Publish/subscribe systems are an alternative to query based systems in cases where the same information is asked for over and over, and where clients want to get updated answers fo...
Database systems have been designed to manage business critical information and make this information accessible on request to connected clients. There is, however, an ever-increa...
Computing aggregates over selected categories of multidimensional discrete data (MDD) cubes is the core operation of many on-line analytical processing (OLAP) systems. In order to...
The New Zealand Digital Library offers several collections of information over the World Wide Web. Although fulltext indexing is the primary access mechanism, musical collections ...
Graph transformation systems have been introduced for the formal specification of software systems. States are thereby modeled as graphs, and computations as graph derivations acco...