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  • 1
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    Springer Nature | Springer Nature Switzerland
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book constitutes the refereed proceedings of the 20th International Conference on Digital Health Transformation and Smart Ageing, ICOST 2023, held in Wonju, South Korea, during July 7–8, 2023. The 18 full papers and 16 short papers included in this book were carefully reviewed and selected from 41 submissions. They were organized in topical sections as follows: IoT and AI Solutions for E-health, Biomedical and Health Informatics, Wellbeing Technologies, Short Contributions: Medical Systems and E-health Solutions and Short Contributions: Wellbeing Technologies.
    Schlagwort(e): architechture types ; Information systems ; Security and privacy ; Human-centered computing ; Applied computing ; Emerging technologies ; Network protocols ; Network algorithms ; Data management systems ; Information storage systems ; Information retrieval ; Information systems applications ; system security ; Network security ; Software and application security ; Data base and storage security ; Human computer interaction ; Ubiquitous and mobile computing ; Life and medical sciences ; thema EDItEUR::U Computing and Information Technology::UK Computer hardware::UKN Network hardware ; thema EDItEUR::U Computing and Information Technology::UM Computer programming / software engineering::UMZ Software Engineering ; thema EDItEUR::U Computing and Information Technology::UB Information technology: general topics ; 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::UY Computer science::UYQ Artificial intelligence::UYQV Computer vision ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYD Systems analysis and design
    Sprache: Englisch
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  • 2
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    Springer Nature | Springer
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book covers the use of data science, including advanced machine learning, big data analytics, Semantic Web technologies, natural language processing, social media analysis, time series analysis, among others, for applications in economics and finance. In addition, it shows some successful applications of advanced data science solutions used to extract new knowledge from data in order to improve economic forecasting models. The book starts with an introduction on the use of data science technologies in economics and finance and is followed by thirteen chapters showing success stories of the application of specific data science methodologies, touching on particular topics related to novel big data sources and technologies for economic analysis (e.g. social media and news); big data models leveraging on supervised/unsupervised (deep) machine learning; natural language processing to build economic and financial indicators; and forecasting and nowcasting of economic variables through time series analysis. This book is relevant to all stakeholders involved in digital and data-intensive research in economics and finance, helping them to understand the main opportunities and challenges, become familiar with the latest methodological findings, and learn how to use and evaluate the performances of novel tools and frameworks. It primarily targets data scientists and business analysts exploiting data science technologies, and it will also be a useful resource to research students in disciplines and courses related to these topics. Overall, readers will learn modern and effective data science solutions to create tangible innovations for economic and financial applications.
    Schlagwort(e): Data Mining and Knowledge Discovery ; Machine Learning ; Business Information Systems ; Big Data/Analytics ; Computer Appl. in Administrative Data Processing ; Information Storage and Retrieval ; IT in Business ; Computer and Information Systems Applications ; Open Access ; Data Mining ; Big Data ; Data Analytics ; Decision Support Systems ; Semantics and Reasoning ; Expert systems / knowledge-based systems ; Business mathematics & systems ; Public administration ; Information technology: general issues ; Information retrieval ; Data warehousing ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNF Data mining ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYQ Artificial intelligence::UYQM Machine learning ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJQ Business mathematics and systems ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPP Public administration ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval
    Sprache: Englisch
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  • 3
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    Springer Nature | Springer
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book details the relationship between the artist and their created works, using tools such as information technology, computer environments, and interactive devices, for a range of information sources and application domains. This has produced new kinds of created works which can be viewed, explored, and interacted with, either as an installation or via a virtual environment such as the Internet. These processes generate new dimensions of understanding and experience for both the artist and the public’s relationships with the works that are produced. This has raised a variety of interdisciplinary opportunities and issues, and these are examined. The symbiotic relationship between artistic works and the cultural context in which they are produced is reviewed. Technology can provide continuity by making traditional methods and techniques more efficient and effective. It can also provide discontinuity by opening up new perspectives and paradigms. This can generate new ideas, and produce a greater understanding of artistic processes and how they are implemented in practice. Tools have been used from the earliest times to create and modify artistic works. For example, naturally occurring pigments have been used for cave paintings. What has been created provides insight into the cultural context and social environment at the time of creation. There is an interplay between the goal of the creator, the selection and use of appropriate tools, and the materials and representations chosen. Technology, Design and the Arts - Opportunities and Challenges is relevant for artists and technologists and those engaged in interdisciplinary research and development at the boundaries between these disciplines.
    Schlagwort(e): User Interfaces and Human Computer Interaction ; Computer Appl. in Arts and Humanities ; Media Design ; Information Systems Applications (incl. Internet) ; Computer and Information Systems Applications ; Information Systems Applications (incl.Internet) ; Interactive Arts ; Digital Art ; Creativity and Virtual Reality ; Technology, Design and the Arts ; Open Access ; Collaborative Art and Design ; User interface design & usability ; Computer applications in the arts & humanities ; Graphical & digital media applications ; Information retrieval ; Internet searching ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYZ Human–computer interaction::UYZG User interface design and usability ; thema EDItEUR::N History and Archaeology::NH History ; thema EDItEUR::U Computing and Information Technology::UG Graphical and digital media applications ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval
    Sprache: Englisch
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  • 4
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    Springer Nature | Springer
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book constitutes the thoroughly refereed post-conference proceedings of the 6th International Workshop on Graph Structures for Knowledge Representation and Reasoning, GKR 2020, held virtually in September 2020, associated with ECAI 2020, the 24th European Conference on Artificial Intelligence. The 7 revised full papers presented together with 2 invited contributions were reviewed and selected from 9 submissions. The contributions address various issues for knowledge representation and reasoning and the common graph-theoretic background, which allows to bridge the gap between the different communities.
    Schlagwort(e): Artificial Intelligence ; Information Systems Applications (incl. Internet) ; Computer Communication Networks ; Mathematical Logic and Formal Languages ; Computer and Information Systems Applications ; Formal Languages and Automata Theory ; open access ; concept lattices ; data mining ; databases ; fca ; formal concept analysis ; formal languages ; formal logic ; information analysis ; information systems ; knowledge-based system ; model-based reasoning ; network protocols ; ontologies ; Information retrieval ; Internet searching ; Network hardware ; Mathematical theory of computation ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYQ Artificial intelligence ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval ; thema EDItEUR::U Computing and Information Technology::UK Computer hardware::UKN Network hardware ; thema EDItEUR::U Computing and Information Technology::UY Computer science
    Sprache: Englisch
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  • 5
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    Springer Nature | Springer
    Publikationsdatum: 2024-03-29
    Beschreibung: This open access book presents an overview and step-by-step explanation of process management. It starts with the individual participants’ perspectives on their work in a process and its structuring and harmonization, and then moves on to its specification in a model and how it is embedded in the organizational and IT environment of the company. Lastly, the book examines the joint processing of instances in the resulting socio-technical systems. A corresponding illustration, which expands with the overview, enables readers to gain a comprehensive understanding of business process management. The book presents various facets of business process management from the perspective of the participants, and introduces a selection of models that have proved useful in practice. The design of such models supports the transition from a more-or-less unstructured or unsatisfactory way of working to a structured process that corresponds to the ideas of the company and its customers. The book is intended for professionals in industry as well as students in the field of business information systems who are looking for guidelines on how to discover, create and implement real-world processes.
    Schlagwort(e): Computer Appl. in Administrative Data Processing ; Business Process Management ; Organization ; Information Systems Applications (incl. Internet) ; Business Information Systems ; Open Access ; S-BPM ; Design Thinking ; Workflow Management ; Public administration ; Information technology: general issues ; Business mathematics & systems ; Organizational theory & behaviour ; Information retrieval ; Internet searching ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPP Public administration ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJQ Business mathematics and systems ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJU Organizational theory and behaviour ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval
    Sprache: Englisch
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  • 6
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    Springer Nature | Springer
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book constitutes the refereed proceedings of the 18th International Conference on String Processing and Information Retrieval, ICOST 2020, held in Hammamet, Tunisia, in June 2020.* The 17 full papers and 23 short papers presented in this volume were carefully reviewed and selected from 49 submissions. They cover topics such as: IoT and AI solutions for e-health; biomedical and health informatics; behavior and activity monitoring; behavior and activity monitoring; and wellbeing technology. *This conference was held virtually due to the COVID-19 pandemic.
    Schlagwort(e): Computer Communication Networks ; Artificial Intelligence ; Information Systems Applications (incl. Internet) ; Special Purpose and Application-Based Systems ; Computer System Implementation ; User Interfaces and Human Computer Interaction ; Computer and Information Systems Applications ; open access ; artificial intelligence ; communication systems ; computer vision ; databases ; hci ; human-computer interaction ; image processing ; Internet of Things ; IoT ; machine learning ; network protocols ; sensors ; signal processing ; software architecture ; software design ; telecommunication networks ; telecommunication systems ; user interfaces ; wireless telecommunication systems ; Network hardware ; Artificial intelligence ; Information retrieval ; Internet searching ; Expert systems / knowledge-based systems ; Systems analysis & design ; User interface design & usability ; thema EDItEUR::U Computing and Information Technology::UK Computer hardware::UKN Network hardware ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYQ Artificial intelligence ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYQ Artificial intelligence::UYQE Expert systems / knowledge-based systems ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYD Systems analysis and design ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYZ Human–computer interaction::UYZG User interface design and usability
    Sprache: Englisch
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  • 7
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    Springer Nature | Springer International Publishing
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book presents the foundations of the Big Data research and innovation ecosystem and the associated enablers that facilitate delivering value from data for business and society. It provides insights into the key elements for research and innovation, technical architectures, business models, skills, and best practices to support the creation of data-driven solutions and organizations. The book is a compilation of selected high-quality chapters covering best practices, technologies, experiences, and practical recommendations on research and innovation for big data. The contributions are grouped into four parts: · Part I: Ecosystem Elements of Big Data Value focuses on establishing the big data value ecosystem using a holistic approach to make it attractive and valuable to all stakeholders. · Part II: Research and Innovation Elements of Big Data Value details the key technical and capability challenges to be addressed for delivering big data value. · Part III: Business, Policy, and Societal Elements of Big Data Value investigates the need to make more efficient use of big data and understanding that data is an asset that has significant potential for the economy and society. · Part IV: Emerging Elements of Big Data Value explores the critical elements to maximizing the future potential of big data value. Overall, readers are provided with insights which can support them in creating data-driven solutions, organizations, and productive data ecosystems. The material represents the results of a collective effort undertaken by the European data community as part of the Big Data Value Public-Private Partnership (PPP) between the European Commission and the Big Data Value Association (BDVA) to boost data-driven digital transformation.
    Schlagwort(e): Information Storage and Retrieval ; Business and Management, general ; Innovation/Technology Management ; The Computer Industry ; Big Data ; Innovation and Technology Management ; Technology Commercialization ; Digital Transformation ; Innovation Spaces ; Data-Driven Innovation ; Data Analytics ; Technology Management ; Data Ecosystems ; Data Protection ; Big Data Business Models ; Open Access ; Information retrieval ; Data warehousing ; Business & Management ; Research & development management ; Industrial applications of scientific research & technological innovation ; Information technology industries ; Databases ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJM Management and management techniques::KJMV Management of specific areas::KJMV6 Research and development management ; thema EDItEUR::K Economics, Finance, Business and Management::KN Industry and industrial studies::KNT Media, entertainment, information and communication industries::KNTX Information technology industries ; thema EDItEUR::U Computing and Information Technology::UN Databases
    Sprache: Englisch
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  • 8
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    Springer Nature | Springer
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book is part of the LAMBDA Project (Learning, Applying, Multiplying Big Data Analytics), funded by the European Union, GA No. 809965. Data Analytics involves applying algorithmic processes to derive insights. Nowadays it is used in many industries to allow organizations and companies to make better decisions as well as to verify or disprove existing theories or models. The term data analytics is often used interchangeably with intelligence, statistics, reasoning, data mining, knowledge discovery, and others. The goal of this book is to introduce some of the definitions, methods, tools, frameworks, and solutions for big data processing, starting from the process of information extraction and knowledge representation, via knowledge processing and analytics to visualization, sense-making, and practical applications. Each chapter in this book addresses some pertinent aspect of the data processing chain, with a specific focus on understanding Enterprise Knowledge Graphs, Semantic Big Data Architectures, and Smart Data Analytics solutions. This book is addressed to graduate students from technical disciplines, to professional audiences following continuous education short courses, and to researchers from diverse areas following self-study courses. Basic skills in computer science, mathematics, and statistics are required.
    Schlagwort(e): Database Management ; Information Systems Applications (incl. Internet) ; Logic in AI ; Computer Appl. in Administrative Data Processing ; Business Information Systems ; Computer and Information Systems Applications ; Computer Application in Administrative Data Processing ; artificial intelligence ; big data ; data analytics ; data handling ; data integration ; data mining ; databases ; digital storage ; domain knowledge ; graph theory ; information management ; information technology ; integrated data ; internet ; knowledge management ; knowledge-based system ; ontologies ; semantics ; Databases ; Database programming ; Information retrieval ; Internet searching ; Artificial intelligence ; Public administration ; Information technology: general issues ; Business mathematics & systems ; thema EDItEUR::U Computing and Information Technology::UN Databases ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYQ Artificial intelligence ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPP Public administration ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJQ Business mathematics and systems
    Sprache: Englisch
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  • 9
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    Springer Nature | Springer
    Publikationsdatum: 2021-02-10
    Beschreibung: This open access book attends to the co-creation of digital public services for ageing societies. Increasingly public services are provided in digital form; their uptake however remains well below expectations. In particular, amongst older adults the need for public services is high, while at the same time the uptake of digital services is lower than the population average. One of the reasons is that many digital public services (or e-services) do not respond well to the life worlds, use contexts and use practices of its target audiences. This book argues that when older adults are involved in the process of identifying, conceptualising, and designing digital public services, these services become more relevant and meaningful. The book describes and compares three co-creation projects that were conducted in two European cities, Bremen and Zaragoza, as part of a larger EU-funded innovation project. The first part of the book traces the origins of co-creation to three distinct domains, in which co-creation has become an equally important approach with different understandings of what it is and entails: (1) the co-production of public services, (2) the co-design of information systems and (3) the civic use of open data. The second part of the book analyses how decisions about a co-creation project’s governance structure, its scope of action, its choice of methods, its alignment with strategic policies and its embedding in existing public information infrastructures impact on the process and its results. The final part of the book identifies key challenges to co-creation and provides a more general assessment of what co-creation may achieve, where the most promising areas of application may be and where it probably does not match with the contingent requirements of digital public services. Contributing to current discourses on digital citizenship in ageing societies and user-centric design, this book is useful for researchers and practitioners interested in co-creation, public sector innovation, open government, ageing and digital technologies, citizen engagement and civic participation in socio-technical innovation.
    Schlagwort(e): Public Administration ; Public Policy ; Demography ; Information Systems Applications (incl. Internet) ; Social Policy ; Population and Demography ; Information Systems Applications (incl.Internet) ; Co-creation ; Civic engagement ; Open data ; Digital public service ; Geron-technology ; Digital innovation ; MobileAge ; Open Access ; Public administration ; Population & demography ; Information retrieval ; Internet searching ; Political economy ; Social & ethical issues ; Central / national / federal government policies ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPP Public administration ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology::JHBD Population & demography ; bic Book Industry Communication::U Computing & information technology::UN Databases::UNH Information retrieval ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCP Political economy ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPQ Central government::JPQB Central government policies
    Sprache: Englisch
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  • 10
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    Springer Nature | Springer Singapore
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book constitutes the refereed proceedings of the 16th International Annual Conference on Cyber Security, CNCERT 2020, held in Beijing, China, in August 2020. The 17 papers presented were carefully reviewed and selected from 58 submissions. The papers are organized according to the following topical sections: access control; cryptography; denial-of-service attacks; hardware security implementation; intrusion/anomaly detection and malware mitigation; social network security and privacy; systems security.
    Schlagwort(e): Systems and Data Security ; Computer Communication Networks ; Information Systems Applications (incl. Internet) ; Computer System Implementation ; Cryptology ; Mobile and Network Security ; Data and Information Security ; Computer and Information Systems Applications ; communication channels (information theory) ; communication systems ; computer crime ; computer hardware ; computer networks ; computer security ; computer systems ; cryptography ; data communication systems ; data security ; databases ; network protocols ; network security ; sensors ; signal processing ; telecommunication networks ; telecommunication systems ; telecommunication traffic ; wireless telecommunication systems ; Network hardware ; Information retrieval ; Internet searching ; Systems analysis & design ; Coding theory & cryptology ; Data encryption ; thema EDItEUR::U Computing and Information Technology::UR Computer security ; thema EDItEUR::U Computing and Information Technology::UK Computer hardware::UKN Network hardware ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYD Systems analysis and design ; thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GP Research and information: general::GPJ Coding theory and cryptology ; thema EDItEUR::U Computing and Information Technology::UT Computer networking and communications::UTN Network security
    Sprache: Englisch
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  • 11
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    Springer Nature | Springer
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book summarizes the first two decades of the NII Testbeds and Community for Information access Research (NTCIR). NTCIR is a series of evaluation forums run by a global team of researchers and hosted by the National Institute of Informatics (NII), Japan. The book is unique in that it discusses not just what was done at NTCIR, but also how it was done and the impact it has achieved. For example, in some chapters the reader sees the early seeds of what eventually grew to be the search engines that provide access to content on the World Wide Web, today’s smartphones that can tailor what they show to the needs of their owners, and the smart speakers that enrich our lives at home and on the move. We also get glimpses into how new search engines can be built for mathematical formulae, or for the digital record of a lived human life. Key to the success of the NTCIR endeavor was early recognition that information access research is an empirical discipline and that evaluation therefore lay at the core of the enterprise. Evaluation is thus at the heart of each chapter in this book. They show, for example, how the recognition that some documents are more important than others has shaped thinking about evaluation design. The thirty-three contributors to this volume speak for the many hundreds of researchers from dozens of countries around the world who together shaped NTCIR as organizers and participants. This book is suitable for researchers, practitioners, and students—anyone who wants to learn about past and present evaluation efforts in information retrieval, information access, and natural language processing, as well as those who want to participate in an evaluation task or even to design and organize one.
    Schlagwort(e): Information Storage and Retrieval ; Evaluation ; Information Retrieval ; Multilingual Information Access ; NTCIR ; Test Collections ; Information Search ; Information Storage ; Artificial Intelligence ; Open Acces ; Information retrieval ; Data warehousing ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval
    Sprache: Englisch
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  • 12
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    Springer Nature | Springer
    Publikationsdatum: 2024-04-14
    Beschreibung: This open access book constitutes the proceedings of the 12th International Conference on Human Haptic Sensing and Touch Enabled Computer Applications, EuroHaptics 2020, held in Leiden, The Netherlands, in September 2020. The 60 papers presented in this volume were carefully reviewed and selected from 111 submissions. The were organized in topical sections on haptic science, haptic technology, and haptic applications. This year's focus is on accessibility.
    Schlagwort(e): User Interfaces and Human Computer Interaction ; Robotics ; Special Purpose and Application-Based Systems ; Information Systems Applications (incl. Internet) ; Image Processing and Computer Vision ; Computer and Information Systems Applications ; Computer Vision ; communication systems ; computer networks ; data communication systems ; display devices ; engineering ; haptic devices ; haptic interfaces ; human engineering ; Human-Computer Interaction (HCI) ; mobile computing ; network protocols ; robotics ; signal processing ; telecommunication networks ; user interfaces ; virtual reality ; wireless telecommunication systems ; User interface design & usability ; Artificial intelligence ; Expert systems / knowledge-based systems ; Information retrieval ; Internet searching ; Image processing ; Computer vision ; 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::UY Computer science::UYQ Artificial intelligence ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYQ Artificial intelligence::UYQE Expert systems / knowledge-based systems ; thema EDItEUR::U Computing and Information Technology::UN Databases::UNH Information retrieval ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYT Image processing
    Sprache: Englisch
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  • 13
    Publikationsdatum: 2021-04-25
    Schlagwort(e): 551 ; VU 000 ; 38.20
    Sprache: Deutsch
    Materialart: anthologyArticle , publishedVersion
    Format: 247-257
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  • 14
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    Fachbereich Geowiss. | Berlin
    Publikationsdatum: 2021-03-29
    Schlagwort(e): 551 ; VU 000 ; 38.20
    Sprache: Deutsch
    Materialart: anthologyArticle , publishedVersion
    Format: 517-539
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  • 15
    Publikationsdatum: 2021-04-25
    Beschreibung: Petrobiona massi1iana ist ein Vertreter der Calcaronea mit einem rigiden sekundären Hoch-MagnesiumkalzitBasalskelett ("Pharetronida"). Der kalkige Basalkörper besteht aus irregulären, meist elongaten PseudoSphäruliten. Der Schwamm selbst lebt nur an der Oberfläche des Basal körpers. Vom Choanosom stülpen sich dOnne Kanäle aus, die den gesamten Basalkörper durchziehen. In einer dOnnen (ca.1~) Grenzlage zwischen dem Pinacoderm und dem Basalkörper (extra-pinacodermale Mucuschicht) bilden sich prismatische Primärelemente (Kristall-Fladen). Die kalzitischen Spiculae des Schwammes werden hier in den Basalkörper integriert. Dies geschieht über Mg-kalzitische Zemente (Synvivo-Diagenese sensu REITNER 1987), die sich in vergrößerten Hohlräumen im Bereich der extra-pinacodermalen Mucusschicht bilden. Das vergrößerte Lumen in dieser Mucusschicht entsteht durch die Ablösungsbewegung des lebenden Schwammgewebes durch Wachstum. Die monokristalinen Skleren werden durch eine frOhdiagenetische Neomorphose in polykristalline Strukturen Ubergeführt, oft verbunden mit einem Verlust an Mg. Isotopenchemisch unterscheiden sich Skleren und Basalskelett nur durch veränderte Ö 018 Werte, die auf diagenetische Prozesse zurückgeführt werden können. Bemerkenswert ist der hohe ÖC13 Gehalt (ca.+2,3). Eine intrazelluläre Bildung des Basalskeletts konnte nicht festgestellt werden. Der Vergleich mit der pharetroniden Gattung Hinchine11a (Calcaronea) zeigt einige Unterschiede. Die Skleren werden hier nicht durch neomorphe Prozesse aufgelöst. Die großen choanosomalen Tetractinen werden zuerst an ihren Kontaktpunkten mit einem orthogonalen Zement verbunden. Dieser Zement ist vergleichbar mit den primären Zementfladen von Petrobiona. Im weiteren Verlauf der Ontogenese werden die Skleren vollständig von diesem Zement überwachsen. Das Basalskelett zeichnet das primäre Skelett nach ("" stromatoporoi der" Bau). Es handelt sich bei den Zementen wiederum um extra-dermale Bildungen, allerdings hier initiiert durch das Choanosom. Die chemischen und isotopenchemischen Parameter sind vergleichbar mit denen von Petrobiona. Das Basalskelett von Hurrayona (Calcinea) unterscheidet sich grundlegend von dem der Calcaronea. Das sekundäre Kalkskelett ist aspikulär, allerdings werden gelegentlich eingefangene Skleren beobachtet. Das sekundäre Skelett hat eine sphärulitische Struktur. In der Aufsicht zeigen sich allerdings wiederum primäre Elemente, die vergleichbar sind mit den primären Zementfladen der Calcaronea. Das Basalpkelett wird wiederum in einem extra-dermalen/choanosomalen Raum gebildet. Isotopenchemisch unterscheideF $ich dieses Basalskelett grundlegend von den anderen. Während die Basalskelette der Calcaronea erheblich schwerer sind, ist das von Hurrayona extrem leicht (ÖC13 -3,45; öQ1. -2,81) und nahezu identisch mit den Skleren von Leucetta, ebenfalls ein Vertreter der Calcinea. In diesem Fall muß mit einem erheblichen Vitaleffekt bei der Bildung des Basalskeletts gerechnet werden.
    Schlagwort(e): 551 ; VU 000 ; 38.20
    Sprache: Deutsch
    Materialart: anthologyArticle , publishedVersion
    Format: 343-383
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  • 16
    Publikationsdatum: 2021-03-29
    Schlagwort(e): Paläontologie; Porifera ; 551 ; VU 000 ; 38.20
    Sprache: Deutsch
    Materialart: anthologyArticle , publishedVersion
    Format: 107-117
    Format: application/pdf
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  • 17
    Publikationsdatum: 2021-04-25
    Beschreibung: Aus unterkarnischen Cipit-Kalken (Cassianer Schichten) wird eine artenarme Faunula rigider Kieselschwiin.ne beschrieben. Erstmalig fur die Trias gelingt der Nachweis komplett erhaltener lithistider Schwanvne. Sie inkrustieren als sekundare Gerustbildner die abgestorbenen corallinen Spongien. Im Gegensatz dazu siedeln die Hexactinelliden im Weichboden der Mud mounds. Das bisher fragwurdige Vorkonvnen der hexactinelliden Gattung Casearia in der Trias wird gesichert belegt. Die schlechte Erhaltung der nur im Dunnschliff erkennbaren Kieselschwamme erlaubt jedoch keine weitreichenden systematischen Aussagen.
    Beschreibung: A small, low divers ity fauna of sponges with r i gid primary si 1 iceous skeletons is described from the socalled "Cipit-Boulders" of Lower Carnian age (Cassian Beds, Northern Italy). Completely preserved lithistid sponges of Triassic age are described for the first time. They grew on calcareous skeletons of dead coralline sponges within mud mounds. In contrast, hexactinellid sponges settled on the soft mud between the other reef dwellers. The questionable occurrence of the hexactinellid genus Casearia in the Triassic is now confirmed. Owing to the poor preservation of the calcified siliceous sponges, which can only be recognized in thin sections, evidence for specific systematic determinations is limited.
    Schlagwort(e): 551 ; VU 000 ; 38.20
    Sprache: Deutsch
    Materialart: anthologyArticle , publishedVersion
    Format: 221-241
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 18
    Publikationsdatum: 2021-03-29
    Schlagwort(e): 551 ; VU 000 ; 38.20
    Sprache: Englisch
    Materialart: anthologyArticle , publishedVersion
    Format: 221-225
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 19
    Publikationsdatum: 2021-05-19
    Beschreibung: In recent years significant momentum has occurred in the development of Internet resources for decision makers and scientists interested in the coast. Chief among these has been the development of coastal web atlases (CWAs). While multiple benefits are derived from these tailor-made atlases (e.g., speedy access to multiple sources of coastal data and information), the potential exists to derive added value from the integration of disparate CWAs, to optimize decision making at a variety of levels and across themes. This paper describes the development of a semantic mediator prototype to provide a common access point to coastal data, maps and information from distributed CWAs. The prototype showcases how ontologies and ontology mappings can be used to integrate different heterogeneous and autonomous atlases, using the Open Geospatial Consortium’s Catalogue Services for the Web.
    Beschreibung: Published
    Schlagwort(e): Coastal web atlas ; Coastal atlas ; Data semantics ; Semantic web technologies ; Information retrieval ; GIS ; Ontologies ; Catalogue services for the web (CSW) ; Mediation
    Repository-Name: AquaDocs
    Materialart: Conference Material , Refereed
    Format: 6pp.
    Standort Signatur Erwartet Verfügbarkeit
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