848 search results - page 105 / 170 » Optimization of Sequence Queries in Database Systems |
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
We consider the problem of horizontally partitioning a dynamic relation across a large number of disks/nodes by the use of range partitioning. Such partitioning is often desirable...
SAC
2004
ACM
14 years 2 months ago
2004
ACM
Until recently, issues in image retrieval have been handled in DBMSs and in computer vision as separate research works. Nowadays, the trend is towards integrating the two approach...
ICDE
2010
IEEE
14 years 3 months ago
2010
IEEE
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...
EDBT
2010
ACM
13 years 10 months ago
2010
ACM
One of the most challenging tasks for the database administrator is to physically design the database to attain optimal performance for a given workload. Physical design is hard b...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...