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Books > Computing & IT > General theory of computing > Data structures

Deep Learning - A Comprehensive Guide (Hardcover): Siniraj Pulari, Subashri Vasudevan, Shriram K. Vasudevan Deep Learning - A Comprehensive Guide (Hardcover)
Siniraj Pulari, Subashri Vasudevan, Shriram K. Vasudevan
R3,649 Discovery Miles 36 490 Ships in 10 - 15 working days

1) Focuses on the concepts and implementation strategies of various Deep Learning algorithms through properly curated examples. 2) The subject area will be valid for the next 10 years or so, as Deep Learning theory/algorithms and their applications will not be outdated easily. Hence there will be demand for such a book in the market. 3) In comparison to other titles, this book rigorously covers mathematical and conceptual details of relevant topics.

Cyber-Physical Systems - Solutions to Pandemic Challenges (Hardcover): Tushar Semwal, Faiz Iqbal Cyber-Physical Systems - Solutions to Pandemic Challenges (Hardcover)
Tushar Semwal, Faiz Iqbal
R4,656 Discovery Miles 46 560 Ships in 10 - 15 working days

Introducing strong foundations to practical Cyber-Physical Systems Leveraging CPS for pandemic affected society Ensuring Secured and Privacy aware CPS for Sensitive Data in a pandemic situation Providing methodologies to deploy CPS in industries affect by a pandemic

Body Sensor Networks (Hardcover, 2nd ed. 2014): Guang-Zhong Yang Body Sensor Networks (Hardcover, 2nd ed. 2014)
Guang-Zhong Yang
R2,968 Discovery Miles 29 680 Ships in 18 - 22 working days

The last decade has witnessed a rapid surge of interest in new sensing and monitoring devices for wellbeing and healthcare. One key development in this area is wireless, wearable and implantable "in vivo" monitoring and intervention. A myriad of platforms are now available from both academic institutions and commercial organisations. They permit the management of patients with both acute and chronic symptoms, including diabetes, cardiovascular diseases, treatment of epilepsy and other debilitating neurological disorders. Despite extensive developments in sensing technologies, there are significant research issues related to system integration, sensor miniaturisation, low-power sensor interface, wireless telemetry and signal processing.

In the 2nd edition of this popular and authoritative reference on Body Sensor Networks (BSN), major topics related to the latest technological developments and potential clinical applications are discussed, with contents covering.

Biosensor Design, Interfacing and Nanotechnology

Wireless Communication and Network Topologies

Communication Protocols and Standards

Energy Harvesting and Power Delivery

Ultra-low Power Bio-inspired Processing

Multi-sensor Fusion and Context Aware Sensing

Autonomic Sensing

Wearable, Ingestible Sensor Integration and Exemplar Applications

System Integration and Wireless Sensor Microsystems

The book also provides a comprehensive review of the current wireless sensor development platforms and a step-by-step guide to developing your own BSN applications through the use of BSN development kit.

Constraint Handling in Cohort Intelligence Algorithm (Hardcover): Ishaan R. Kale, Anand J. Kulkarni Constraint Handling in Cohort Intelligence Algorithm (Hardcover)
Ishaan R. Kale, Anand J. Kulkarni
R4,627 Discovery Miles 46 270 Ships in 10 - 15 working days

The detailed survey on constraint handling techniques specifically penalty function approach is presented in the book; presents the Cohort Intelligence (CI) algorithm incorporated with a novel self-adaptive penalty function (SAPF) approach which helped in avoiding preliminary trials of selecting penalty parameter. The approach is referred to as CI-SAPF; CI-SAPF is further hybridized with Colliding Bodies Optimization (CBO) algorithm to promote a parameter less metaheuristic algorithm; presents solutions to several problems from discrete truss structure domain, mixed variable design engineering domain, and linear & nonlinear domain validating the CI-SAPF and CI-SAPF-CBO; behavior of SAPF approach on pseudo objective function, constraint violations, penalty function and penalty parameter have been analyzed and discussed in very detail; presents the in-depth analysis and comparison of the CI-SAPF, CI-SAPF-CBO and CBO algorithms with other contemporary techniques; provides the solution to real-world manufacturing problems of optimizing multi pass milling and turning processes using CI-SPF, CI-SAPF and CI-SAPF-CBO approaches.

Evolutionary Computation with Intelligent Systems - A Multidisciplinary Approach to Society 5.0 (Hardcover): R. S Chauhan,... Evolutionary Computation with Intelligent Systems - A Multidisciplinary Approach to Society 5.0 (Hardcover)
R. S Chauhan, Kavita Taneja, Rajiv Khanduja, Vishal Kamra, Rahul Rattan
R4,228 Discovery Miles 42 280 Ships in 10 - 15 working days

Offers fundamental theories and practical and more sophisticated applications of Evolutionary Computation in varied industries Provides insight into various platforms, paradigms, techniques, and tools used in Evolutionary Computation for diverse fields Presents an understanding related to optimization, performance tuning, virtualization, deployment models, and their applications Covers a variety of applications for social and essential models and is based on real life examples Useful for decision making based on optimized data through Evolutionary Computation in multi-dimensions

Information Technology Convergence, Secure and Trust Computing, and Data Management - ITCS 2012 & STA 2012 (Hardcover, 2012... Information Technology Convergence, Secure and Trust Computing, and Data Management - ITCS 2012 & STA 2012 (Hardcover, 2012 ed.)
Jong Hyuk (James) Park, Jongsung Kim, Deqing Zou, Yang Sun Lee
R4,048 Discovery Miles 40 480 Ships in 18 - 22 working days

The 4th FTRA International Conference on Information Technology Convergence and Services (ITCS-12) will be held in Gwangju, Korea on September 6 - 8, 2012.
The ITCS-12 will be the most comprehensive conference focused on the various aspects of advances in information technology convergence, applications, and services.
The ITCS-12 will provide an opportunity for academic and industry professionals to discuss the latest issues and progress in the area of ITCS. In addition, the conference will publish high quality papers which are closely related to the various theories, modeling, and practical applications in ITCS. Furthermore, we expect that the conference and its publications will be a trigger for further related research and technology improvements in this important subject.
The ITCS-12 is the next event in a series of highly successful International Conference on Information Technology Convergence and Services(ITCS-11), previously held in Gwangju, Korea on October, 2011.

Opportunistic Networks - Fundamentals, Applications and Emerging Trends (Hardcover): Anshul Verma, Pradeepika Verma, Sanjay... Opportunistic Networks - Fundamentals, Applications and Emerging Trends (Hardcover)
Anshul Verma, Pradeepika Verma, Sanjay Kumar Dhurandher, Isaac Woungang
R3,806 Discovery Miles 38 060 Ships in 10 - 15 working days

The opportunistic network is an emerging and recent area of research. To make this research area more adaptable for practical and industrial use, there is a need to further investigate several research challenges in all aspects of opportunistic networks. Therefore, Opportunistic Networks: Fundamentals, Applications and Emerging Trends provides theoretical, algorithmic, simulation, and implementation-based research developments related to fundamentals, applications, and emerging research trends in opportunistic networks. The book follows a theoretical approach to describe fundamentals to beginners and incorporates a practical approach depicting the implementation of real-life applications to intermediate and advanced readers. This book is beneficial for academicians, researchers, developers, and engineers who work in or are interested in the fields related to opportunistic networks, delay tolerant networks, and intermittently connected ad hoc networks. This book also serves as a reference book for graduate and postgraduate courses in computer science, computer engineering, and information technology streams.

Research Software Engineering with Python - Building software that makes research possible (Paperback): Damien Irving, Kate... Research Software Engineering with Python - Building software that makes research possible (Paperback)
Damien Irving, Kate Hertweck, Luke Johnston, Joel Ostblom, Charlotte Wickham, …
R1,767 Discovery Miles 17 670 Ships in 10 - 15 working days

Based on the practical experiences of its authors, who collectively have spent several decades teaching software skills to scientists. Readers only need a basic understanding of Python includes over a hundred exercises to allow readers to practice their skills

Applied Soft Computing - Techniques and Applications (Hardcover): Samarjeet Borah, Ranjit Panigrahi Applied Soft Computing - Techniques and Applications (Hardcover)
Samarjeet Borah, Ranjit Panigrahi
R3,820 Discovery Miles 38 200 Ships in 10 - 15 working days

It explores a variety of modern applications in soft computing, including bioinspired computing, reconfigurable computing, fuzzy logic, fusion-based learning, intelligent healthcare systems, bioinformatics, data mining, functional approximation, genetic and evolutionary algorithms, hybrid models, machine learning, meta heuristics, neuro fuzzy system, and optimization principles. The book acts as a reference book for AI developers, researchers, and academicians as it addresses the recent technological developments in the field of soft computing.

Machine Translation and Transliteration involving Related, Low-resource Languages (Hardcover): Anoop Kunchukuttan, Pushpak... Machine Translation and Transliteration involving Related, Low-resource Languages (Hardcover)
Anoop Kunchukuttan, Pushpak Bhattacharyya
R4,638 Discovery Miles 46 380 Ships in 10 - 15 working days

Machine Translation and Transliteration involving Related, Low-resource Languages discusses an important aspect of natural language processing that has received lesser attention: translation and transliteration involving related languages in a low-resource setting. This is a very relevant real-world scenario for people living in neighbouring states/provinces/countries who speak similar languages and need to communicate with each other, but training data to build supporting MT systems is limited. The book discusses different characteristics of related languages with rich examples and draws connections between two problems: translation for related languages and transliteration. It shows how linguistic similarities can be utilized to learn MT systems for related languages with limited data. It comprehensively discusses the use of subword-level models and multilinguality to utilize these linguistic similarities. The second part of the book explores methods for machine transliteration involving related languages based on multilingual and unsupervised approaches. Through extensive experiments over a wide variety of languages, the efficacy of these methods is established. Features Novel methods for machine translation and transliteration between related languages, supported with experiments on a wide variety of languages. An overview of past literature on machine translation for related languages. A case study about machine translation for related languages between 10 major languages from India, which is one of the most linguistically diverse country in the world. The book presents important concepts and methods for machine translation involving related languages. In general, it serves as a good reference to NLP for related languages. It is intended for students, researchers and professionals interested in Machine Translation, Translation Studies, Multilingual Computing Machine and Natural Language Processing. It can be used as reference reading for courses in NLP and machine translation. Anoop Kunchukuttan is a Senior Applied Researcher at Microsoft India. His research spans various areas on multilingual and low-resource NLP. Pushpak Bhattacharyya is a Professor at the Department of Computer Science, IIT Bombay. His research areas are Natural Language Processing, Machine Learning and AI (NLP-ML-AI). Prof. Bhattacharyya has published more than 350 research papers in various areas of NLP.

Design and Analysis of Cryptographic Algorithms in Blockchain (Hardcover): Ke Huang, Yi Mu, Fatemeh Rezaeibagha, Xiaosong Zhang Design and Analysis of Cryptographic Algorithms in Blockchain (Hardcover)
Ke Huang, Yi Mu, Fatemeh Rezaeibagha, Xiaosong Zhang
R2,608 Discovery Miles 26 080 Ships in 10 - 15 working days

This book seeks to generalize techniques and experiences in designing and analyzing cryptographic schemes for blockchain. It devotes three chapters to review the background and basic knowledge, four chapters to discuss specific types of cryptographic primitive design for blockchain, one chapter to discuss optimization tools and another chapter for blockchain regulation and economies. This book covers the systematic survey of research objects, as well as detailed reviews of cryptographic schemes, lectures and methodologies to practice cryptography. The main findings of this book are summarized as following, first, the practical design and analysis of cryptographic schemes for blockchain can address major problems in blockchain at algorithmic level. Then, some intrinsic deficiencies in some traditional cryptographic primitives, like centralized setup, impractical design, etc, prevent the successful application of these primitives in blockchain. However, huge efforts are being made to make these primitives practical and applicable for researchers. Finally, the formal and rigorous design and analysis of public key cryptographic algorithms is vital to blockchain. Design and Analysis of Cryptographic Algorithms in Blockchain is a useful textbook for graduate students and PhD students, or researches who wish to connect cryptography with blockchain for research and developing projects.

Design and Analysis of Cryptographic Algorithms in Blockchain (Paperback): Ke Huang, Yi Mu, Fatemeh Rezaeibagha, Xiaosong Zhang Design and Analysis of Cryptographic Algorithms in Blockchain (Paperback)
Ke Huang, Yi Mu, Fatemeh Rezaeibagha, Xiaosong Zhang
R1,475 Discovery Miles 14 750 Ships in 10 - 15 working days

This book seeks to generalize techniques and experiences in designing and analyzing cryptographic schemes for blockchain. It devotes three chapters to review the background and basic knowledge, four chapters to discuss specific types of cryptographic primitive design for blockchain, one chapter to discuss optimization tools and another chapter for blockchain regulation and economies. This book covers the systematic survey of research objects, as well as detailed reviews of cryptographic schemes, lectures and methodologies to practice cryptography. The main findings of this book are summarized as following, first, the practical design and analysis of cryptographic schemes for blockchain can address major problems in blockchain at algorithmic level. Then, some intrinsic deficiencies in some traditional cryptographic primitives, like centralized setup, impractical design, etc, prevent the successful application of these primitives in blockchain. However, huge efforts are being made to make these primitives practical and applicable for researchers. Finally, the formal and rigorous design and analysis of public key cryptographic algorithms is vital to blockchain. Design and Analysis of Cryptographic Algorithms in Blockchain is a useful textbook for graduate students and PhD students, or researches who wish to connect cryptography with blockchain for research and developing projects.

Swarm Intelligence Algorithms - Modifications and Applications (Paperback): Adam Slowik Swarm Intelligence Algorithms - Modifications and Applications (Paperback)
Adam Slowik
R1,525 Discovery Miles 15 250 Ships in 10 - 15 working days

Nature-based algorithms play an important role among artificial intelligence algorithms. Among them are global optimization algorithms called swarm intelligence algorithms. These algorithms that use the behavior of simple agents and various ways of cooperation between them, are used to solve specific problems that are defined by the so-called objective function. Swarm intelligence algorithms are inspired by the social behavior of various animal species, e.g. ant colonies, bird flocks, bee swarms, schools of fish, etc. The family of these algorithms is very large and additionally includes various types of modifications to enable swarm intelligence algorithms to solve problems dealing with areas other than those for which they were originally developed. This book presents 24 swarm algorithms together with their modifications and practical applications. Each chapter is devoted to one algorithm. It contains a short description along with a pseudo-code showing the various stages of its operation. In addition, each chapter contains a description of selected modifications of the algorithm and shows how it can be used to solve a selected practical problem. This book should also be useful for undergraduate and postgraduate students studying nature-based optimization algorithms, and can be a helpful tool for learning these algorithms, along with their modifications and practical applications. In addition, it can be a useful source of knowledge for scientists working in the field of artificial intelligence, as well as for engineers interested in using this type of algorithms in their work. If the reader wishes to expand his knowledge beyond the basics of swarm intelligence algorithms presented in this book and is interested in more detailed information, we recommend the book "Swarm Intelligence Algorithms: A Tutorial" (Edited by A. Slowik, CRC Press, 2020). It contains a detailed explanation of how each algorithm works, along with relevant program codes in Matlab and the C ++ programming language, as well as numerical examples illustrating step-by-step how individual algorithms work.

Algorithms as a Basis of Modern Applied Mathematics (Hardcover, 1st ed. 2021): Sarka Hoskova-Mayerova, Cristina Flaut, Fabrizio... Algorithms as a Basis of Modern Applied Mathematics (Hardcover, 1st ed. 2021)
Sarka Hoskova-Mayerova, Cristina Flaut, Fabrizio Maturo
R5,232 Discovery Miles 52 320 Ships in 18 - 22 working days

This book offers a self-contained guide to advanced algorithms and their applications in various fields of science. Gathering contributions by authoritative researchers in the field of mathematics, statistics and computer science, it aims at offering a comprehensive and up-to-date view of algorithms, including the theory behind them, as well as practical considerations, current limitations and solutions. It covers applications in energy management, decision making, computer networks, materials science, mechanics and process optimization. It offers an integrated and timely guide to important algorithms, and represents a valuable reference resource for graduate students and researchers in various fields of applied mathematics, statistics and engineering.

Machine Learning - A Constraint-Based Approach (Paperback, 2nd edition): Marco Gori, Alessandro Betti, Stefano Melacci Machine Learning - A Constraint-Based Approach (Paperback, 2nd edition)
Marco Gori, Alessandro Betti, Stefano Melacci
R2,179 Discovery Miles 21 790 Ships in 10 - 15 working days
Algorithmic Techniques for the Polymer Sciences (Paperback): Bradley S. Tice Algorithmic Techniques for the Polymer Sciences (Paperback)
Bradley S. Tice
R2,407 Discovery Miles 24 070 Ships in 18 - 22 working days

This new book-the first of its kind-examines the use of algorithmic techniques to compress random and non-random sequential strings found in chains of polymers. The book is an introduction to algorithmic complexity. Examples taken from current research in the polymer sciences are used for compression of like-natured properties as found on a chain of polymers. Both theory and applied aspects of algorithmic compression are reviewed. A description of the types of polymers and their uses is followed by a chapter on various types of compression systems that can be used to compress polymer chains into manageable units. The work is intended for graduate and postgraduate university students in the physical sciences and engineering.

Algorithms in Bioinformatics - Theory and Implementation (Hardcover): PA Gagniuc Algorithms in Bioinformatics - Theory and Implementation (Hardcover)
PA Gagniuc
R3,104 Discovery Miles 31 040 Ships in 10 - 15 working days

ALGORITHMS IN BIOINFORMATICS Explore a comprehensive and insightful treatment of the practical application of bioinformatic algorithms in a variety of fields Algorithms in Bioinformatics: Theory and Implementation delivers a fulsome treatment of some of the main algorithms used to explain biological functions and relationships. It introduces readers to the art of algorithms in a practical manner which is linked with biological theory and interpretation. The book covers many key areas of bioinformatics, including global and local sequence alignment, forced alignment, detection of motifs, Sequence logos, Markov chains or information entropy. Other novel approaches are also described, such as Self-Sequence alignment, Objective Digital Stains (ODSs) or Spectral Forecast and the Discrete Probability Detector (DPD) algorithm. The text incorporates graphical illustrations to highlight and emphasize the technical details of computational algorithms found within, to further the reader's understanding and retention of the material. Throughout, the book is written in an accessible and practical manner, showing how algorithms can be implemented and used in JavaScript on Internet Browsers. The author has included more than 120 open-source implementations of the material, as well as 33 ready-to-use presentations. The book contains original material that has been class-tested by the author and numerous cases are examined in a biological and medical context. Readers will also benefit from the inclusion of: A thorough introduction to biological evolution, including the emergence of life, classifications and some known theories and molecular mechanisms A detailed presentation of new methods, such as Self-sequence alignment, Objective Digital Stains and Spectral Forecast A treatment of sequence alignment, including local sequence alignment, global sequence alignment and forced sequence alignment with full implementations Discussions of position-specific weight matrices, including the count, weight, relative frequencies, and log-likelihoods matrices A detailed presentation of the methods related to Markov Chains as well as a description of their implementation in Bioinformatics and adjacent fields An examination of information and entropy, including sequence logos and explanations related to their meaning An exploration of the current state of bioinformatics, including what is known and what issues are usually avoided in the field A chapter on philosophical transactions that allows the reader a broader view of the prediction process Native computer implementations in the context of the field of Bioinformatics Extensive worked examples with detailed case studies that point out the meaning of different results Perfect for professionals and researchers in biology, medicine, engineering, and information technology, as well as upper level undergraduate students in these fields, Algorithms in Bioinformatics: Theory and Implementation will also earn a place in the libraries of software engineers who wish to understand how to implement bioinformatic algorithms in their products.

The Art of Algorithm Design (Hardcover): Sachi Nandan Mohanty, Pabitra Kumar Tripathy, Suneeta Satpathy The Art of Algorithm Design (Hardcover)
Sachi Nandan Mohanty, Pabitra Kumar Tripathy, Suneeta Satpathy
R4,244 Discovery Miles 42 440 Ships in 10 - 15 working days

Understand the introductory concepts and design principles of algorithms and their complexities. Demonstrate the programming implementations of all the algorithms using C-Language. Be an excellent handbook on algorithms with self-explanatory chapters enriched with problems and solutions.

High Performance Deformable Image Registration Algorithms for Manycore Processors (Paperback, New): James Shackleford,... High Performance Deformable Image Registration Algorithms for Manycore Processors (Paperback, New)
James Shackleford, Nagarajan Kandasamy, Gregory Sharp
R1,117 Discovery Miles 11 170 Ships in 10 - 15 working days

"High Performance Deformable Image Registration Algorithms for Manycore Processors" develops highly data-parallel image registration algorithms suitable for use on modern multi-core architectures, including graphics processing units (GPUs). Focusing on deformable registration, we show how to develop data-parallel versions of the registration algorithm suitable for execution on the GPU. Image registration is the process of aligning two or more images into a common coordinate frame and is a fundamental step to be able to compare or fuse data obtained from different sensor measurements. Extracting useful information from 2D/3D data is essential to realizing key technologies underlying our daily lives. Examples include autonomous vehicles and humanoid robots that can recognize and manipulate objects in cluttered environments using stereo vision and laser sensing and medical imaging to localize and diagnose tumors in internal organs using data captured by CT/MRI scans.

This book demonstrates:

How to redesign widely used image registration algorithms so as to best expose the underlying parallelism available in these algorithmsHow to pose and implement the parallel versions of the algorithms within the single instruction, multiple data (SIMD) model supported by GPUsProgramming "tricks" that can help readers develop other image processing algorithms, including registration algorithms for the GPU

Color Image Watermarking - Algorithms and Technologies (Hardcover): Qingtang Su Color Image Watermarking - Algorithms and Technologies (Hardcover)
Qingtang Su; Contributions by Tsinghua University Press
R3,634 Discovery Miles 36 340 Ships in 10 - 15 working days

This book presents watermarking algorithms derived from signal processing methods such as wavelet transform, matrix decomposition and cosine transform to address the limitations of current technologies. For each algorithm, mathematical foundations are explained with analysis conducted to evaluate performances on robotness and efficiency. Combining theories and practice, it is suitable for information security researchers and industrial engineers.

Soft Computing Techniques in Engineering, Health, Mathematical and Social Sciences (Hardcover): Pradip Debnath, S. A. Mohiuddine Soft Computing Techniques in Engineering, Health, Mathematical and Social Sciences (Hardcover)
Pradip Debnath, S. A. Mohiuddine
R3,377 Discovery Miles 33 770 Ships in 10 - 15 working days

Soft computing techniques are no longer limited to the arena of computer science. The discipline has an exponentially growing demand in other branches of science and engineering and even into health and social science. This book contains theory and applications of soft computing in engineering, health, and social and applied sciences. Different soft computing techniques such as artificial neural networks, fuzzy systems, evolutionary algorithms and hybrid systems are discussed. It also contains important chapters in machine learning and clustering. This book presents a survey of the existing knowledge and also the current state of art development through original new contributions from the researchers. This book may be used as a one-stop reference book for a broad range of readers worldwide interested in soft computing. In each chapter, the preliminaries have been presented first and then the advanced discussion takes place. Learners and researchers from a wide variety of backgrounds will find several useful tools and techniques to develop their soft computing skills. This book is meant for graduate students, faculty and researchers willing to expand their knowledge in any branch of soft computing. The readers of this book will require minimum prerequisites of undergraduate studies in computation and mathematics.

Nonlinear Dimensionality Reduction Techniques - A Data Structure Preservation Approach (Hardcover, 1st ed. 2022): Sylvain... Nonlinear Dimensionality Reduction Techniques - A Data Structure Preservation Approach (Hardcover, 1st ed. 2022)
Sylvain Lespinats, Benoit Colange, Denys Dutykh
R3,360 Discovery Miles 33 600 Ships in 18 - 22 working days

This book proposes tools for analysis of multidimensional and metric data, by establishing a state-of-the-art of the existing solutions and developing new ones. It mainly focuses on visual exploration of these data by a human analyst, relying on a 2D or 3D scatter plot display obtained through Dimensionality Reduction. Performing diagnosis of an energy system requires identifying relations between observed monitoring variables and the associated internal state of the system. Dimensionality reduction, which allows to represent visually a multidimensional dataset, constitutes a promising tool to help domain experts to analyse these relations. This book reviews existing techniques for visual data exploration and dimensionality reduction such as tSNE and Isomap, and proposes new solutions to challenges in that field. In particular, it presents the new unsupervised technique ASKI and the supervised methods ClassNeRV and ClassJSE. Moreover, MING, a new approach for local map quality evaluation is also introduced. These methods are then applied to the representation of expert-designed fault indicators for smart-buildings, I-V curves for photovoltaic systems and acoustic signals for Li-ion batteries.

Multidimensional Queueing Models in Telecommunication Networks (Hardcover, 2014 ed.): Agassi Melikov, Leonid Ponomarenko Multidimensional Queueing Models in Telecommunication Networks (Hardcover, 2014 ed.)
Agassi Melikov, Leonid Ponomarenko
R3,094 R1,847 Discovery Miles 18 470 Save R1,247 (40%) Ships in 10 - 15 working days

The increasing complexity of telecommunication networks requires us to develop adequate mathematical models. We must find their characteristics, optimize them subject to chosen criteria, and develop the corresponding control algorithms. Multidimensional queueing models are used to design and optimize modern and next-generation networks (NGN). The central problem of the related mathematical theory is to apply multidimensional and large-size queueing models to improve efficiency. In this book new methods are successively developed and applied to solve related problems. The book is recommended for researchers engaged with the mathematical theory of telecommunications traffic.

The GETMe Mesh Smoothing Framework - A Geometric Way to Quality Finite Element Meshes (Paperback): Dimitris Vartziotis, Joachim... The GETMe Mesh Smoothing Framework - A Geometric Way to Quality Finite Element Meshes (Paperback)
Dimitris Vartziotis, Joachim Wipper
R1,499 Discovery Miles 14 990 Ships in 10 - 15 working days

High quality meshes play a key role in many applications based on digital modeling and simulation. The finite element method is a paragon for such an approach and it is well known that quality meshes can significantly improve computational efficiency and solution accuracy of this method. Therefore, a lot of effort has been put in methods for improving mesh quality. These range from simple geometric approaches, like Laplacian smoothing, with a high computational efficiency but possible low resulting mesh quality, to global optimization-based methods, resulting in an excellent mesh quality at the cost of an increased computational and implementational complexity. The geometric element transformation method (GETMe) aims to fill the gap between these two approaches. It is based on geometric mesh element transformations, which iteratively transform polygonal and polyhedral elements into their regular counterparts or into elements with a prescribed shape. GETMe combines a Laplacian smoothing-like computational efficiency with a global optimization-like effectiveness. The method is straightforward to implement and its variants can also be used to improve tangled and anisotropic meshes. This book describes the mathematical theory of geometric element transformations as foundation for mesh smoothing. It gives a thorough introduction to GETMe-based mesh smoothing and its algorithms providing a framework to focus on effectively improving key mesh quality aspects. It addresses the improvement of planar, surface, volumetric, mixed, isotropic, and anisotropic meshes and addresses aspects of combining mesh smoothing with topological mesh modification. The advantages of GETMe-based mesh smoothing are demonstrated by the example of various numerical tests. These include smoothing of real world meshes from engineering applications as well as smoothing of synthetic meshes for demonstrating key aspects of GETMe-based mesh improvement. Results are compared with those of other smoothing methods in terms of runtime behavior, mesh quality, and resulting finite element solution efficiency and accuracy. Features: * Helps to improve finite element mesh quality by applying geometry-driven mesh smoothing approaches. * Supports the reader in understanding and implementing GETMe-based mesh smoothing. * Discusses aspects and properties of GETMe smoothing variants and thus provides guidance for choosing the appropriate mesh improvement algorithm. * Addresses smoothing of various mesh types: planar, surface, volumetric, isotropic, anisotropic, non-mixed, and mixed. * Provides and analyzes geometric element transformations for polygonal and polyhedral elements with regular and non-regular limits. * Includes a broad range of numerical examples and compares results with those of other smoothing methods.

Proceedings of International Scientific Conference on Telecommunications, Computing and Control - TELECCON 2019 (Hardcover, 1st... Proceedings of International Scientific Conference on Telecommunications, Computing and Control - TELECCON 2019 (Hardcover, 1st ed. 2021)
Nikita Voinov, Tobias Schreck, Sanowar Khan
R7,052 Discovery Miles 70 520 Ships in 18 - 22 working days

This book provides a platform for academics and practitioners for sharing innovative results, approaches, developments, and research projects in computer science and information technology, focusing on the latest challenges in advanced computing and solutions introducing mathematical and engineering approaches. The book presents discussions in the area of advances and challenges of modern computer science, including telecommunications and signal processing, machine learning and artificial intelligence, intelligent control systems, modeling and simulation, data science and big data, data visualization and graphics systems, distributed, cloud and high-performance computing, and software engineering. The papers included are presented at TELECCON 2019 organized by Peter the Great St. Petersburg University during November 18-19, 2019.

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