Scalable Progressive Analytics on Big Data in the Cloud

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Provided by: VLD Digital
Topic: Cloud
Format: PDF
Analytics over the increasing quantity of data stored in the cloud has become very expensive, particularly due to the pay-as-the user-go cloud computation model. Data scientists typically manually extract samples of increasing data size (progressive samples) using domain-specific sampling strategies for exploratory querying. This provides them with user-control, repeatable semantics, and result provenance. However, such solutions result in tedious workflows that preclude the reuse of work across samples. On the other hand, existing approximate query processing systems report early results, but do not offer the above benefits for complex ad-hoc queries.
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