Triple
T21895838
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kettle Generating Station |
E540676
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Nelson River HVDC transmission system |
—
|
NE NERFINISHED |
How this triple was built (3 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: Nelson River HVDC transmission system | Statement: [Kettle Generating Station, connectsTo, Nelson River HVDC transmission system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nelson River HVDC transmission system Context triple: [Kettle Generating Station, connectsTo, Nelson River HVDC transmission system]
-
A.
Caribou Hydroelectric Project
The Caribou Hydroelectric Project is a hydroelectric power generation facility in California that harnesses the flow of the North Fork Feather River to produce electricity.
-
B.
Hydro-Québec James Bay Project
The Hydro-Québec James Bay Project is a massive hydroelectric development in northern Quebec comprising a complex of dams, reservoirs, and power stations that harness the region’s large rivers to generate electricity.
-
C.
North American power transmission grid
The North American power transmission grid is the vast, interconnected high-voltage network that delivers electricity across the United States, Canada, and parts of Mexico through several major synchronized interconnections.
-
D.
Ontario hydroelectric system
The Ontario hydroelectric system is a network of dams, generating stations, and related infrastructure that harnesses the province’s rivers and waterways to produce renewable electricity.
-
E.
Bridge River Power Project
The Bridge River Power Project is a major hydroelectric development in British Columbia, Canada, consisting of dams, reservoirs, and power stations that harness the Bridge River system to generate electricity.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nelson River HVDC transmission system Target entity description: The Nelson River HVDC transmission system is a high-voltage direct current power transmission network in Manitoba, Canada, that carries electricity from northern hydroelectric stations to southern load centers over long distances with reduced losses.
-
A.
Caribou Hydroelectric Project
The Caribou Hydroelectric Project is a hydroelectric power generation facility in California that harnesses the flow of the North Fork Feather River to produce electricity.
-
B.
Hydro-Québec James Bay Project
The Hydro-Québec James Bay Project is a massive hydroelectric development in northern Quebec comprising a complex of dams, reservoirs, and power stations that harness the region’s large rivers to generate electricity.
-
C.
North American power transmission grid
The North American power transmission grid is the vast, interconnected high-voltage network that delivers electricity across the United States, Canada, and parts of Mexico through several major synchronized interconnections.
-
D.
Ontario hydroelectric system
The Ontario hydroelectric system is a network of dams, generating stations, and related infrastructure that harnesses the province’s rivers and waterways to produce renewable electricity.
-
E.
Bridge River Power Project
The Bridge River Power Project is a major hydroelectric development in British Columbia, Canada, consisting of dams, reservoirs, and power stations that harness the Bridge River system to generate electricity.
- F. None of above. chosen
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_69e0c47a95908190ae3e19b716accb3d |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f11fc6062c81908bf0aad7c6b99932 |
completed | April 28, 2026, 8:59 p.m. |
Created at: April 16, 2026, 7:07 p.m.