Relational Database Systems often support activities like data warehousing, cleaning and integration. All these activities require performing some sort of data transformations. Si...
This paper reports the first part of a project that aims to develop a knowledge extraction and knowledge discovery system that extracts causal knowledge from textual databases. In...
We present a design of a distributed publish-subscribe system that extends the functionality of messaging middleware with “relational subscriptions”, to support timely updates...
A range of database services are being offered on clusters of workstations today to meet the demanding needs of applications with voluminous datasets, high computational and I/O r...
Object-oriented database OODB users bring with them large quantities of legacy data megabytes and even gigabytes. In addition, scienti c OODB users continually generate new data. ...