Triple
T13613446
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Niagara River diversion reservoirs |
E325250
|
entity |
| Predicate | associatedWith |
P37
|
FINISHED |
| Object | Ontario Power Generation Niagara operations |
E325249
|
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 Niagara operations | Statement: [Niagara River diversion reservoirs, associatedWith, Ontario Power Generation Niagara operations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ontario Power Generation Niagara operations Context triple: [Niagara River diversion reservoirs, associatedWith, Ontario Power Generation Niagara operations]
-
A.
Niagara District
The Niagara District was a historical administrative region in Upper Canada that encompassed the town of Newark (now Niagara-on-the-Lake) and surrounding areas along the Niagara River.
-
B.
Churchill Falls Generating Station
Churchill Falls Generating Station is one of the world’s largest underground hydroelectric power plants, located on the Churchill River in Labrador, Canada.
-
C.
Mississauga Power
Mississauga Power was a professional basketball team based in Mississauga, Ontario, that competed in the National Basketball League of Canada.
-
D.
Muskrat Falls Generating Station
Muskrat Falls Generating Station is a large hydroelectric power facility on the lower Churchill River in Labrador, Canada, developed to supply renewable electricity to Newfoundland and Labrador and beyond.
-
E.
Niagara River hydropower system
chosen
The Niagara River hydropower system is a large binational network of dams, tunnels, and generating stations on the Niagara River that harnesses the river’s flow and Niagara Falls to produce significant hydroelectric power for Canada and the United States.
- 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_69d8076aae28819092cf636190ee5529 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbb0abe1208190a1e0a32dc141d836 |
completed | April 12, 2026, 2:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f77f9cbc388190972e949324144d2f |
completed | May 3, 2026, 5:02 p.m. |
Created at: April 9, 2026, 9:50 p.m.