640 search results - page 40 / 128 » Query Optimization Using Multiple SIP Strategies |
CIVR
2004
Springer
14 years 4 months ago
2004
Springer
In this paper we present the results of a user study that was conducted in combination with a submission to TRECVID 2003. Search behavior of students querying an interactive video-...
ICDE
2007
IEEE
14 years 5 months ago
2007
IEEE
Retrieval queries that combine structural constraints with keyword search represent a significant challenge to XML data management systems. Queries are expected to be answered as...
CEC
2009
IEEE
14 years 5 months ago
2009
IEEE
Abstract—In the real world, many applications are nonstationary optimization problems. This requires that optimization algorithms need to not only find the global optimal soluti...
ICDE
2007
IEEE
15 years 9 days ago
2007
IEEE
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
ICDE
2011
IEEE
13 years 2 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...