Triple
T21895894
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Long Spruce Generating Station |
E540677
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object | Nelson River HVDC transmission system |
—
|
NE NERFINISHED |
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: Nelson River HVDC transmission system | Statement: [Long Spruce Generating Station, connectedTo, 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: [Long Spruce Generating Station, connectedTo, Nelson River HVDC transmission system]
-
A.
Nelson River HVDC transmission system
chosen
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.
-
B.
Nelson River Hydroelectric Project
The Nelson River Hydroelectric Project is a large-scale series of hydroelectric generating stations and related infrastructure on the Nelson River in Manitoba, Canada, developed primarily to supply renewable electricity to the province and for export.
-
C.
Manitoba Hydro northern generating system
The Manitoba Hydro northern generating system is a network of large hydroelectric power stations in northern Manitoba that forms a major component of the province’s electricity supply.
-
D.
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.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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.