There are principal differences between the relational model and XML's tree model. This causes problems in all cases where information from these two worlds has to be brought...
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...
Abstract. The following paper describes recent work on NED-2, an intelligent information system for ecosystem management currently in development by the USDA Forest Service. Using ...
Frederick Maier, Donald Nute, Walter D. Potter, Ji...
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
A growing number of databases especially those published on the Web are becoming available to external users. Users of these databases are provided simple form-based query interfa...