In e-learning is very important the checking plagiarism of students homework submissions. This paper proposes methods and tools for the plagiarism detection. The paper focuses only on the source code plagiarism. The a...
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In this study, a computerized model has been developed to obtain the optimal distribution of the machines on three cells based on Artificial Neural Network (ANN's). These networks rely on the historical input-outp...
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In this paper we present a new database suitable for both 2D and 3D face recognition based on photometric stereo, the so-called Photoface database. The Photoface database was collected using a custom-made four-source ...
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In this paper we present a new database suitable for both 2D and 3D face recognition based on photometric stereo, the so-called Photoface database. The Photoface database was collected using a custom-made four-source photometric stereo device that could be easily deployed in commercial settings. Unlike other publicly available databases the level of cooperation between subjects and the capture mechanism was minimal. The proposed device may also be used, to capture 3D expressive faces. Apart from the description of the device and the Photoface database, we present experiments from baseline face recognition and verification algorithms using albedo, normals and the recovered depth maps. Finally, we have conducted experiments in order to demonstrate how different methods in the pipeline of photometric stereo (i.e. normal field computation and depth map reconstruction methods) affect recognition/verification performance.
In this paper we discuss the development and implementation of an Arabic automatic speech recognition engine. The engine can recognize both continuous speech and isolated words. The system was developed using the Hidd...
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Non-functional attributes of software are considered as major element for improving software quality. However, achieving these attributes in a software system is not a simple task, bearing in mind the relationships be...
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Usability is no longer a forgotten quality attribute. Producing usable software user interface designs has become one of the important goals of software developers. Usability problems are intolerable as they affect so...
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Web service composition is a topic bringing several issues to be resolved. Our work deals with the effectiveness and scalability of service composition. During composition we consider QoS and pre-/post-conditions of s...
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Automatic speech recognition (ASR) has been for a long time an active research area with a large variety of applications in human-computer intelligent interaction. The most used technique in this field is the Hidden M...
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Automatic dynamic web service composition is showing to be an effective way how to deal with the dynamic character of the web services and business environment, while providing a mechanism supplying varying user goals...
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The article deals with the denotational semantics of a special query language called XML-Lambda (abbreviated as XML-λ), which is based on the simply typed lambda calculus. The exact semantics allows experimentation w...
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The article deals with the denotational semantics of a special query language called XML-Lambda (abbreviated as XML-λ), which is based on the simply typed lambda calculus. The exact semantics allows experimentation with a language definition, prototyping of programs, and similar experiments. One of such experiment is the implementation of the XQuery language in the XML-λ environment. The main advantage of our approach is the possibility of a query optimizations in the XML-λ intermediate form. It is much more easier than optimizations based on the official W3C semantics. XML-λ is a part of more complex XML-λ Framework which serves for experimenting with the tools for XML processing.
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