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Chapter and Conference Paper
Grid Infrastructure Monitoring as Reliable Information Service
A short overview of Grid infrastructure status monitoring is given followed by a discussion of key concepts for advanced status monitoring systems: passive information gathering based on direct application ins...
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Chapter and Conference Paper
User-Empowered Programmable Network Support for Collaborative Environment
We introduce a user-empowered UDP packet reflector to create virtual multicasting environments as an overlay on top of current unicast networks. The end-users’ ability to fully control this environment by a sp...
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Chapter and Conference Paper
Scalability and Robustness of Virtual Multicast for Synchronous Multimedia Distribution
A simple UDP packet reflector for virtual multicast multimedia transfer is extended to form a distributed system of active elements that solves the scalability problem of otherwise centralistic approach. The r...
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Chapter and Conference Paper
Active Element Network with P2P Control Plane
Multi-point data distribution for synchronous multimedia communication poses interesting problem for networking environment and it is usually implemented by either native or virtual multicast. We describe and ...
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Chapter and Conference Paper
GColl: A Flexible Videoconferencing Environment for Group-to-Group Interaction
In this paper, we present GColl, a group-to-group videoconferencing environment concept, which aims to provide a natural communication channel even for ad-hoc groups or other teams that require frequent change...
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Chapter and Conference Paper
CoUniverse: Framework for Building Self-organizing Collaborative Environments Using Extreme-Bandwidth Media Applications
In this paper, we present a framework called CoUniverse, designed for building real-time user-empowered collaborative environments to work primarily on high-speed networks with true high-bandwidth applications...
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Article
Soil nutrient heterogeneity and competitive ability of three grass species (Festuca ovina, Arrhenatherum elatius and Calamagrostis epigejos) in experimental conditions
We studied the effects of differences in root growth and nutrient pool on the competitive ability of Festuca ovina (short grass), Arrhenatherum elatius and Calamagrostis epigejos (tall grasses) grown in monocultu...
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Article
Effect of Manipulated Rainfall on Root Production and Plant Belowground Dry Mass of Different Grassland Ecosystems
A field experiment was established to quantify the effects of different amounts of rainfall on root growth and dry mass of belowground plant parts in three types of grassland ecosystems. Mountain (Nardus grasslan...
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Article
The effect of enhanced nitrogen on aboveground biomass allocation and nutrient resorption in the fern Athyrium distentifolium
We measured aboveground biomass allocation and resorption of nitrogen (N) and phosphorus (P) in the fronds of a winter-deciduous fern Athyrium distentifolium in ambient and N-enhanced treatments. Studies were don...
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Article
Effect of nitrogen addition and drought on above-ground biomass of expanding tall grasses Calamagrostis epigejos and Arrhenatherum elatius
Tall expansive grasses act as serious weeds since they spread intensively and are a important threat to biodiversity of various plant communities. A field experiment was set up based on three sets of paired pl...
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Article
Data transfer planning with tree placement for collaborative environments
Latency-sensitive data distribution and media streaming is a part of many network-centric applications. Based on our previous practical experiences with interactive high-quality media distribution and orchestr...
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Chapter and Conference Paper
Low GPU Occupancy Approach to Fast Arithmetic Coding in JPEG2000
Arithmetic coding, and especially adaptive MQ-Coding of JPEG2000, is a serial process, which does not match specifics of GPUs as massively parallel processors well. In this paper we study and evaluate several ...
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Chapter and Conference Paper
Exploring Collaboration in Group-to-Group Videoconferencing
Prior work on videoconferencing shows that various design changes can have profound impacts on group dynamics. In order to further explore the available design space, we report on a qualitative study that comp...
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Article
The role of Athyrium distentifolium in reduction of soil acidification and base cation losses due to acid deposition in a deforested mountain area
The tall fern (Athyrium distentifolium Tausch ex Opiz) forms large stands in many deforested sites in Central European mountains. In the present study, we want to demonstrate that the effect of ferns on the leach...
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Article
Different nutrient use strategies of expansive grasses Calamagrostis epigejos and Arrhenatherum elatius
Enhanced nitrogen (N) levels accelerate expansion of Calamagrostis epigejos and Arrhenatherum elatius, highly aggressive expanders displacing original dry acidophilous grassland vegetation in the Podyjí National ...
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Chapter and Conference Paper
Towards User-Aware Multi-touch Interaction Layer for Group Collaborative Systems
State-of-the-art collaborative workspaces are represented either by large tabletops or wall-sized interactive displays. Extending bare multi-touch capability with metadata for association of touch events to in...
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Article
Laser Remelting of Plasma-Sprayed Tungsten Coatings
Laser surface melting was applied on plasma-sprayed tungsten coatings, with the aim to eliminate intersplat voids and improve thermal conductivity. A variety of laser parameters was tested and the morphology a...
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Article
BBMRI-ERIC: the novel gateway to biobanks
BBMRI-ERIC, the Biobanking and BioMolecular Resources Research Infrastructure-European Research Infrastructure Consortium, is a new form of umbrella organization for biobanking in Europe. For rare and common d...
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Article
Dynamic reconfiguration in multigroup multicast routing under uncertainty
Motivated by high quality multimedia and remote collaborative environments, we solve the problem of multigroup multicast routing with a number of features important for real-world deployment of the interactive...
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Article
Author Correction: Leveraging European infrastructures to access 1 million human genomes by 2022
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
