Mobile Data Access

Session I: Wireless Networks and Communications.- Wireless VoIP: Opportunities and Challenges.- GSM Mobile Phone Based Communication of Multimedia Information: A Case Study.- A Witness-Aided Routing Protocol for Mobile Ad-Hoc Networks with Unidirectional Links.- Assessing Opportunities for Broadband Optical Wireless Local Loops in an Unbundled Access Network.- On Simulation Modeling of Information Dissemination Systems in Mobile Environments.- Session II: Transaction Processing in Mobile Environments.- On the Performance of Transaction Processing in Broadcast Environments.- Transaction Processing in an Asymmetric Mobile Environment.- Speculative Lock Management to Increase Concurrency in Mobile Environments.- Optimistic Concurrency Control in Broadcast Environments: Looking Forward at the Server and Backward at the Clients.- Session III: Ubiquitous Information Services.- Modelling the WAP Transaction Service Using Coloured Petri Nets.- Enabling Ubiquitous Database Access with XML.- Design and Evaluation of an Information Announcement Mechanism for Mobile Computers.- Active Rule System for Adaptive Mobile Data Access.- Preserving Smooth Traffic and High Presentation QoS for VBR-Encoded Video.- Session IV: Mobile Data Replication and Caching.- Peer Replication with Selective Control.- Cache Coherency in Location-Dependent Information Services for Mobile Environment.- An Autonomous Data Coherency Protocol for Mobile Devices.- Session V: Mobility and Location Management.- Location Management Strategies for Reducing Both Movement Cost and Locating Cost Simultaneously.- Internet Mobility Support Optimized for Client Access and Its Scalable Authentication Framework.- Proxy Agent Consistency Service Based on CORBA.- Keynote Speeches.- Integrating Mobile Objects into the Wirelessly Wired World: The Need for Energy Efficient Algorithms.- Databases Unplugged: Challenges in Ubiquitous Data Management.