907 search results - page 31 / 182 » Efficient Optimization of Iterative Queries |
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
PPDP
2010
Springer
13 years 6 months ago
2010
Springer
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...
DATESO
2008
13 years 10 months ago
2008
Abstract In recent years, many approaches to indexing XML data have appeared. These approaches attempt to process XML queries efficiently and sufficient query plans are built for t...
ICEIS
2006
IEEE
14 years 2 months ago
2006
IEEE
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...