Workflow models have been used and refined for years to execute processes within organisations. To deal with collaborative processes (choreographies) these internal workflow model...
The most important and interesting of the computing challenges we are facing are those that involve the problems and opportunities afforded by massive decentralization and disinte...
Implementing an electronic payment system involves striking a balance between usability and security. Systems that allow payments to be completed with little effort on the part of...
Queries describe the users' search intent and therefore they play an essential role in the context of ranking for information retrieval and Web search. However, most of exist...
—The EU WINNER projects have studied OFDM-based packet data systems beyond 3G that use adaptivity on all timescales to obtain high flexibility and performance. The adaptive trans...