Increasing popularity of XML in recent years has generated much interest in query processing over graph-structured data. To support efficient evaluation of path expressions, many ...
To facilitate the XML query processing, several kinds of labeling schemes have been proposed. Based on the labeling schemes, the ancestordescendant and parent-child relationships i...
In a mobile environment, querying a database at a stationary server from a mobile client is expensive due to the limited bandwidth of a wireless channel and the instability of the ...
One of the objectives of ooDBMSs is to use type-speci c methods for manipulating objects, in order to maintain the consistency of the database. This is, however, little help for t...
When trying to apply recently developed approaches for updating Description Logic ABoxes in the context of an action programming language, one encounters two problems. First, upda...
Conrad Drescher, Hongkai Liu, Franz Baader, Steffe...