Several advanced applications, such as those dealing with the Web, need to handle data whose structure is not known a-priori. Such requirement severely limits the applicability of ...
We present QueryViz, a novel visualization tool for SQL queries that reduces the time needed to read and understand existing queries. It targets two principal audiences: (i) users...
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...
Data Warehouse logical design involves the definition of structures that enable an efficient access to information. The designer builds relational or multidimensional structures ta...
Data Warehouse logical design involves the definition of structures that enable an efficient access to information. The designer builds relational or multidimensional structures ta...