Weighted sampling - PowerPoint PPT Presentation

APPROXIMATE QUERY PROCESSING IN DATABASES

APPROXIMATE QUERY PROCESSING IN DATABASES. By: Jatinder Paul. Introduction. User. Decision Support Systems (DSS). SQL Query. Exact Answer. Long Response Times!. In recent years, advances in data collection and management technologies

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Data Stream load shedding by Sampling (CS2650)

Data Stream load shedding by Sampling (CS2650). Taecheol Oh. Introduction. Many data stream sources are prone to dramatic spikes in volume An overloaded system will be unable to process all of its input data

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314 views • 14 slides

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