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  • 1
    Publication Date: 2024-04-19
    Description: Powered by WebGL, some renderers have recently become available for the visualization of point cloud data over the web, for example Plasio or Potree. We have extended Potree to be able to visualize massive point clouds and we have successfully used it with the second national Lidar survey of the Netherlands, AHN2, with 640 billion points. In addition to the visualization, the publicly available service at http://ahn2.pointclouds.nl/ also features a multi-resolution download tool, a geographic name search bar, a measurement toolkit, a 2D orientation map with field of view depiction, a demo mode and the tuning of the visualization parameters. Potree relies on reorganizing the point cloud data into an multi-resolution octree data structure. However, this reorganization is very time consuming for massive data sets. Hence, we have used a divide and conquer approach to decrease the octree creation time. To achieve such performance improvement we divided the entire space into smaller cells, generated an octree for each of them in a distributed manner and then we merged them into a single massive octree. The merging is possible because the extent of all the nodes of the octrees is known and fixed. All the developed tools are free and open-source (FOSS) and they can be used to visualize over the web other massive point clouds.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 2
    Publication Date: 2024-02-21
    Description: Earth observation sciences produce large sets of data which are inherently rich in spatial and geo-spatial information. Together with live data collected from monitoring systems and large collections of semantically rich objects they provide new opportunities for advanced eScience research on climatology, urban planing and smart cities. Such combination of heterogeneous data sets forms a new source of knowledge. Efficient knowledge extraction from them is an eScience challenge. It requires efficient bulk data injection from both static and streaming data sources, dynamic adaptation of the physical and logical schema, efficient methods to correlate spatial and temporal data, and flexibility to (re-)formulate the research question at any time. In this work, we present a data management layer over a column-oriented relational data management system that provides efficient analysis of spatiotemporal data. It provides fast data ingestion through different data loaders, tabular and array based storage, and a dynamic step-wise exploration.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 3
    Publication Date: 2024-02-21
    Description: Point cloud data are important sources for 3D geo-information. An inventory of the point cloud data management user requirements has been compiled using structured interviews with users from different background: government, industry and academia. Based on these requirements a benchmark has been developed to compare various point cloud data management solutions with regard to functionality and performance. The main test dataset is the second national height map of the Netherlands, AHN2, with 6-10 samples for every square meter of the country, resulting in 640 billion points. At the database level, a data storage model based on grouping the points in blocks is available in Oracle and PostgreSQL. This model is compared with the 'flat table' model, where each point is stored in a table row, in Oracle, PostgreSQL and the column-store MonetDB. In addition, the commonly used file-based solution Rapidlasso LAStools is used for comparison with the database solutions. The results of executing the benchmark on different platforms are presented as obtained during the increasingly challenging stages with more functionality and more data: mini (20 million points), medium (20 billion points), and full benchmark (the complete AHN2).During the design, the implementation and the execution of the benchmarks, a number of point cloud data management improvements were proposed and partly tested: Morton/Hilbert code for ordering data (especially in flat model), two algorithms for parallel query execution, and a unique vario-scale LoD data organization avoiding the density jumps of the well-known discrete LoD data organizations. Display Omitted HighlightsDesign of point cloud benchmark based on requirements from different groups of users within government, industry and academia.Analysing various data management systems: PostgreSQL, MonetDB, Oracle, and LAStools.New techniques for point cloud management: Morton code and Morton-ranges, algorithms for parallel query, and vario-LoD organization.
    Language: English
    Type: info:eu-repo/semantics/article
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  • 4
    Publication Date: 2024-02-07
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 5
    Monograph available for loan
    Monograph available for loan
    London : Routledge
    Call number: RIFS 23.95607
    Type of Medium: Monograph available for loan
    Pages: XI, 172 S. , Ill., graph. Darst.
    ISBN: 0415576865 , 9780415576864 , 0415576857 , 9780415576857
    Language: English
    Branch Library: RIFS Library
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  • 6
    Publication Date: 2023-12-13
    Description: Accelerating climate change and increased economic and environmental interests in permafrost-affected regions have resulted in an acute need for more directed permafrost research. In June 2014, 88 early career researchers convened to identify future priorities for permafrost research. This multidisciplinary forum concluded that five research topics deserve greatest attention: permafrost landscape dynamics, permafrost thermal modeling, integration of traditional knowledge, spatial distribution of ground ice, and engineering issues. These topics underline the need for integrated research across a spectrum of permafrost-related domains and constitute a contribution to the Third International Conference on Arctic Research Planning (ICARP III).
    Language: English
    Type: info:eu-repo/semantics/article
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  • 7
    Call number: RIFS 23.95499
    Type of Medium: Monograph available for loan
    Pages: xx, 286 Seiten , Illustrationen
    ISBN: 9781138781832 , 9781138781849
    Series Statement: Key issues in cultural heritage
    Language: English
    Note: Introduction: heritage and climate change: the future is not the past , Narratives of change on the Jurassic Coast World Heritage Site , Heritage and climate change: a fatal affair , Climate and cultural heritage: an experiment with the weather memory bank , Diverse epistemic traditions in transformative climate change research and adaptation: heritage and legacy , "We now have a name for some of the big changes happening on our bubu [country]": the role of indigenous knowledge for the management of cultural landscapes in a changing climate: a case study of the Kuku Nyungkal people from the Queensland Wet Tropics, Australia , Climate change and the changing nature of conservation , Historical chestnut cultures, climate and rural landscapes in the Apennines , Part II. Creative responses to heritage and climate change relations: processes, policies and possibilities ; Heritage and climate change: organizational conflicts and conundrums , Heritage development and community resilience: insights for the era of climate change , Strategies for coping with the wicked problem of climate change: a natural heritage perspective , Buffer mechanisms for managing diversity and world heritage in the Cape Floral Region (South Africa) , "From dust to dust": earth buildings, process and change , Relationships between climate change and built heritage: the case of dense urban cities in Hong Kong and China , Taking the middle path to the coast: how community collaboration can help save threatened sites , Conclusion: valuing the ever-changing past
    Branch Library: RIFS Library
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  • 8
    Publication Date: 2023-10-02
    Description: The transformation of energy systems is influencing economic policy agendas all over the world, particularly in industrialized countries. In this process, Germany has taken a pioneering role, and hence the technical innovations, legal frameworks, and business models established there are also of interest for other countries trying to achieve broader use of renewable energies. Energy cooperatives have been an important building block in the energy transition in Germany, although their practical importance is neither quantitatively nor qualitatively reflected in the academic literature. Drawing on recently collected data, this paper presents an overview of German energy cooperatives in terms of organization, financing, and membership. We then review literature from economics and the social sciences that has been used to analyze cooperatives on various levels in other fields. We discuss how these theories could be applied to create a better understanding of energy cooperatives, and we derive a preliminary research agenda for their analysis. We also assess the scope for interdisciplinary work among economists, sociologists, and other disciplines.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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  • 9
    Call number: 9783709118832 (e-book)
    Type of Medium: 12
    Pages: 1 Online-Ressource (xxx, 765 Seiten) , Illustrationen
    ISBN: 9783709118832 , 978-3-7091-1883-2
    Language: English
    Note: Contents Part I Introduction 1 Cardiac Development and Animal Models of Congenital Heart Defects / Robert G. Kelly 2 Normal Cardiac Anatomy and Clinical Evaluation / David J. Driscoll Part II Development of the Heart and Its Vessels 3 First and Second Heart Field / Margaret Buckingham 4 Neural Crest / Bijoy Thattaliyath and Mary Hutson 5 Inflow Tract Development / Andy Wessels 6 Epicardium and Coronary Arteries / José C. Martín-Robles and José M. Pérez-Pomares 7 Establishment of Cardiac Laterality / George C. Gabriel and Cecilia W. Lo 8 Cardiac Conduction System / Rajiv Mohan and Vincent M. Christoffels 9 Hemodynamics During Development and Postnatal Life / David Sedmera 10 Evolutionary Aspects of Cardiac Development / Bjarke Jensen and Antoon F.M. Moorman Part III Central Molecular Pathways 11 Inter- and Intracellular Signaling Pathways / Jörg Heineke 12 Cardiac Transcription Factors and Regulatory Networks / Marcel Grunert, Cornelia Dorn, and Silke Rickert-Sperling 13 Post-transcriptional Regulation by Proteins and Non-coding RNAs / Amelia E. Aranega and Diego Franco 14 Post-translational Modification / Jun Wang and Robert J. Schwartz 15 Epigenetics / Rajan Jain, Mudit Gupta, and Jonathan A. Epstein 16 Environmental Signals / George A. Porter Jr. 17 The Contractile Apparatus of the Heart / Ingo Morano 18 Technologies to Study Genetics and Molecular Pathways / Cornelia Dorn, Marcel Grunert, Ana Dopazo, Fátima Sánchez-Cabo, Alberto Gatto, Jésus Vázquez, Silke Rickert-Sperling, and Enrique Lara-Pezzi Part IV Atrial Septal Defect 19 Clinical Presentation and Therapy of Atrial Septal Defect / David J. Driscoll 20 Human Genetics of Atrial Septal Defect / Rabia Khan and Patrick Y. Jay 21 Molecular Pathways and Animal Models of Atrial Septal Defect / Patrick Y. Jay, Karl R. Degenhardt, and Robert H. Anderson Part V Ventricular Septal Defect 22 Clinical Presentation and Therapy of Ventricular Septal Defect / David J. Driscoll 23 Human Genetics of Ventricular Septal Defect / Katherina Bellmann, Andreas Perrot, and Silke Rickert-Sperling 24 Molecular Pathways and Animal Models of Ventricular Septal Defect / Lucile Houyel Part VI Atrioventricular Septal Defect 25 Clinical Presentation and Therapy of Atrioventricular Septal Defect / David J. Driscoll 26 Human Genetics of Atrioventricular Septal Defect / Cheryl L. Maslen 27 Molecular Pathways and Animal Models of Atrioventricular Septal Defect / Andy Wessels Part VII Total Anomalous Pulmonary Venous Return 28 Clinical Presentation and Therapy of Total Anomalous Pulmonary Venous Return / David J. Driscoll 29 Human Genetics of Total Anomalous Pulmonary Venous Return / Robert E. Poelmann, Monique R.M. Jongbloed, Marco C. DeRuiter, and Adriana C. Gittenberger-de Groot 30 Molecular Pathways and Animal Models of Total Anomalous Pulmonary Venous Return / Robert E. Poelmann, Adriana C. Gittenberger-de Groot, Monique R.M. Jongbloed, and Marco C. DeRuiter Part VIII Tetralogy of Fallot and Double Outlet Right Ventricle 31 Clinical Presentation and Therapy of Tetralogy of Fallot and Double Outlet Right Ventricle / David J. Driscoll 32 Human Genetics of Tetralogy of Fallot and Double Outlet Right Ventricle / Cornelia Dorn, Andreas Perrot, and Silke Rickert-Sperling 33 Molecular Pathways and Animal Models of Tetralogy of Fallot and Double Outlet Right Ventricle / Robert G. Kelly Part IX d-Transposition of the Great Arteries 34 Clinical Presentation and Therapy of d-Transposition of the Great Arteries / David J. Driscoll 35 Human Genetics of d-Transposition of the Great Arteries / Patrice Bouvagnet and Anne Moreau de Bellaing 36 Molecular Pathways and Animal Models of d-Transposition of the Great Arteries / Amy-Leigh Johnson and Simon D. Bamforth Part X Defects of Situs 37 Clinical Presentation and Therapy of Defects of Situs / David J. Driscoll 38 Human Genetics of Defects of Situs / Andreas Perrot and Silke Rickert-Sperling 39 Molecular Pathways and Animal Models of Defects of Situs / Nikolai T. Klena, George C. Gabriel, and Cecilia W. Lo Part XI Semilunar Valve and Aortic Arch Anomalies 40 Clinical Presentation and Therapy of Semilunar Valve and Aortic Arch Anomalies / David J. Driscoll 41 Human Genetics of Semilunar Valve and Aortic Arch Anomalies / Matina Prapa and Siew Yen Ho 42 Molecular Pathways and Animal Models of Semilunar Valve and Aortic Arch Anomalies / Amy-Leigh Johnson and Simon D. Bamforth Part XII Coronary Artery Anomalies 43 Clinical Presentation and Therapy of Coronary Artery Anomalies / David J. Driscoll 44 Human Genetics of Coronary Artery Anomalies / Beatriz Picazo and José M. Pérez-Pomares 45 Molecular Pathways and Animal Models of Coronary Artery Anomalies / Juan A. Guadix and José M. Pérez-Pomares Part XIII Truncus Arteriosus 46 Clinical Presentation and Therapy of Truncus Arteriosus / David J. Driscoll 47 Human Genetics of Truncus Arteriosus / Hiroyuki Yamagishi 48 Molecular Pathways and Animal Models of Truncus Arteriosus / Amy-Leigh Johnson and Simon D. Bamforth Part XIV Tricuspid Atresia and Univentricular Heart 49 Clinical Presentation and Therapy of Tricuspid Atresia and Univentricular Heart / David J. Driscoll 50 Human Genetics of Tricuspid Atresia and Univentricular Heart / Abdul-Karim Sleiman, Liane Sadder, and George Nemer 51 Molecular Pathways and Animal Models of Tricuspid Atresia and Univentricular Heart / Kamel Shibbani and George Nemer Part XV Ebstein Anomaly 52 Clinical Presentation and Therapy of Ebstein Anomaly / David J. Driscoll 53 Human Genetics of Ebstein Anomaly / Gregor U. Andelfinger 54 Molecular Pathways and Animal Models of Ebstein Anomaly / Gregor U. Andelfinger Part XVI Hypoplastic Left Heart Syndrome 55 Clinical Presentation and Therapy of Hypoplastic Left Heart Syndrome / David J. Driscoll 56 Human Genetics of Hypoplastic Left Heart Syndrome / Woodrow D. Benson 57 Molecular Pathways and Animal Models of Hypoplastic Left Heart Syndrome / Florian Wünnemann and Gregor U. Andelfinger Part XVII Cardiomyopathies 58 Clinical Presentation and Therapy of Cardiomyopathies / David J. Driscoll 59 Human Genetics of Cardiomyopathies / Alexa M.C. Vermeer, Arthur A.M. Wilde, and Imke Christiaans 60 Molecular Pathways and Animal Models of Cardiomyopathies / Enkhsaikhan Purevjav
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  • 10
    Publication Date: 2023-07-18
    Language: English
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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