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Article
Efficacy of cold fogging and oral herbal extracts on air quality and immune response of broilers
In this study, the effect of aerosolized and water-supplemented Lactobacillus casei, L. plantarum and Saccharomyces cerevisiae fermented herbal extract (FHE) on air quality and immune response of broilers was stu...
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Chapter and Conference Paper
Hunting for Black Swans in the European Banking Sector Using Extreme Value Analysis
In financial risk management, a Black Swan refers to an event that is deemed improbable yet has massive consequences. In this communication we propose a way to investigate if the recent financial crisis was a ...
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Chapter and Conference Paper
Flexible and Dynamic Modeling of Dependencies via Copulas
In this chapter we first review recent developments in the use of copulas for studying dependence structures between variables. We discuss and illustrate the concepts of unconditional and conditional copulas a...
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Chapter and Conference Paper
PreCon – Expressive Context Prediction Using Stochastic Model Checking
Ubiquitous systems need to determine the context of humans to deliver the right services at the right time. As the needs of humans are often coupled to their future context, the ability to predict relevant cha...
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Chapter and Conference Paper
FlexCon – Robust Context Handling in Human-Oriented Pervasive Flows
Workflows are increasingly becoming a universal means for driving and coordinating complex processes, not only in the business world but also in areas like pervasive computing. Pervasive flows run in parallel wit...
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Article
A model for tube formation and branching in Cnidaria
When all the cells of a tube are identical, they are unlikely to control how many of them are present in the circumference. However, when the circumference is subdivided into at least two regions of different ...
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Chapter and Conference Paper
Efficient Resource-Aware Hybrid Configuration of Distributed Pervasive Applications
As the size and complexity of Pervasive Computing environments increases, configuration and adaptation of distributed applications gains importance. These tasks require automated system support, since users mu...
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Article
Methionine in pattern control of Hydra
The fresh water polyp Hydra is noted for its ability to regenerate missing body parts. Transplantation experiments indicate that the control of regeneration includes signalling over long distances. These signals ...
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Chapter and Conference Paper
Modeling Dynamic Context Awareness for Situated Workflows
A major challenge for pervasive computing is to support continuous adaptation of applications to the behavior of the user. Recent research has adopted classical workflows as alternative programming paradigm fo...
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Chapter and Conference Paper
Direct Backtracking: An Advanced Adaptation Algorithm for Pervasive Applications
The adaptation of pervasive applications is in the focus of many current research projects. While decentralized adaptation is mandatory in infrastructureless ad hoc scenarios, most realistic pervasive applicat...
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Chapter and Conference Paper
Improved Weighted Centroid Localization in Smart Ubiquitous Environments
Location-awareness is highly relevant subject in ubiquitous computing, as many applications exploit location information to provide adequate services or adapt to a changing physical environment. While GPS prov...
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Chapter and Conference Paper
Self-Organizing Infrastructures for Ambient Services
The vision of Ambient Intelligence (AmI) as a new paradigm for supporting the mobile user in his daily activities is currently entering the focus of European research efforts. A high degree of autonomy on the ...
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Article
Formation and discharge of nematocysts is controlled by a proton gradient across the cyst membrane
Cnidaria catch and kill their prey by means of nematocysts. A nematocyst consists of a capsule containing a coiled tubule. On triggering, the cyst extrudes this tubule in an extremely rapid manner. The mechani...
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Chapter and Conference Paper
Ad Hoc Service Grid
The provisioning of location-specific services in medium-sized facilities like shop** malls, hospitals, and trade fares using WLAN access points or cellular phone systems has some drawbacks. It is rather inf...
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Chapter and Conference Paper
Self-stabilizing Publish/Subscribe Systems: Algorithms and Evaluation
Most research in the area of publish/subscribe systems has not considered fault-tolerance as a central design issues. However, faults do obviously occur and masking all faults is at least expensive if not impo...
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Article
Sterile polystyrene culture dishes induce transformation of polyps into medusae in Aurelia aurita (Scyphozoa, Cnidaria)
Polyps of Aurelia aurita produce medusae once a year. Under laboratory conditions this process, termed strobilation, can be induced by lowering the incubation temperature for about two weeks. Here we report a fas...
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Chapter and Conference Paper
PayFlux – Secure Electronic Payment in Mobile Ad Hoc Networks
Electronic payment is a key building block of distributed business applications in mobile ad hoc networks (MANETs). However, existing payment systems do not fulfill the requirements imposed by the highly dynam...
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Chapter and Conference Paper
TAKEUP: Trust-Based Agent-Mediated Knowledge Exchange for Ubiquitous Peer Networks
Agent-mediated Knowledge Management is a promising approach to handle and maintain knowledge, especially in a distributed and mobile environment. One example for such an environment is a mobile community: mobi...
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Chapter and Conference Paper
Statistical Trustability (Conceptual Work)
Trust management and trust-aware applications have gained importance in re- cent years (e.g., [1,2]). Conventional security mechanisms are unable to cover all application domains. For example, in ad hoc networks,...
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Chapter and Conference Paper
Integrating Mobile Agents and Neural Networks for Proactive Management
The management of modern computer networks and distributed systems comprises big challenges due to the complexity of nowadays network environments. It requires a decentralized approach in order to be efficient...
