System developments and research on parallel query processing have concentrated either on "Shared Everything" or "Shared Nothing" architectures so far. While t...
Data and computations of a CAD system have been wrapped by a mediator system using CORBA's IIOP Protocol. This allows ad hoc declarative mediator queries to be translated into...
This paper presents the advantages of combining multiple document representation schemes for query processing of XML queries on content and structure. We show how extending the Te...
Regular tree queries (RTQs) are a class of queries considered especially relevant for the expressiveness and evaluation of XML query languages. The algorithms proposed so far for ...
Given a dataset containing sensitive personal information, a statistical database answers aggregate queries in a manner that preserves individual privacy. We consider the problem ...