Events - February 2014

Wednesday, February 26, 2014 2:30 PM EST
Speaker: Pedram Ghodsnia
Abstract: New trends in storage industry suggest that in the near future a majority of the hard disk drive-based storage subsystems will be replaced by solid state drives (SSDs). Database management systems can substantially benefit from the superior I/O performance of SSDs. Although the impact of using SSDs in query processing has been studied in the past, exploiting the I/O parallelism of SSDs in query processing and optimization has not received enough attention.
Wednesday, February 12, 2014 2:30 PM EST
Speaker: Andrew Kane
Abstract: I will present a practice talk for our LSDS-IR 2014 workshop paper on document size distribution in the context of search engines, then give a few related ideas that could be explored by interested grad students.
Wednesday, February 5, 2014 2:30 PM EST
Speaker: David DeHaan, SAP Waterloo
Abstract: In most DBMSs, histograms are an important data source used during cardinality estimation. Bad cardinality estimates originating from poor histograms can have drastic effects on the optimizer's ability to cost and therefore select a reasonable execution plan for a query.

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