
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: CN Rail mainline | Statement: [Amherst, Nova Scotia, railwayLine, CN Rail mainline]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CN Rail mainline Context triple: [Amherst, Nova Scotia, railwayLine, CN Rail mainline]
-
A.
Canadian National Railway main line
chosen
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 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.
-
C.
Via Rail
Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
-
D.
NI Railways
NI Railways is the primary passenger rail operator in Northern Ireland, running the region’s railway network and services.
-
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 (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_69d8278c43e08190824146f4632b89a5 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de62992a188190bc046fbab5a149d6 |
completed | April 14, 2026, 3:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd325f213881909acf776ff4831c30 |
completed | May 8, 2026, 12:46 a.m. |
Created at: April 10, 2026, 1:09 a.m.