Running in a highly uncertain and changing environment, Web systems cannot always provide full set of services with optimal quality, especially when the workload is high or failur...
Reactivity on the Web is an emerging issue. It is essential for upcoming Web systems such as online marketplaces, adaptive, Semantic Web systems as well as Web services and Grids....
Reactivity, the ability to detect and react to events, is an essential functionality in many information systems. In particular, Web systems such as online marketplaces, adaptive (...