In this poster we present an approach to query answering over knowledge sources that makes use of different ontology management components within an application scenario of the BT...
One of the most important features of XML-based Web services is that they can be easily accessed over the Internet, but this makes them vulnerable to a series of security threats....
Claudio Agostino Ardagna, Sabrina De Capitani di V...
The paper argues for the use of general and intuitive knowledge representation languages (and simpler notational variants, e.g. subsets of natural languages) for indexing the cont...
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
We designed and implemented a digital library system that supports content-based retrieval of multimedia objects based on MPEG-7 and XQuery. MPEG-7, a metadata standard for multim...