Markup languages, representations, schemas, and tools have significantly increased the ability for organizations to share their information. Languages, such as the Extensible Mark...
BioMediator is a data integration system that provides a common interface to multiple Internet-accessible databases containing information about genetics and molecular biology. Ont...
The goal of a mediator system is to provide users a uniform interface to the multitude of information sources. To translate user queries, given in a mediated schema, to queries on...
It is a fact that many XML query languages lack support for update operations. Those that have minimal support do not concern with preserving documents' constraints, and cons...
Data Warehouse-(DW) logical design often start with a conceptual schema and then generates relational structures. Applying this approach implies to cope with two main aspects: (i) ...