A common problem faced when gathering information from the web is the use of different names to refer to the same entity. For example, the city in Ind...

As the Web grows, more and more data has become available under dynamic forms of publication, such as legacy databases accessed by an HTML form (the s...

Information presented in a Website is usually organized into certain logical structure that is intuitive to users. It would be useful to model website...

In this paper we present a performance comparison of access methods for time-evolving regional data. Initially, we briefly review four temporal extens...

The most effective technique to enhance performances of multidimensional databases consists in materializing redundant aggregates called views. In the...