Triple
T1400269
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Canadian National Railway |
E30762
|
entity |
| Predicate | hasSubsidiary |
P254
|
FINISHED |
| Object | CN Rail |
E30762
|
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 | Statement: [Canadian National Railway, hasSubsidiary, CN Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CN Rail Context triple: [Canadian National Railway, hasSubsidiary, CN Rail]
-
A.
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.
-
B.
Via Rail
Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
-
C.
Canadian Pacific Kansas City Limited
Canadian Pacific Kansas City Limited is a major North American freight railway company formed by the merger of Canadian Pacific Railway and Kansas City Southern, operating an extensive rail network connecting Canada, the United States, and Mexico.
-
D.
Toronto Railway Company
The Toronto Railway Company was a private streetcar operator that ran Toronto’s electric tram system in the late 19th and early 20th centuries before public transit was municipalized.
-
E.
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.
- 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_69a498fd4e408190bd73eca30ea9754c |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c39c4c148190997150996ca26a99 |
completed | March 1, 2026, 10:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ace57125a4819089216bbc75c36bb9 |
completed | March 8, 2026, 2:56 a.m. |
Created at: March 1, 2026, 7:59 p.m.