The explosive growth of the Internet and information devices has driven database systems to be more scaleable, available, and able to support online, mobile, and disconnected clie...
Active systems are emerging in many fields, being particularly interesting those like Active Database Management Systems which always provide some kind of reactive capabilities. I...
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
Abstract Integrated engineering environments, based on federated database technology, are, among others, a means to control the integrity of and dependencies between product data c...
Modern extensible database systems support multimedia data through ADTs. However, because of the problems with multimedia query formulation, this support is not sufficient. Multim...