A Community Web portal is a set of tools for a community of people who want to share information on a certain domain via the Web. The backbone of this system is an ontology which ...
As Web applications manipulate an increasing amount of XML, there is a growing interest in storing XML data in relational databases. Due to the mismatch between the complexity of ...
E-Services are becoming as promising technology for the effective automation of application integration across Web. They build upon XML, as data format for exchanging messages bet...
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...
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...