The increasing market penetration of mobile devices, such as smartphones and tablets,
poses additional challenges on the design of distributed systems. Due to the heterogeneous …

Operator placement has a profound impact on the performance of a distributed complex
event processing system (DCEP). Since the behavior of a placement mechanism strongly …

Abstract Distributed Complex Event Processing (DCEP) is a commonly used paradigm to
detect and act on situational changes of many applications, including the Internet of Things …

This book reports on a novel concept of mechanism transitions for the design of highly
scalable and adaptive publish/subscribe systems. First, it introduces relevant mechanisms …

Let us define transition as the" exchange" between two mechanisms with comparable
functionality, but with different algorithms and implementation concepts, which are optimal …

In der Dissertation wird aufgezeigt, dass die Analyse, die Umsetzung und die Evaluation von
Kommunikationssystemen durch i) fehlende Abstraktionen und die resultierende …

This work demonstrates the effects of multi-layer adaptivity for a wireless live video
streaming scenario. We investigate a specific type of adaptations, the so-called transitions …

Communication anytime and anywhere is necessary for our modern society to function.
However, the critical network infrastructure quickly fails in the face of a disaster and leaves …

Complex Event Processing (CEP) system enables extraction of higher-level information from
real-time data streams produced by distributed sources. However, these systems are subject …

User-generated video has attracted a lot of attention due to the success of Video Sharing
Sites such as YouTube and Online Social Networks. Recently, a shift towards live …