242 research outputs found

    Emerging Technologies for the Energy Systems of the Future

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    Emerging Technologies for the Energy Systems of the Future

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    Energy systems are transiting from conventional energy systems to modernized and smart energy systems. This Special Issue covers new advances in the emerging technologies for modern energy systems from both technical and management perspectives. In modern energy systems, an integrated and systematic view of different energy systems, from local energy systems and islands to national and multi-national energy hubs, is important. From the customer perspective, a modern energy system is required to have more intelligent appliances and smart customer services. In addition, customers require the provision of more useful information and control options. Another challenge for the energy systems of the future is the increased penetration of renewable energy sources. Hence, new operation and planning tools are required for hosting renewable energy sources as much as possible

    Android Application Security Scanning Process

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    This chapter presents the security scanning process for Android applications. The aim is to guide researchers and developers to the core phases/steps required to analyze Android applications, check their trustworthiness, and protect Android users and their devices from being victims to different malware attacks. The scanning process is comprehensive, explaining the main phases and how they are conducted including (a) the download of the apps themselves; (b) Android application package (APK) reverse engineering; (c) app feature extraction, considering both static and dynamic analysis; (d) dataset creation and/or utilization; and (e) data analysis and data mining that result in producing detection systems, classification systems, and ranking systems. Furthermore, this chapter highlights the app features, evaluation metrics, mechanisms and tools, and datasets that are frequently used during the app’s security scanning process

    New Perspectives in Interdisciplinary Cultural Heritage Studies: Contributions of the European Students’ Association for Cultural Heritage in the European Year of Cultural Heritage 2018

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    Inspired by the announcement of a European Year of Cultural Heritage, the European Students’ Association for Cultural Heritage (ESACH) was established in 2017 by students at the University of Passau. Today, ESACH has become the first still-growing interdis-ciplinary and cross-generational network in the field. ESACH cur-rently brings together young researchers in the field of culture and heritage from all kinds of academic disciplines and is made up of members from various European universities and research centres, such as the UNESCO Chair on Cultural Property Law at the University of Opole (Poland) thanks to Dr. Alicja Jagielska-Burduk. ESACH’s main goal is to highlight the perspective of the younger generations with regard to cultural issues of European and national importance. Where various cultural institutions already show interest in collaborating with younger generations, we aim to establish a mutual exchange and active involvement as future decision makers. Within the network, the main questions are: How do we engage with the past elements of our culture(s)? How and why do we protect culture as a genuine element of a contemporary cultural system? What do younger generations state as heritage and what ways do they see to safeguard and experience it? ESACH stands up for a participatory way of involvement and is eager to take part in the cultural discourse at European and national levels. Until now ESACH members have been given the opportunity to contribute their ideas in several European events organized by the respective stakeholders. In June 2018, the ESACH Message as part of the “Student Summit” was presented during the high-level policy debate on the occasion of the Berlin European Cultural Heritage Summit. Present, amongst others, were Monika Grütters, Minister of State and Federal Government Commissioner for Culture and the Media (Germany) and Tibor Navracsics, European Commissioner for Education, Culture, Youth and Sport (Hungary). In November 2018, ESACH has been actively involved in the annual meetings of the German Cultural Heritage Committee and the Swedish National Heritage Board in Strasbourg and Stockholm. This book brings together fifteen articles by twenty-two authors from Portugal, Germany, Spain, Greece, Brazil, USA, Romania and Turkey. This sharing of knowledge, culture and heritage studies through various disciplines shows the richness – and new perspectives – generated by the common passion for cultural heritage. The new perspectives and the sharing feeling are also present in both images on the cover. The "view of Lisbon" (Portugal) was drawn in the sixteenth century; it shows a disappeared Lisbon through the eyes and the colours of a German engraver. In the “Azulejo (tile) wainscot” we have the perfect example of foreign influences in the artistic creation of a Portuguese painter. These reinterpreted decorative patterns were affirmed over centuries as a feature of Portuguese identity. In the words of the “Berlin Call to Action”, we fervently hope that “The 2018 European Year of Cultural Heritage marks a turning point for Europe’s ever-growing movement for cultural heritage. We must build on this momentum to recognize and unfold the positive and cohesive power of our shared cultural heritage and values to connect Europe’s citizens and communities and to give a deeper meaning to the entire European project. The time for action is now.”info:eu-repo/semantics/publishedVersio

    Bayesian & AI driven Embedded Perception and Decision-making. Application to Autonomous Navigation in Complex, Dynamic, Uncertain and Human-populated Environments.Synoptic of Research Activity, Period 2004-20 and beyond

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    Robust perception & Decision-making for safe navigation in open and dynamic environments populated by human beings is an open and challenging scientific problem. Traditional approaches do not provide adequate solutions for these problems, mainly because these environments are partially unknown, open and subject to strong constraints to be satisfied (in particular high dynamicity and uncertainty). This means that the proposed solutions have to take simultaneously into account characteristics such as real-time processing, temporary occultation or false detections, dynamic changes in the scene, prediction of the future dynamic behaviors of the surrounding moving entities, continuous assessment of the collision risk, or decision-making for safe navigation. This research report presents how we have addressed this problem over the two last decades, as well as an outline of our Bayesian & IA approach for solving the Embedded Perception and Decision-making problems

    Spam Reviews Detection in the Time of COVID-19 Pandemic: Background, Definitions, Methods and Literature Analysis

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    This work has been partially funded by projects PID2020-113462RB-I00 (ANIMALICOS), granted by Ministerio Espanol de Economia y Competitividad; projects P18-RT-4830 and A-TIC-608-UGR20 granted by Junta de Andalucia, and project B-TIC-402-UGR18 (FEDER and Junta de Andalucia).During the recent COVID-19 pandemic, people were forced to stay at home to protect their own and others’ lives. As a result, remote technology is being considered more in all aspects of life. One important example of this is online reviews, where the number of reviews increased promptly in the last two years according to Statista and Rize reports. People started to depend more on these reviews as a result of the mandatory physical distance employed in all countries. With no one speaking to about products and services feedback. Reading and posting online reviews becomes an important part of discussion and decision-making, especially for individuals and organizations. However, the growth of online reviews usage also provoked an increase in spam reviews. Spam reviews can be identified as fraud, malicious and fake reviews written for the purpose of profit or publicity. A number of spam detection methods have been proposed to solve this problem. As part of this study, we outline the concepts and detection methods of spam reviews, along with their implications in the environment of online reviews. The study addresses all the spam reviews detection studies for the years 2020 and 2021. In other words, we analyze and examine all works presented during the COVID-19 situation. Then, highlight the differences between the works before and after the pandemic in terms of reviews behavior and research findings. Furthermore, nine different detection approaches have been classified in order to investigate their specific advantages, limitations, and ways to improve their performance. Additionally, a literature analysis, discussion, and future directions were also presented.Spanish Government PID2020-113462RB-I00Junta de Andalucia P18-RT-4830 A-TIC-608-UGR20 B-TIC-402-UGR18European Commission B-TIC-402-UGR1

    Emerging technologies for the energy systems of the future

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    The way the world gets its energy is undergoing a rapid transition, driven by both the increased urgency of decarbonizing energy systems and the plummeting costs of renewable energy technologies. The road to the future will not be easy, and indeed, new technologies, markets, architectures, infrastructures, actors, and business models should be developed, and major changes will be required in the regulation of the energy systems to further support new business models and new consumption patterns. Such a transition requires rethinking every single aspect of energy systems, starting from the way energy is produced and harvested to the way that we dispatch and use it. In this area, it is also imperative to understand how to control and manage existing and emerging technologies to enhance the energy economy and efficiency by active participation in different services required by energy networks

    Recent Development of Hybrid Renewable Energy Systems

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    Abstract: The use of renewable energies continues to increase. However, the energy obtained from renewable resources is variable over time. The amount of energy produced from the renewable energy sources (RES) over time depends on the meteorological conditions of the region chosen, the season, the relief, etc. So, variable power and nonguaranteed energy produced by renewable sources implies intermittence of the grid. The key lies in supply sources integrated to a hybrid system (HS)
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