1992 search results - page 270 / 399 » Implementing sorting in database systems |
VLDB
2003
ACM
14 years 9 months ago
2003
ACM
We enunciate the need for watermarking database relations to deter data piracy, identify the characteristics of relational data that pose unique challenges for watermarking, and de...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
In order to optimize their revenues and profits, an increasing number of businesses organize their business activities in terms of business processes. Typically, they automate imp...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
EDBT
2010
ACM
14 years 4 months ago
2010
ACM
Skyline queries have gained a lot of attention for multicriteria analysis in large-scale datasets. While existing skyline algorithms have focused mostly on exploiting data dominan...