The introduction of a Service-Oriented Architecture (SOA) can affect performance in a negative way. This exacerbates the application of SOA to systems for bulk data processing. This paper describes specific aspects of Service-Oriented Architectures that impact performance particularly. It discusses several approaches to these issues that are currently established and motivates the need for a fr...

Service-oriented computing, which offers more flexible means for application development, is gaining popularity. Service-oriented grid applications are constructed by selecting and composing appropriate services. They are one kind of promising applications in grid environments. However, the dynamism and autonomy of environments make the issues of dynamically adapting a service-oriented grid app...

Many important applications – from big data analytics to information retrieval, gene expression analysis, and numerical weather prediction – require the solution of large dense singular value decompositions (SVD). In many cases the problems are too large to fit into the computer’s main memory, and thus require specialized out-of-core algorithms that use disk storage. In this paper, we analyze t...

1 SummaRy Our method of correcting the hollow lower eyelid is based on fabrication of the triangular flap from the pretarsal portion of the orbicularis oculi muscle of the lower eyelid and its transposition downward. The reasons for the “hollow” lower eyelid can be the involutive changes in the periorbital area, ptosis of the midface soft tissues, or the excessive removal of fatty hernia during...

We present a systematic means of designing serviceoriented systems. Because services are developed independently, with no prior knowledge about each other, there is only a limited possibility that such services use similar message templates, initiate calls to any other service, or generate messages to support desired architecture configurations. As a result, construction of service-oriented sys...

We introduce “exploration modules (EMs)” as new aids for learning objectoriented modelling in learner-centred Informatics education. The learners’ activities, when using EMs are described. It is shown and discussed in detail, in how far EMs can help learners at the solution of complex problems, e.g. modelling a library system. Moreover a phase concept for the inclusion of our overall conception...

This thesis describes a novel approach to create, develop and utilize software tools for visualization in scientific and engineering applications. These Scientific Visualization (SV) tools are highly interactive visual aids which allow analysis and inspection of complex numerical data generated from high-bandwidth data sources such as simulation software, experimental rigs, satellites, scanners...

The determination of kinetics of high-dimensional dynamical systems, such as macromolecules, polymers, or spin systems, is a difficult and generally unsolved problem - both in simulation, where the optimal reaction coordinate(s) are generally unknown and are difficult to compute, and in experimental measurements, where only specific coordinates are observable. Markov models, or Markov state mod...

In activity-centric environments where people from different companies and disciplines work remotely together and where new virtual teams are formed and dissolved continuously, how to find the most suitable collaboration partner for a given task and how well one partner is able to collaborate with another one are challenging research questions. Determining and considering people’s professional ...