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  • American Chemical Society  (1,374)
  • PANGAEA  (1,363)
  • Springer  (1,092)
  • Springer Nature  (585)
  • National Academy of Sciences  (73)
  • 2020-2024  (1,550)
  • 1935-1939  (2,934)
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  • 1
    Publication Date: 2021-07-01
    Description: The results of a search for gluino and squark pair production with the pairs decaying via the lightest charginos into a final state consisting of two W bosons, the lightest neutralinos ($$ilde{chi }^0_1$$ χ ~ 1 0 ), and quarks, are presented: the signal is characterised by the presence of a single charged lepton ($$e^{pm }$$ e ± or $$mu ^{pm }$$ μ ± ) from a W boson decay, jets, and missing transverse momentum. The analysis is performed using 139 fb$$^{-1}$$ - 1 of proton–proton collision data taken at a centre-of-mass energy $$sqrt{s}=13$$ s = 13   delivered by the Large Hadron Collider and recorded by the ATLAS experiment. No statistically significant excess of events above the Standard Model expectation is found. Limits are set on the direct production of squarks and gluinos in simplified models. Masses of gluino (squark) up to 2.2  (1.4 ) are excluded at 95% confidence level for a light $$ilde{chi }^0_1$$ χ ~ 1 0 .
    Print ISSN: 1434-6044
    Electronic ISSN: 1434-6052
    Topics: Physics
    Published by Springer
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  • 2
  • 3
  • 4
    Publication Date: 2021-10-01
    Description: We report the results of a search for a new vector boson ($$ A'$$ A ′ ) decaying into two dark matter particles $$chi _1 chi _2$$ χ 1 χ 2 of different mass. The heavier $$chi _2$$ χ 2 particle subsequently decays to $$chi _1$$ χ 1 and an off-shell Dark Photon $$ A'^* ightarrow e^+e^-$$ A ′ ∗ → e + e - . For a sufficiently large mass splitting, this model can explain in terms of new physics the recently confirmed discrepancy observed in the muon anomalous magnetic moment at Fermilab. Remarkably, it also predicts the observed yield of thermal dark matter relic abundance. A detailed Monte-Carlo simulation was used to determine the signal yield and detection efficiency for this channel in the NA64 setup. The results were obtained re-analyzing the previous NA64 searches for an invisible decay $$A' ightarrow chi overline{chi }$$ A ′ → χ χ ¯ and axion-like or pseudo-scalar particles $$a ightarrow gamma gamma $$ a → γ γ . With this method, we exclude a significant portion of the parameter space justifying the muon g-2 anomaly and being compatible with the observed dark matter relic density for $$A'$$ A ′ masses from 2$$m_e$$ m e up to 390 MeV and mixing parameter $$varepsilon $$ ε between $$3imes 10^{-5}$$ 3 × 10 - 5 and $$2imes 10^{-2}$$ 2 × 10 - 2 .
    Print ISSN: 1434-6044
    Electronic ISSN: 1434-6052
    Topics: Physics
    Published by Springer
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  • 5
    Publication Date: 2021-02-10
    Description: This is a chapter from The Criminal Act: The Role and Influence of Routine Activity Theory edited by Martin A. Andresen and Graham Farrell. This chapter is available open access under a CC BY license. Target suitability is a cornerstone of Marcus Felson's routine activities approach, and critical in determining crime rates. Recent research identifies reduced target suitability, via improved security, as central to the 'crime drop' experienced in many countries. Studies in different countries show car theft fell with far more and better vehicle security. Yet increases in household security were more modest and do not track burglary's decrease as well. In this chapter, the authors explain that apparent anomaly as due more to an improvement in the quality of household security leading to reduced burglary. It is further suggested that improvements to home insulation in the UK that brought double glazing may have, somewhat inadvertently, introduced better frames and locks for doors and windows, that in turn reduced household burglary.; This is a chapter from The Criminal Act: The Role and Influence of Routine Activity Theory edited by Martin A. Andresen and Graham Farrell. This chapter is available open access under a CC BY license. Target suitability is a cornerstone of Marcus Felson's routine activities approach, and critical in determining crime rates. Recent research identifies reduced target suitability, via improved security, as central to the 'crime drop' experienced in many countries. Studies in different countries show car theft fell with far more and better vehicle security. Yet increases in household security were more modest and do not track burglary's decrease as well. In this chapter, the authors explain that apparent anomaly as due more to an improvement in the quality of household security leading to reduced burglary. It is further suggested that improvements to home insulation in the UK that brought double glazing may have, somewhat inadvertently, introduced better frames and locks for doors and windows, that in turn reduced household burglary.
    Keywords: Criminology ; Public safety ; bic Book Industry Communication::J Society & social sciences::JK Social services & welfare, criminology::JKV Crime & criminology
    Language: English
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  • 6
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    Springer Nature | Springer International Publishing
    Publication Date: 2022-11-19
    Description: This open access book demonstrates all the steps required to design heuristic algorithms for difficult optimization. The classic problem of the travelling salesman is used as a common thread to illustrate all the techniques discussed. This problem is ideal for introducing readers to the subject because it is very intuitive and its solutions can be graphically represented. The book features a wealth of illustrations that allow the concepts to be understood at a glance. The book approaches the main metaheuristics from a new angle, deconstructing them into a few key concepts presented in separate chapters: construction, improvement, decomposition, randomization and learning methods. Each metaheuristic can then be presented in simplified form as a combination of these concepts. This approach avoids giving the impression that metaheuristics is a non-formal discipline, a kind of cloud sculpture. Moreover, it provides concrete applications of the travelling salesman problem, which illustrate in just a few lines of code how to design a new heuristic and remove all ambiguities left by a general framework. Two chapters reviewing the basics of combinatorial optimization and complexity theory make the book self-contained. As such, even readers with a very limited background in the field will be able to follow all the content.
    Keywords: Algorithms ; Heuristics ; Travelling Salesman ; Local Search ; Metaheuristics ; Combinatorial Optimization ; Artificial Intelligence ; bic Book Industry Communication::K Economics, finance, business & management::KJ Business & management::KJT Operational research ; bic Book Industry Communication::P Mathematics & science::PB Mathematics::PBU Optimization ; bic Book Industry Communication::P Mathematics & science::PB Mathematics::PBK Calculus & mathematical analysis::PBKS Numerical analysis ; bic Book Industry Communication::P Mathematics & science::PD Science: general issues::PDE Maths for scientists ; bic Book Industry Communication::U Computing & information technology::UY Computer science::UYQ Artificial intelligence
    Language: English
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  • 7
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    Springer Nature | Springer
    Publication Date: 2024-04-14
    Description: This 'Open Access' SpringerBrief provides foundational knowledge for designing autonomous, asynchronous systems and explains aspects of users relevant to designing for these systems, introduces principles for user-centered design, and prepares readers for more advanced and specific readings. It provides context and the implications for design choices made during the design and development of the complex systems that are part of operation centers. As such, each chapter includes principles to summarize the design implication that engineers can use to inform their own design of interfaces for operation centers and similar systems. It includes example materials for the design of a fictitious system, which are referenced in the book and can be duplicated and extended for real systems. The design materials include a system overview, the system architecture, an example scenario, a stakeholder analysis, a task analysis, a description of the system and interface technology, and contextualized design guidelines. The guidelines can be specified because the user, the task, and the technology are well specified as an example. Building Better Interfaces for Remote Autonomous Systems is for working system engineers who are designing interfaces used in high throughput, high stake, operation centers (op centers) or control rooms, such as network operation centers (NOCs). Intended users will have a technical undergraduate degree (e.g., computer science) with little or no training in design, human sciences, or with human-centered iterative design methods and practices. Background research for the book was supplemented by interaction with the intended audience through a related project with L3Harris Technologies (formerly Harris Corporation).
    Keywords: User Interfaces and Human Computer Interaction ; Software Engineering ; Autonomous Systems ; User-Centered Design ; Operation Centres ; Interface Technology ; Human-Centered Design ; Open Access ; User interface design & usability ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYZ Human–computer interaction::UYZG User interface design and usability ; thema EDItEUR::U Computing and Information Technology::UM Computer programming / software engineering::UMZ Software Engineering
    Language: English
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  • 8
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    Springer Nature | Springer
    Publication Date: 2021-02-10
    Description: This open access book explores machine learning and its impact on how we make sense of the world. It does so by bringing together two ‘revolutions’ in a surprising analogy: the revolution of machine learning, which has placed computing on the path to artificial intelligence, and the revolution in thinking about the law that was spurred by Oliver Wendell Holmes Jr in the last two decades of the 19th century. Holmes reconceived law as prophecy based on experience, prefiguring the buzzwords of the machine learning age—prediction based on datasets. On the path to AI introduces readers to the key concepts of machine learning, discusses the potential applications and limitations of predictions generated by machines using data, and informs current debates amongst scholars, lawyers and policy makers on how it should be used and regulated wisely. Technologists will also find useful lessons learned from the last 120 years of legal grappling with accountability, explainability, and biased data.
    Keywords: Science and Technology Studies ; Human Geography ; IT Law, Media Law, Intellectual Property ; Artificial Intelligence ; AI ; Machine learning ; artificial intelligence ; 'big data' ; probability theory ; history of ideas ; legal interpretation ; Transhumanism ; Futurism ; Oliver Wendell Holmes Jr ; Wendell Holmes Jr. ; legal philosophy ; machine bias ; algorithmic bias ; Open Access ; Sociology ; Human geography ; Entertainment & media law ; Artificial intelligence ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RG Geography::RGC Human geography ; bic Book Industry Communication::L Law::LN Laws of Specific jurisdictions::LNJ Entertainment & media law ; bic Book Industry Communication::U Computing & information technology::UY Computer science::UYQ Artificial intelligence
    Language: English
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  • 9
    Publication Date: 2023-12-20
    Description: This open access book was prepared as a Final Publication of the COST Action IC1304 “Autonomous Control for a Reliable Internet of Services (ACROSS)”. The book contains 14 chapters and constitutes a show-case of the main outcome of the Action in line with its scientific goals. It will serve as a valuable reference for undergraduate and post-graduate students, educators, faculty members, researchers, engineers, and research strategists working in this field. The explosive growth of the Internet has fundamentally changed the global society. The emergence of concepts like SOA, SaaS, PaaS, IaaS, NaaS, and Cloud Computing in general has catalyzed the migration from the information-oriented Internet into an Internet of Services (IoS). This has opened up virtually unbounded possibilities for the creation of new and innovative services that facilitate business processes and improve the quality of life. However, this also calls for new approaches to ensuring the quality and reliability of these services. The objective of this book is, by applying a systematic approach, to assess the state-of-the-art and consolidate the main research results achieved in this area.
    Keywords: QA75.5-76.95 ; Human-Computer Interactopm (HCI) ; Internet of Services (IoS) ; Internet of Things (IoT) ; data communication systems ; quality of service (QoS) ; computer networks ; multimedia systems ; user interfaces ; quality of experience (QoE) ; telecommunication networks ; computer systems ; information theory ; cloud computing ; communication channels ; internet ; telecommunication traffic ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 10
    Publication Date: 2024-04-14
    Description: This open access book is the result of an expert panel convened by the Cornell Atkinson Center for Sustainability and Nature Sustainability. The panel tackled the seventeen UN Sustainable Development Goals (SDGs) for 2030 head-on, with respect to the global systems that produce and distribute food. The panel’s rigorous synthesis and analysis of existing research leads compellingly to multiple actionable recommendations that, if adopted, would simultaneously lead to healthy and nutritious diets, equitable and inclusive value chains, resilience to shocks and stressors, and climate and environmental sustainability.
    Keywords: Socio-technical innovation ; Agri-food systems ; Land and water footprint of food ; Climate crisis ; Human agency ; Heterogeneity ; Spillover effects ; Natural environment ; Public health ; Social justice ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVB Agricultural science ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCV Economics of specific sectors::KCVG Environmental economics ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNU Sustainability
    Language: English
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