Triple
T1567354
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Churchill Falls |
E33461
|
entity |
| Predicate | hydroelectricStationOperator |
P15311
|
FINISHED |
| Object | Churchill Falls (Labrador) Corporation Limited |
E176874
|
NE FINISHED |
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: Churchill Falls (Labrador) Corporation Limited | Statement: [Churchill Falls, hydroelectricStationOperator, Churchill Falls (Labrador) Corporation Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Churchill Falls (Labrador) Corporation Limited Context triple: [Churchill Falls, hydroelectricStationOperator, Churchill Falls (Labrador) Corporation Limited]
-
A.
Churchill Falls (Labrador) Corporation Limited
chosen
Churchill Falls (Labrador) Corporation Limited is a Canadian hydroelectric power company that operates the massive Churchill Falls Generating Station in Labrador.
-
B.
Canada Lands Company
Canada Lands Company is a federal Crown corporation in Canada responsible for managing, redeveloping, and optimizing the value of strategic real estate and attractions owned by the Government of Canada.
-
C.
Valley Falls Company
Valley Falls Company was a 19th-century New England textile manufacturing firm that became one of the key predecessors to what is now Berkshire Hathaway.
-
D.
Hydro-Québec
Hydro-Québec is a Canadian public utility company owned by the government of Quebec that generates, transmits, and distributes electricity, primarily from hydroelectric power.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hydroelectricStationOperator Context triple: [Churchill Falls, hydroelectricStationOperator, Churchill Falls (Labrador) Corporation Limited]
-
A.
powerplantRole
Indicates that one entity serves in a specific functional or operational role relative to a power plant.
-
B.
hasHydroelectricProject
chosen
Indicates that an entity is associated with, operates, or contains a hydroelectric power generation project.
-
C.
operatingAuthority
Indicates that an entity has the official power, permission, or jurisdiction to operate, manage, or control another entity or activity.
-
D.
hydropowerPotential
Indicates the amount of energy that could be generated from water resources at a given site or region under specified conditions.
-
E.
powerplantFor
Indicates that one entity functions as the power plant or primary energy source serving another entity.
- F. None of above.
Provenance (4 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_69a885f11b048190935025a035302715 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a90fccd4b48190a44012888a00af7f |
completed | March 5, 2026, 5:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad4023da008190a947cf0d2983df2e |
completed | March 8, 2026, 9:23 a.m. |
| PD | Predicate disambiguation | batch_69a907b872f0819096b3df6ad502c63e |
completed | March 5, 2026, 4:34 a.m. |
Created at: March 4, 2026, 7:27 p.m.