— The amount of semantic data on the Web has increased exponentially in the last years. One of the main reasons for this is the use of RDB2RDF systems, which generate RDF data fr...
Query optimization is used frequently in relational database management systems. Most existing techniques are based on reordering the relational operators, where the most selective...
We present a framework for designing, in a declarative and flexible way, efficient migration programs and an undergoing implementation of a migration tool called RelOO whose targe...
—Database technology is the significant part of computer science and technology, as the core technology of information management, database technology is widely used in the field...
Currently, in the development of business applications, difficulties occasionally arise between the customer side and the supplier side, causing delays and higher development cost...