995 search results - page 72 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
160
click to vote
DOCENG
2004
ACM
15 years 7 months ago
2004
ACM
With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...
126
click to vote
PODS
2008
ACM
16 years 2 months ago
2008
ACM
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
106
click to vote
VLDB
2004
ACM
15 years 7 months ago
2004
ACM
Histograms and Wavelet synopses provide useful tools in query optimization and approximate query answering. Traditional histogram construction algorithms, such as V-Optimal, optim...
216
click to vote
ICDE
2003
IEEE
16 years 3 months ago
2003
IEEE
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
149
click to vote
DILS
2006
Springer
15 years 5 months ago
2006
Springer
Scientific experiments are becoming increasingly large and complex, with a commensurate increase in the amount and complexity of data generated. Data, both intermediate and final r...