907 search results - page 45 / 182 » Efficient Optimization of Iterative Queries |
EDBT
2009
ACM
13 years 6 months ago
2009
ACM
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
IDEAS
2009
IEEE
13 years 6 months ago
2009
IEEE
We consider the class of database programs and address the problem of minimizing the cost of their exchanges with the database server. This cost partly consists of query execution...
VLDB
2001
ACM
14 years 9 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
SIGMOD
2008
ACM
13 years 8 months ago
2008
ACM
Automated physical design tuning for database systems has recently become an active area of research and development. Existing tuning tools explore the space of feasible solutions...