This paper describes a usability study performed on three different e-encyclopaedias, all of which were available on the web, contained similar content and targeted similar audien...
In a modern business process, documents are important carriers of information between organisations. Document management solutions are increasingly based on structured document for...
We introduce a new method for optimization of SQL queries with nested subqueries. The method is based on the idea of Boolean aggregates, aggregates that compute the conjunction or ...
For monoids that satisfy a weak cancellation condition, it is shown that the decidability of the existential theory of word equations is preserved under graph products. Furthermore...
Despite the growth of Internet and the advances in WWW technology, current methods for web users to make good use of information from so enormous web pages are not as efficient as ...