ILP
2003
Springer
14 years 5 months ago
2003
Springer
Query optimization is used frequently in relational database management systems. Most existing techniques are based on reordering the relational operators, where the most selective...
MIDDLEWARE
2004
Springer
14 years 5 months ago
2004
Springer
The Internet provides a wealth of useful information in a vast number of dynamic information sources, but it is difficult to determine which sources are useful for a given query. ...