785 search results - page 63 / 157 » Efficient Processing of Top-k Queries in Uncertain Databases |
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
We present the application of customized code generation to database query evaluation. The idea is to use a collection of highly efficient code templates and dynamically instantiat...
CIDR
2009
13 years 10 months ago
2009
In database query processing, actual run-time conditions (e.g., actual selectivities and actual available memory) very often differ from compile-time expectations of run-time cond...
DATESO
2010
13 years 7 months ago
2010
Abstract. Current XPath processors use direct approach to query evaluation which is quite inefficient in some cases and usually implemented serially. This may be a problem in case ...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
-- In the database outsourcing paradigm, a data owner (DO) delegates its DBMS administration to a specialized service provider (SP) that receives and processes queries from clients...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...