The ease with which one can copy and transform data on the Web, has made it increasingly di cult to determine the origins of a piece of data. We use the term data provenance to ref...
Abstract. Usage and exploitation of the Internet is a critical requirement for managing and distributing valuable digital assets. This requirement introduces a great number of thre...
Ioannis Chatzigiannakis, Vasiliki Liagkou, D. Salo...
The ability to electronically exchange health information among different facilities or organizations has significant potential to improve patient care and reduce the costs of tha...
While the Web makes an increasing number of ontologies widely available for applications, how to discover ontologies becomes a more challenging issue. Existing approaches are mainl...
Discovering the complex relationships between entities is one way of benefitting from the Semantic Web. This paper discusses new approaches to implementing -operators into RDF quer...