We study the problem of query optimization in federated relational database systems. The nature of federated databases explicitly decouples many aspects of the optimization proces...
Data-intensive applications are increasingly designed to execute on large computing clusters. Grouped aggregation is a core primitive of many distributed programming models, and i...
We present a new interface for Object-Oriented Database Management Systems (OODBMSs). The GOODIES1 system combines and expands the functions of many existing interface systems, in...
Juliano Lopes de Oliveira, Ricardo de Oliveira Ani...
—With the exponential growth in the amount of data that is being generated in recent years, there is a pressing need for applying machine learning algorithms to large data sets. ...
From beginning of 1994 to the end of 1996, the IRO-DB ESPRIT project has developed tools for accessing relational and object-oriented databases in an integrated way. The system is...
Peter Fankhauser, Georges Gardarin, M. Lopez, J. M...