Triple
T9242218
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pickering Nuclear Generating Station |
E222090
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Ontario Power Generation |
E255688
|
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: Ontario Power Generation | Statement: [Pickering Nuclear Generating Station, operator, Ontario Power Generation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ontario Power Generation Context triple: [Pickering Nuclear Generating Station, operator, Ontario Power Generation]
-
A.
Ontario Power Generation
chosen
Ontario Power Generation is a large, government-owned electricity producer in Ontario, Canada, primarily known for operating nuclear, hydroelectric, and other power generating stations across the province.
-
B.
Mississauga Power
Mississauga Power was a professional basketball team based in Mississauga, Ontario, that competed in the National Basketball League of Canada.
-
C.
Nalcor Energy
Nalcor Energy is a former provincial Crown corporation in Newfoundland and Labrador that oversaw major energy projects, including hydroelectric developments and electricity generation assets.
-
D.
Newfoundland and Labrador Hydro
Newfoundland and Labrador Hydro is a provincial Crown-owned electric utility in Newfoundland and Labrador responsible for generating and transmitting electricity across the province.
-
E.
Canadian Hydro Developers
Canadian Hydro Developers was a Canadian renewable energy company focused on developing and operating wind, hydro, and other clean power projects.
- 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_69ca83ee26cc81909ac624e190597d6d |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cd03ec23ec8190993003a826372d40 |
completed | April 1, 2026, 11:39 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d09bca80a481908038fee287989a54 |
completed | April 4, 2026, 5:04 a.m. |
Created at: March 30, 2026, 7:30 p.m.