1465 search results - page 245 / 293 » Making database systems usable |
142
Voted
PODS
2005
ACM
16 years 2 months ago
2005
ACM
Suppose we have a large table T of items i, each with a weight wi, e.g., people and their salary. In a general preprocessing step for estimating arbitrary subset sums, we assign e...
118
Voted
EDBT
2006
ACM
16 years 2 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
127
Voted
SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
128
click to vote
DASFAA
2005
IEEE
15 years 8 months ago
2005
IEEE
A novel approach for similarity search on the protein structure databases is proposed. PADS (Protein Alignment by Directional shape Signatures) incorporates the three dimensional ...
119
click to vote
CIKM
2005
Springer
15 years 8 months ago
2005
Springer
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...