515 search results - page 100 / 103 » Query Decomposition, Optimization and Processing in Multidat... |
SIGMOD
2010
ACM
13 years 5 months ago
2010
ACM
Virtually all histograms store for each bucket the number of distinct values it contains and their average frequency. In this paper, we question this paradigm. We start out by inv...
DEBU
2006
13 years 7 months ago
2006
Performance tuning in modern database systems requires a lot of expertise, is very time consuming and often misdirected. Tuning attempts often lack a methodology that has a holist...
SIGMOD
2007
ACM
14 years 7 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 ...
PPDP
2007
Springer
14 years 1 months ago
2007
Springer
Static analyses provide the semantic foundation for tools ranging from optimizing compilers to refactoring browsers and advanced debuggers. Unfortunately, developing new analysis ...
SSDBM
2003
IEEE
14 years 19 days ago
2003
IEEE
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existin...