Continuous queries in a Data Stream Management System (DSMS) rely on time as a basis for windows on streams and for defining a consistent semantics for multiple streams and updata...
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...
Wim Le Page, Jan Hidders, Philippe Michiels, Jan P...
TimesTen Performance Software's Front-Tier product is an application-tier data cache that inter-operates with disk-based relational database management systems (RDBMSs) to ac...
Abstract. We describe MIDST, an implementation of the model management operator ModelGen, which translates schemas from one model to another, for example from OO to SQL or from SQL...
Paolo Atzeni, Paolo Cappellari, Philip A. Bernstei...
XML database systems are expected to handle increasingly complex queries over increasingly large and highly structured XML databases. An important problem that needs to be solved ...
Iman Elghandour, Ashraf Aboulnaga, Daniel C. Zilio...