995 search results - page 181 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
206
click to vote
SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
103
Voted
PODS
1999
ACM
15 years 6 months ago
1999
ACM
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
131
click to vote
PVLDB
2008
15 years 1 months ago
2008
This paper introduces Clustera, an integrated computation and data management system. In contrast to traditional clustermanagement systems that target specific types of workloads,...
124
click to vote
DCC
2008
IEEE
15 years 8 months ago
2008
IEEE
Motivated by sensor networks, we consider the fusion storage of correlated sources in a database, such that any subset of them may be efficiently retrieved in the future. Only st...
104
Voted
CIDR
2009
15 years 2 months ago
2009
Energy costs are quickly rising in large-scale data centers and are soon projected to overtake the cost of hardware. As a result, data center operators have recently started turni...