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Task-Aware Data Selectivity in Pervasive Edge Computing Environments
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DOI：10.1109/TKDE.2024.3485531.png)
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摘要
En 中文
Context-aware data selectivity in Edge Computing (EC) requires nodes to efficiently manage the data collected from Internet of Things (IoT) devices, e.g., sensors, for supporting real-time and data-driven pervasive analytics. Data selectivity at the network edge copes with the challenge of deciding which data should be kept at the edge for future analytics tasks under limited computational and storage resources. Our challenge is to efficiently learn the access patterns of data-driven tasks (analytics) and predict which data are relevant, thus, being stored in nodes' local datasets. Task patterns directly indicate which data need to be accessed and processed to support end-users' applications. We introduce a task workload-aware mechanism which adopts one-class classification to learn and predict the relevant data requested by past tasks. The inherent uncertainty in learning task patterns, identifying inliers and eliminating outliers is handled by introducing a lightweight fuzzy inference estimator that dynamically adapts nodes' local data filters ensuring accurate data relevance prediction. We analytically describe our mechanism and comprehensively evaluate and compare against baselines and approaches found in the literature showcasing its applicability in pervasive EC.
Keyword:
Filters
Peer-to-peer computing
Sensors
Distributed databases
Internet of Things
Data models
Uncertainty
Real-time systems
Predictive models
Edge computing
data filter
data selectivity
one-class support vector machines
fuzzy inference
期刊
IF:
10.4
论文数:
6.8K
被引数:
3.2W
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