A Geographic Information System allows to create and manage spatial data. Having many public users who create and edit objects in geographic maps, the question of data quality aris...
ion suffices ("decide which type you want and provide a full set of operations for each type"). If the application domain is, say, the administration of a university, the...
AbstractAbstractAbstractAbstract Current Web-based electronic commerce systems are lacking in efficient electronic brokerage. However, brokerage plays an important role in many ele...
The Much advancement has lately occurred in eCommerce systems’ interfaces. Product specifications listings combined with pictures is no longer considered the benchmark for eComm...
Today’s large-scale distributed systems consist of collections of nodes that have highly variable availability — a phenomenon sometimes called churn. This availability variati...