As the first stage for discovering association rules, frequent itemsets mining is an important challenging task for large databases. Sampling provides an efficient way to get appro...
: The management of metamodels is supported by runtime environments that enforce the well-formedness of (meta-)model instances. Beyond this basic functionality, additional capabili...
We consider the challenge of preference elicitation in systems that help users discover the most desirable item(s) within a given database. Past work on preference elicitation foc...
: Web application accessibility requires the enforcement of a set of rules on the content written or generated with the help of Web Development Environments. W3C Consortium's ...
We investigate the space requirements for summaries needed for maintaining exact answers to aggregate queries over histories of relational databases. We show that, in general, a su...