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Load shedding - L1 Cache (Approaches & Dimensions (The limit resource…
Load shedding - L1 Cache
Approaches & Dimensions
- The limit resource (CPU, memory, communication bandwidth ..)
- The way to reduce load (drop data, create summeries ..)
- The approximation model/objective (maximum subset, minimum relative error, maximum througput ..)
- The query operator(s) under consideration (sliding window aggregates, windowed joins,..)
- The data arrival model (stochastic models, temporal models,...)
- The control loop (open vs. closed)
- The system architecture (centralized vs. distributed)
Key Applications
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sensor-based monitoring (habitat monitoring, bio-medical monitoring, weather monitoring, road traffic monitoring...)
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Key Problems
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- Which data items must be discarded?