79 search results - page 15 / 16 » Optimizing Queries on Compressed Bitmaps |
SSDBM
2003
IEEE
13 years 11 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
FOCS
2009
IEEE
13 years 9 months ago
2009
IEEE
Given a set D = {d1, d2, ..., dD} of D strings of total length n, our task is to report the "most relevant" strings for a given query pattern P. This involves somewhat mo...
SIAMIS
2011
13 years 20 days ago
2011
Abstract. Many problems of low-level computer vision and image processing, such as denoising, deconvolution, tomographic reconstruction or superresolution, can be addressed by maxi...
DCC
2008
IEEE
14 years 6 days ago
2008
IEEE
Motivated by sensor networks, we consider the fusion storage of correlated sources in a database, such that any subset of them may be efficiently retrieved in the future. Only st...
SIGMOD
2002
ACM
14 years 5 months ago
2002
ACM
Dwarf is a highly compressed structure for computing, storing, and querying data cubes. Dwarf identifies prefix and suffix structural redundancies and factors them out by coalesci...