Abstract—3GPP is in the process of defining the long-term evolution (LTE) for 3G radio access, sometimes referred to as Super3G, in order to maintain the future competitiveness o...
Without physical boundaries, a wireless network faces many more security threats than a wired network does. Therefore, in the IEEE 802.16 standard a security sublayer is specified...
Adaptation to changing environmental conditions is a major challenge for most distributed applications. The service-oriented programming paradigm leads to an increasing number of ...
Abstract. Esfinge is a general domain Portuguese question answering system. It tries to apply simple techniques to large amounts of text. Esfinge participated last year in the mono...
—Today’s rich service offer in the World Wide Web increasingly requires the disclosure of personal user data. Service providers’ appetite for personal user data, however, is ...