Independence analysis is the problem of determining whether an update affects the result of a query, e.g. a constraint or materialized view. We develop a new, modular framework fo...
We consider the incremental validation of updates on XML documents. When a valid XML document (i.e., one satisfying some constraints) is updated, it has to be verified that the n...
We address the problem of efficient support for active rules in XML database systems. We describe a general form of active rules for XML based on XQuery and a previously defined...
Rather than upgrading a software system to the next version by installing a new binary, software systems could be updated "on-thefly" during their execution. We are devel...
We show how structured data stored in files can benefit from standard database technology and in particular be queried and updated using database languages. We introduce the notio...