Aug 15, 2008 · We investigate reordering heuristics based on computed attribute-value histograms. Simply permuting the columns of the table based on these ...

We investigate reordering heuristics based on computed attribute-value histograms. Simply permuting the columns of the table based on these histograms can ...

Bitmap indexes must be compressed to reduce input/output costs and minimize CPU usage. To accelerate logical operations (AND, OR, XOR) over bitmaps, ...

Jan 19, 2009 · Reordering the rows of a compressed bitmap index can improve compression. Whether using RLE, BBC, WAH or EWAH, the problem is NP-hard by ...

Histogram-aware sorting for enhanced word-aligned compression in bitmap indexes. Owen Kaser, Daniel Lemire, Kamel Aouiche. Histogram-aware sorting for ...

Nov 11, 2008 · Histogram-Aware Sorting for Enhanced Word-Aligned Compression in Bitmap Indexes - Download as a PDF or view online for free.

Bibliographic details on Histogram-aware sorting for enhanced word-aligned compression in bitmap indexes.

Performance evaluation of word-aligned compression methods for bitmap indices ... Histogram-aware sorting for enhanced word-aligned compression in bitmap indexes.

We investigate row-reordering heuristics. Simply permuting the columns of the table can increase the sorting efficiency by 40%.

Optimizing bitmap indices with efficient compression · Histogram-aware sorting for enhanced word-aligned compression in bitmap indexes · Dynamic bitmap index ...