— Service compositions provide a promising way to realize and coordinate automated support for business activities and processes. These business processes and their automated sup...
We discuss the availability questions that arise when digital time stamps are used for preserving the evidentiary value of electronic documents. We analyze the time-stamping protoc...
We investigate the preservation of quality of service guarantees to a flow of packets in the presence of flow aggregation. For efficiency, multiple flows, known as the constituent...
Argumentation is considered as an essential element for effective learning since it enables learners to develop their points of view and refine their knowledge. Our aim being to fa...
Christina E. Evangelou, Nikos Karousos, Manolis Tz...
The grid is the next generation computing infrastructure able to handle the growing requirements for computing power. Portals are anticipated as the user’s access point to these...
Piotr Grzybowski, Michal Kosiedowski, Cezary Mazur...