123 research outputs found

    Geographic information extraction from texts

    Get PDF
    A large volume of unstructured texts, containing valuable geographic information, is available online. This information – provided implicitly or explicitly – is useful not only for scientific studies (e.g., spatial humanities) but also for many practical applications (e.g., geographic information retrieval). Although large progress has been achieved in geographic information extraction from texts, there are still unsolved challenges and issues, ranging from methods, systems, and data, to applications and privacy. Therefore, this workshop will provide a timely opportunity to discuss the recent advances, new ideas, and concepts but also identify research gaps in geographic information extraction

    Modern Socio-Technical Perspectives on Privacy

    Get PDF
    This open access book provides researchers and professionals with a foundational understanding of online privacy as well as insight into the socio-technical privacy issues that are most pertinent to modern information systems, covering several modern topics (e.g., privacy in social media, IoT) and underexplored areas (e.g., privacy accessibility, privacy for vulnerable populations, cross-cultural privacy). The book is structured in four parts, which follow after an introduction to privacy on both a technical and social level: Privacy Theory and Methods covers a range of theoretical lenses through which one can view the concept of privacy. The chapters in this part relate to modern privacy phenomena, thus emphasizing its relevance to our digital, networked lives. Next, Domains covers a number of areas in which privacy concerns and implications are particularly salient, including among others social media, healthcare, smart cities, wearable IT, and trackers. The Audiences section then highlights audiences that have traditionally been ignored when creating privacy-preserving experiences: people from other (non-Western) cultures, people with accessibility needs, adolescents, and people who are underrepresented in terms of their race, class, gender or sexual identity, religion or some combination. Finally, the chapters in Moving Forward outline approaches to privacy that move beyond one-size-fits-all solutions, explore ethical considerations, and describe the regulatory landscape that governs privacy through laws and policies. Perhaps even more so than the other chapters in this book, these chapters are forward-looking by using current personalized, ethical and legal approaches as a starting point for re-conceptualizations of privacy to serve the modern technological landscape. The book’s primary goal is to inform IT students, researchers, and professionals about both the fundamentals of online privacy and the issues that are most pertinent to modern information systems. Lecturers or teacherscan assign (parts of) the book for a “professional issues” course. IT professionals may select chapters covering domains and audiences relevant to their field of work, as well as the Moving Forward chapters that cover ethical and legal aspects. Academicswho are interested in studying privacy or privacy-related topics will find a broad introduction in both technical and social aspects

    EG-ICE 2021 Workshop on Intelligent Computing in Engineering

    Get PDF
    The 28th EG-ICE International Workshop 2021 brings together international experts working at the interface between advanced computing and modern engineering challenges. Many engineering tasks require open-world resolutions to support multi-actor collaboration, coping with approximate models, providing effective engineer-computer interaction, search in multi-dimensional solution spaces, accommodating uncertainty, including specialist domain knowledge, performing sensor-data interpretation and dealing with incomplete knowledge. While results from computer science provide much initial support for resolution, adaptation is unavoidable and most importantly, feedback from addressing engineering challenges drives fundamental computer-science research. Competence and knowledge transfer goes both ways

    Information and Communication Technologies in Tourism 2022

    Get PDF
    This open access book presents the proceedings of the International Federation for IT and Travel & Tourism (IFITT)’s 29th Annual International eTourism Conference, which assembles the latest research presented at the ENTER2022 conference, which will be held on January 11–14, 2022. The book provides an extensive overview of how information and communication technologies can be used to develop tourism and hospitality. It covers the latest research on various topics within the field, including augmented and virtual reality, website development, social media use, e-learning, big data, analytics, and recommendation systems. The readers will gain insights and ideas on how information and communication technologies can be used in tourism and hospitality. Academics working in the eTourism field, as well as students and practitioners, will find up-to-date information on the status of research

    Machine Learning

    Get PDF
    Machine Learning can be defined in various ways related to a scientific domain concerned with the design and development of theoretical and implementation tools that allow building systems with some Human Like intelligent behavior. Machine learning addresses more specifically the ability to improve automatically through experience

    Advanced rotor blade design based on high-fidelity computational fluid dynamics

    Get PDF
    This thesis is aimed at expanding the current state of the art in rotor design by combining high fidelity CFD and optimisation methods. Such methods are associated with extremely high computational costs, when optimisation of unsteady flow fields is required such as those encountered by a rotor in forward flight. For this reason, the majority of studies in literature resort to lower fidelity models for forward flight optimisation. To maintain the high fidelity of the Navier-Stokes equations at modest computational costs, an optimisation framework based on an overset adjoint harmonic balance method was developed within the present research, which is the primary novelty of the thesis. Firstly, however, the CFD solver is validated for a range of rotor designs in hover and forward flight, by comparing the performance predictions with available experimental data, and thereby verifying the findings obtained in the rotor design study. The CFD validation also includes a sensitivity analysis of various numerical modelling parameters on the performance predictions including effects of computational setup, grid resolution and turbulence models. The validation studies highlighted the need for more accurate and higher quality experimental data. Based on the CFD validation results, the use of standard performance metrics such as figure of merit and lift-to-drag ratio was assessed for comparing different rotor designs, showing that a dimensional thrust and torque comparison is more informative. A blade solidity study was also performed to inform the correct use of different solidity parameters, in particular, thrust- weighted solidity. The comparison of the different designs used for CFD validation highlighted the subtle aerodynamics involved in advanced planform shapes and the need for numerical optimisation. The developed optimisation framework was applied to the AH-64A rotor blade and showed that significant performance benefits are available through blade planform shape modifications. The final design was validated in hover and forward flight using time-marching calculations. The differences between the harmonic balance and time-marching simulations are analysed in detail along with the sources behind the performance gains for the optimised blade. Finally, a discussion of the favourable rotor design features is conducted along with suggestions for improvements of the optimisation framework
    • …
    corecore