Hybrid peer-to-peer architectures use special nodes to provide directory services for regions of the network (“regional directory services”). Hybrid peer-to-peer architectures...
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
Nowadays, many applications need data modeling facilities for the description of complex objects with spatial and/or temporal facilities. Responses to such requirements may be fou...
The paradigm of mobile agents offers a powerful and flexible ity to develop distributed applications on a high-level of abstraction. One of the most interesting tasks for mobile ag...
Hartmut Vogler, Marie-Luise Moschgath, Thomas Kunk...
Internet-based information technologies have considerable potential for improving collaboration in professional communities. In this paper, we explain the concept of user-driven sp...