1168 search results - page 100 / 234 » Optimization strategies for complex queries |
151
click to vote
SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
153
click to vote
ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
XML database systems are expected to handle increasingly complex queries over increasingly large and highly structured XML databases. An important problem that needs to be solved ...
PEPM
2010
ACM
15 years 6 months ago
2010
ACM
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
DASFAA
2010
IEEE
15 years 4 months ago
2010
IEEE
Compression in column-oriented databases has been proven to offer both performance enhancements and reductions in storage consumption. This is especially true for read access as c...
187
click to vote
ICDE
2004
IEEE
15 years 11 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...