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Author: Juraj Hromkovič Publisher: Springer Science & Business Media ISBN: 3540008462 Category : Computers Languages : en Pages : 365
Book Description
Presents the background and context of all ideas, concepts, algorithms, analyses and arguments before discussing details. Accessible to both beginners as well as specialists.
Author: Juraj Hromkovič Publisher: Springer Science & Business Media ISBN: 3540008462 Category : Computers Languages : en Pages : 365
Book Description
Presents the background and context of all ideas, concepts, algorithms, analyses and arguments before discussing details. Accessible to both beginners as well as specialists.
Author: Juraj Hromkovič Publisher: Springer ISBN: 9783540800101 Category : Computers Languages : en Pages : 364
Book Description
Presents the background and context of all ideas, concepts, algorithms, analyses and arguments before discussing details. Accessible to both beginners as well as specialists.
Author: Juraj Hromkovič Publisher: ISBN: Category : Algorithms Languages : en Pages : 364
Book Description
Preface Due to the development of hardware technologies (such as VLSI) in the early 1980s, the interest in parallel and distributive computing has been rapidly growingandinthelate1980sthestudyofparallelalgorithmsandarchitectures became one of the main topics in computer science. To bring the topic to educatorsandstudents, severalbooksonparallelcomputingwerewritten. The involvedtextbook?IntroductiontoParallelAlgorithmsandArchitectures?by F. Thomson Leighton in 1992 was one of the milestones in the development of parallel architectures and parallel algorithms. But in the last decade or so the main interest in parallel and distributive computing moved from the design of parallel algorithms and expensive parallel computers to the new distributive reality - the world of interconnected computers that cooperate (often asynchronously) in order to solve di?erent tasks. Communication became one of the most frequently used terms of computer science because of the following reasons: (i) Considering the high performance of current computers, the communi- tion is often moretime consuming than the computing time of processors. As a result, the capacity of communication channels is the bottleneck in the execution of many distributive algorithms. (ii) Many tasks in the Internet are pure communication tasks. We do not want to compute anything, we only want to execute some information - change or to extract some information as soon as possible and as cheaply as possible. Also, we do not have a central database involving all basic knowledge. Instead, wehavea distributed memorywherethe basickno- edgeisdistributedamongthelocalmemoriesofalargenumberofdi?erent computers. The growing importance of solving pure communication tasks in the - terconnected world is the main motivation for writing this book.
Author: Yingjie Li Publisher: ISBN: Category : Computer networks Languages : en Pages : 173
Book Description
Abstract: Communication networks can be either infrastructure-based or infrastructure-less. Information dissemination and routing are two important research areas in networking, as the first is one of the ultimate goals forconstructing a network and the second provides the underlying support for disseminating information among nodes within the network. This dissertation presents three major research results, with the first falling into the category of information dissemination on the Internet, specifically, server replica placement, and the second and the third into the category of information dissemination and routing in wireless ad hoc networks, respectively. The World Wide Web is a popular mechanism that creates a client-server information sharing model to facilitate information dissemination across the Internet. With the explosive growth of the WWW, popular Web sites experience increasingly heavy workloads and a large percentage of Internet traffic. To alleviate the workload and the network traffic, these sites usually place a set of servers geographically distributed across the Internet and replicate their contents to the selected replicas. The server replica placement scheme addresses the problem of properly placing a set of replicas among sets of candidate sites to optimize system performance gain. More specifically, using an optimum replica placement algorithm, we study the relationship between the replica size and the optimized performance gain through a trace-driven simulation. We also perform a parametric study to find out the effect of client demand patterns on the optimized performance gain growth. The field of wireless ad hoc networks has become a prosperous research field in recent years thanks to the rapid development and popularity of various mobile devices. The lack of infrastructure allows a fast and inexpensive deployment of wireless ad hoc networks and, thus, makes them suitable for surveillance applications. However, the ad hoc networks' flexibility and convenience do come at a price. The infamous characteristics of these networks, such as unstable wireless media, dynamic network topology due to link disruptions and node mobility, and power constrained wireless devices, require protocols designed for these networks to be fully distributed, energy efficient, fault (disruption) tolerant, and scalable. Following these design rules, we propose Scalable Data Storage and Retrieval Service (SDSR), to enhance data dissemination for large-scale wireless ad hoc networks, and Disruption Tolerant Geographic Routing protocol (DTGR) to enhance the performance of geographic routing schemes in the presence of frequently occurring disruptions for wireless ad hoc networks.
Author: National Academies of Sciences, Engineering, and Medicine Publisher: National Academies Press ISBN: 0309675383 Category : Medical Languages : en Pages : 349
Book Description
Recommendations for feeding infants and young children have changed substantially over time owing to scientific advances, cultural influences, societal trends, and other factors. At the same time, stronger approaches to reviewing and synthesizing scientific evidence have evolved, such that there are now established protocols for developing evidence-based health recommendations. However, not all authoritative bodies have used such approaches for developing infant feeding guidance, and for many feeding questions there is little or no sound evidence available to guide best practices, despite the fact that research on infant and young child feeding has expanded in recent decades. Summarizing the current landscape of feeding recommendations for infants and young children can reveal the level of consistency of existing guidance, shed light on the types of evidence that underpin each recommendation, and provide insight into the feasibility of harmonizing guidelines. Feeding Infants and Children from Birth to 24 Months collects, compares, and summarizes existing recommendations on what and how to feed infants and young children from birth to 24 months of age. This report makes recommendations to stakeholders on strategies for communicating and disseminating feeding recommendations.
Author: Amitabha Chatterjee Publisher: Chandos Publishing ISBN: 0081020260 Category : Business & Economics Languages : en Pages : 610
Book Description
Elements of Information Organization and Dissemination provides Information on how to organize and disseminate library and information science (LIS), a subject that is taught in many international Library Information Science university programs. While there are many books covering different areas of the subject separately, this book covers the entire subject area and incorporates the latest developments. Presets an overview of the entire subject, covering all relevant areas of library and information science Contains bulletpoints that highlight key features in each chapter Written in an accessible language, this book is aimed at a wide audience of LIS academics
Author: Katrin Vohland Publisher: Springer Nature ISBN: 3030582787 Category : Communication Languages : en Pages : 520
Book Description
This open access book discusses how the involvement of citizens into scientific endeavors is expected to contribute to solve the big challenges of our time, such as climate change and the loss of biodiversity, growing inequalities within and between societies, and the sustainability turn. The field of citizen science has been growing in recent decades. Many different stakeholders from scientists to citizens and from policy makers to environmental organisations have been involved in its practice. In addition, many scientists also study citizen science as a research approach and as a way for science and society to interact and collaborate. This book provides a representation of the practices as well as scientific and societal outcomes in different disciplines. It reflects the contribution of citizen science to societal development, education, or innovation and provides and overview of the field of actors as well as on tools and guidelines. It serves as an introduction for anyone who wants to get involved in and learn more about the science of citizen science.
Author: Wolfgang Thomas Publisher: Springer ISBN: 3540709185 Category : Computers Languages : en Pages : 723
Book Description
This book constitutes the refereed proceedings of the 24th Annual Symposium on Theoretical Aspects of Computer Science, STACS 2007, held in Aachen, Germany in February 2007. The 56 revised full papers presented together with 3 invited papers address the whole range of theoretical computer science as well as current challenges like biological computing, quantum computing, and mobile and net computing.
Author: Juraj Hromkovič
Author: Juraj Hromkovič
Author: Juraj Hromkovič
Author: Juraj Hromkovič
Author: Yingjie Li
Author: National Academies of Sciences, Engineering, and Medicine
Author: Amitabha Chatterjee
Author: Katrin Vohland
Author: Thomas John Allen
Author: Kerm Henriksen
Author: Wolfgang Thomas