Triple
T17860816
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oberaarsee |
E446065
|
entity |
| Predicate | isPartOfHydropowerSystem |
P36984
|
FINISHED |
| Object | Grimsel–Oberaar hydropower complex |
—
|
NE NERFINISHED |
How this triple was built (4 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: Grimsel–Oberaar hydropower complex | Statement: [Oberaarsee, isPartOfHydropowerSystem, Grimsel–Oberaar hydropower complex]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grimsel–Oberaar hydropower complex Context triple: [Oberaarsee, isPartOfHydropowerSystem, Grimsel–Oberaar hydropower complex]
-
A.
Grimsel Dam
Grimsel Dam is a large hydroelectric gravity dam in the Swiss Alps that creates the Grimselsee reservoir and plays a key role in Switzerland’s power generation.
-
B.
Säckingen hydropower plant
The Säckingen hydropower plant is a hydroelectric facility on the Upper Rhine in Germany that generates renewable electricity as part of the Schluchseewerk AG power plant network.
-
C.
Sihl hydroelectric scheme
The Sihl hydroelectric scheme is a Swiss power generation system that harnesses the waters of the Sihl river basin, including the Sihlsee reservoir, to produce hydroelectric energy.
-
D.
Kembs hydroelectric power station
Kembs hydroelectric power station is a run-of-the-river hydroelectric facility on the Rhine in France, known as one of the oldest major plants harnessing the Grand Canal d’Alsace for power generation.
-
E.
Okertalsperre power station
Okertalsperre power station is a hydroelectric facility in Germany that generates electricity using water from the Okertalsperre reservoir in the Harz Mountains.
- 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: Grimsel–Oberaar hydropower complex Target entity description: The Grimsel–Oberaar hydropower complex is a major Swiss alpine hydroelectric system comprising multiple high-altitude reservoirs, dams, and power stations used for electricity generation and water management.
-
A.
Grimsel Dam
chosen
Grimsel Dam is a large hydroelectric gravity dam in the Swiss Alps that creates the Grimselsee reservoir and plays a key role in Switzerland’s power generation.
-
B.
Säckingen hydropower plant
The Säckingen hydropower plant is a hydroelectric facility on the Upper Rhine in Germany that generates renewable electricity as part of the Schluchseewerk AG power plant network.
-
C.
Sihl hydroelectric scheme
The Sihl hydroelectric scheme is a Swiss power generation system that harnesses the waters of the Sihl river basin, including the Sihlsee reservoir, to produce hydroelectric energy.
-
D.
Kembs hydroelectric power station
Kembs hydroelectric power station is a run-of-the-river hydroelectric facility on the Rhine in France, known as one of the oldest major plants harnessing the Grand Canal d’Alsace for power generation.
-
E.
Okertalsperre power station
Okertalsperre power station is a hydroelectric facility in Germany that generates electricity using water from the Okertalsperre reservoir in the Harz Mountains.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isPartOfHydropowerSystem Context triple: [Oberaarsee, isPartOfHydropowerSystem, Grimsel–Oberaar hydropower complex]
-
A.
isInHydropowerCascade
Indicates that one hydropower facility is part of a sequential chain of hydropower plants along the same water system, where its operation is hydrologically or operationally linked to others in the cascade.
-
B.
isHydroelectricProjectOn
Indicates that a hydroelectric project is located on or situated along a specified water body or site.
-
C.
isPartOfWaterSystem
chosen
Indicates that one entity is a component, segment, or subsystem within a larger water distribution, treatment, or management system.
-
D.
hasHydroelectricProject
Indicates that an entity is associated with, operates, or contains a hydroelectric power generation project.
-
E.
hasPenstocks
Indicates that an entity is equipped with or contains one or more penstocks (conduits or pipes used to convey water, typically in hydraulic or hydroelectric systems).
- F. None of above.
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_69d8b9f26f18819089c9e43250bee6ae |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e4979013dc8190beb7718f0ba92bc3 |
completed | April 19, 2026, 8:51 a.m. |
| PD | Predicate disambiguation | batch_69e3d8e6d2e88190ad9ef9f8a99f13e6 |
completed | April 18, 2026, 7:17 p.m. |
Created at: April 10, 2026, 10:17 a.m.