Modern CPUs have instructions that allow basic operations to be performed on several data elements in parallel. These instructions are called SIMD instructions, since they apply a...
For very large databases such as those used by banks and airlines, cost considerations may forbid shutting down the service for a long period of time and reorganizing off-line. Si...
Regression testing is an important software maintenance activity to ensure the integrity of a software after modification. However, most methods and tools developed for software te...
Gradual patterns highlight complex order correlations of the form “The more/less X, the more/less Y”. Only recently algorithms have appeared to mine efficiently gradual rules. ...
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...