3305 search results - page 29 / 661 » Can we Rely on SQL |
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
PVLDB
2010
13 years 6 months ago
2010
The recent literature has provided a solid theoretical foundation for the use of schema mappings in data-exchange applications. Following this formalization, new algorithms have b...
TSE
2008
13 years 7 months ago
2008
Many software systems have evolved to include a Web-based component that makes them available to the public via the Internet and can expose them to a variety of Web-based attacks. ...
ICDE
1995
IEEE
14 years 9 months ago
1995
IEEE
We describe set-oriented algorithms for mining association rules. Such algorithms imply performing multiple joins and may appear to be inherently less escient than special-purpose...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
Nested iteration is an important technique for query evaluation. It is the default way of executing nested subqueries in SQL. Although decorrelation often results in cheaper non-n...