1567 search results - page 7 / 314 » Compressing Relations and Indexes |
WEBDB
2010
Springer
14 years 23 days ago
2010
Springer
The MapReduce distributed programming framework is very popular, but currently lacks the optimization techniques that have been standard with relational database systems for many ...
ICIAR
2004
Springer
14 years 1 months ago
2004
Springer
Frequently, it is observed that the sequence of indexes generated by a vector quantizer (VQ) contains a high degree of correlation, and, therefore, can be further compressed using ...
ICIP
2007
IEEE
14 years 2 months ago
2007
IEEE
Palette re-ordering is a well known and very effective approach for improving the compression of color indexed images. If the spatial distribution of the indexes in the image is s...
SSDBM
2002
IEEE
14 years 18 days ago
2002
IEEE
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...
TCSV
2002
13 years 7 months ago
2002
An efficient compression scheme for color-quantized images based on progressive coding of color information has been developed. Instead of sorting color indexes into a linear list ...