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Multiuser voice conferencing platforms are more and more popular. Internet bandwidth is becoming very accessible, what makes voice over IP used on an everyday basis. Being able to communicate with multiple people at the same time can be beneficial, but on the other hand increases the need of coordination mechanisms. Determining a moderation scheme which is fair and efficient is not a trivial problem...
This paper presents an approach for underdetermined blind source separation that can be applied even if the number of sources is unknown. Moreover, the proposed approach is applicable in the case of separating I+3 sources from I mixtures without additive noise. This situation is more challenging and suitable to practical real world problems. Also, the sparsity conditions are not imposed unlike to...
In the article a new approach for control of a pressure-constrained batch reactor and a new multi-step optimization algorithm were presented. The considered batch reactor was described by both differential and algebraic equations. State constraints incorporate always difficulties into a mathematical model of the reactor, so a new algorithm based on a multiple shooting SQP-line search method was proposed...
This article presents a recommender system based on rough mereology for predicting Ozone concentration in Kuwait through testing the data gathered from Al-Jahra station. The proposed recommender system consists of three phases; namely pre-processing, classification, and recommendation phases. To evaluate the performance of the presented recommender system, fifteen parameters were used. Those parameters...
Expander graphs are highly connected sparse finite graphs. The property of being an expander seems significant in many of these mathematical, computational and physical contexts. Even more, expanders are surprizingly applicably applicable in other computational aspects: in the theory of error corecting codes and the theory of pseudorandomness, which are used in probabilistic algorithms. In this article...
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