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The myExperiment social website for sharing scientific workflows, designed according to Web 2.0 principles, has grown to be the largest public repository of its kind. It is distinctive for its focus on sharing methods, its researcher-centric design and its facility to aggregate content into sharable `research objects'. This evolution of myExperiment has occurred hand in hand with its users. myExperiment...
The rapid introduction of new mobile data services presents many challenges to wireless service providers. Unlike voice services, whose traffic characteristics are well understood, new data services are far more volatile and their demand on network resources is harder to predict. Data volumes are exploding and impacting not only the ability of the network to support such traffic but are also driving...
Information systems that are accessible via the web have become a very important class of large-scale software systems. In order to assure a high quality of such systems we propose a layered approach using integrated methods for all levels. In doing so we bring together knowledge from semiotics, goal-oriented requirements engineering, conceptual modelling, databases, human-computer interaction and...
Speech quality evaluation is a very important research topic. In addition, the real time property of packet-switched network (e.g., the Internet) applications requires a fast and effective audio quality evaluation method. Mean opinion score (MOS) is reliable, but the listening test is very expensive, time-consuming, and sometimes impractical. The existing objective quality assessment methods require...
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