282 search results - page 29 / 57 » Robust Query Processing through Progressive Optimization |
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Aggregation is among the core functionalities of OLAP systems. Frequently, such queries are issued in decision support systems to identify interesting groups of data. When more tha...
EDBT
2010
ACM
14 years 1 months ago
2010
ACM
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
JUCS
2010
13 years 4 months ago
2010
: We address the question of how to communicate among distributed processes values such as real numbers, continuous functions and geometrical solids with arbitrary precision, yet e...
CIKM
2010
Springer
13 years 8 months ago
2010
Springer
We consider the problem of learning to rank relevant and novel documents so as to directly maximize a performance metric called Expected Global Utility (EGU), which has several de...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
To use their pool of resources efficiently, distributed stream-processing systems push query operators to nodes within the network. Currently, these operators, ranging from simple...