Invited Presentation -- Energy-Efficient Hand-Held Multimedia Systems - Designing the Swiss Army Knife of Computing - -- Efficient Audio/Video Coding and Delivery -- Realisation of an Adaptive Audio Tool -- A Robust JPEG Coder for a Partially Reliable Transport Service -- A Dynamic RAM Cache for High Quality Distributed Video -- Multimedia Conferencing, Synchronization and Multicast -- Fast and Optimal Multicast-Server Selection Based on Receivers' Preference -- Mcast: A Multicast Multimedia Communication Software Development Platform -- Enforcing Multipoint Multimedia Synchronisation in Videoconferencing Applications -- Communication, Control and Telephony over IP Networks -- Utility Based Inter-stream Adaptation of Layered Streams in a Multiple-Flow IP Session -- An Interaction Control Architecture for Large Chairperson-Controlled Conferences over the Internet -- Using DMIF for Abstracting from IP-Telephony Signaling Protocols -- Invited Presentation -- Short-Range Connectivity with Bluetooth -- QoS Models and Architectures -- A QoS-Control Architecture for Object Middleware -- An Architecture for a Scalable Video-on-Demand Server Network with Quality-of-Service Guarantees -- Augmented Reliable Multicast CORBA Event Service (ARMS): A QoS-Adaptive Middleware -- Middleware Support for Media Streaming Establishment Driven by User-Oriented QoS Requirements -- Multimedia Applications and User Aspects -- Interaction of Video on Demand Systems with Human-Like Avatars and Hypermedia -- How to Make a Digital Whiteboard Secure-Using JAVA-Cards for Multimedia Applications -- How to Keep a Dead Man from Shooting -- Building Web Resources for Natural Scientists -- Invited Presentation -- On the Failure of Middleware to Support Multimedia Applications -- Design and Implementation Approaches -- JASMINE: Java Application Sharing in Multiuser INteractive Environments -- Design and Implementation of a Framework for Monitoring Distributed Component Interactions -- Specification and Implementation of an Extensible Multimedia System -- Communication Protocol Implementation in Java -- Mobile Multimedia and Ubiquitous Computing Systems -- Active Component Driven Network Handoff for Mobile Multimedia Systems -- "Mix and Match" Media Servers -- Spatially Aware Local Communication in the RAUM System -- The UbiCampus Project: Applying Ubiquitous Computing Technologies in a University Environment.