Triple

T16479899
Position Surface form Disambiguated ID Type / Status
Subject Schluchseewerk AG E400286 entity
Predicate operatesPowerPlant P17850 FINISHED
Object Schluchsee hydropower plant
The Schluchsee hydropower plant is a major pumped-storage hydroelectric facility in Germany’s Black Forest region, providing flexible electricity generation and grid balancing services.
 E1215154 NE FINISHED

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: Schluchsee hydropower plant | Statement: [Schluchseewerk AG, operatesPowerPlant, Schluchsee hydropower plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Schluchsee hydropower plant
Context triple: [Schluchseewerk AG, operatesPowerPlant, Schluchsee hydropower plant]
  • A. Persenbeug-Gottsdorf Danube power plant
    The Persenbeug-Gottsdorf Danube power plant is a major run-of-river hydroelectric facility on the Danube River in Austria, providing renewable electricity and serving as an important component of the country’s power grid.
  • B. Koepchenwerk pumped-storage plant
    The Koepchenwerk pumped-storage plant is a historic hydroelectric facility in North Rhine-Westphalia, Germany, known as one of the country’s earliest large-scale pumped-storage power stations for balancing electricity supply and demand.
  • C. 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.
  • 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. Walsum power station
    Walsum power station is a large coal-fired power plant in Duisburg, Germany, known for its prominent cooling tower and role in regional electricity and district heating supply.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Schluchsee hydropower plant
Triple: [Schluchseewerk AG, operatesPowerPlant, Schluchsee hydropower plant]
Generated description
The Schluchsee hydropower plant is a major pumped-storage hydroelectric facility in Germany’s Black Forest region, providing flexible electricity generation and grid balancing services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Schluchsee hydropower plant
Target entity description: The Schluchsee hydropower plant is a major pumped-storage hydroelectric facility in Germany’s Black Forest region, providing flexible electricity generation and grid balancing services.
  • A. Persenbeug-Gottsdorf Danube power plant
    The Persenbeug-Gottsdorf Danube power plant is a major run-of-river hydroelectric facility on the Danube River in Austria, providing renewable electricity and serving as an important component of the country’s power grid.
  • B. Koepchenwerk pumped-storage plant
    The Koepchenwerk pumped-storage plant is a historic hydroelectric facility in North Rhine-Westphalia, Germany, known as one of the country’s earliest large-scale pumped-storage power stations for balancing electricity supply and demand.
  • C. 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.
  • 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. Walsum power station
    Walsum power station is a large coal-fired power plant in Duisburg, Germany, known for its prominent cooling tower and role in regional electricity and district heating supply.
  • F. None of above. chosen

Provenance (5 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_69d883813098819084f5409539723b59 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e32e01f6c88190b75a0d6c94786426 completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a004f60ea8881908f073a28c407a1f4 completed May 10, 2026, 9:26 a.m.
NEDg Description generation batch_6a00513b6fcc8190a548b30cb7b4b67f completed May 10, 2026, 9:34 a.m.
NED2 Entity disambiguation (via description) batch_6a0051def1d48190b40f55c40ab269d2 completed May 10, 2026, 9:37 a.m.
Created at: April 10, 2026, 5:13 a.m.