Field usability research involves observing people in their own environments—for example, workplaces, homes, and schools—to learn their normal or natural behavior. Through fie...
: A data warehouse is a database focused on decision making. It is built separately from the transactional (OLTP) databases of the enterprise, although it is partly fed from transa...
We present a novel solution for authenticating printed paper documents by utilizing the inherent non–repeatable randomness existing in the printing process. For a document print...
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...
Abstract—A geolocalised system generally belongs to an individual and as such knowing its location reveals the location of its owner, which is a direct threat against his privacy...