30,009 Works

PyWPS - 4 project report

Jachym Cepicky
PyWPS is one of the first implementations of OGC Web Processing Service (OGC WPS 1.0.0) on the server-side, using Python programming language. Since it's beginning in 2006 it was offering support for running scripts of GRASS GIS and other popular libraries, such as R, GDAL, Proj4 and other. Users of PyWPS can write their server-side geo-scripts and interface them on the internet using standard WPS interface.During last two years, PyWPS development team was discussing new...
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Tipping point of a conifer forest ecosystem under severe drought

Kaicheng Huang, Chuixiang Yi, Donghai Wu, Tao Zhou, Xiang Zhao, William J Blanford, Suhua Wei, Hao Wu, Du Ling & Zheng Li
Drought-induced tree mortality has recently received considerable attention. Questions have arisen over the necessary intensity and duration thresholds of droughts that are sufficient to trigger rapid forest declines. The values of such tipping points leading to forest declines due to drought are presently unknown. In this study, we have evaluated the potential relationship between the level of tree growth and concurrent drought conditions with data of the tree growth-related ring width index (RWI) of the...
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Technologien für Open Science und Open Education

Sören Auer
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Exascale Memory: Requirements and Options

Rob Schreiber
Computer Science Colloquium
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Eipo (West-Neuguinea, Zentrales Hochland) - Singen bei der Arbeit

Volker Heeschen
Zwei ältere Männer singen in Dingerkon verschiedene Lieder mit mythischem Inhalt und narrativem Charakter, während sie Handarbeiten verrichten (Herstellung von Fasermaterial aus Rotan mit einem Bambusmesser, Flechten eines Armreifs und einer Manschette). Die Lieder haben keinen Bezug zur Arbeit, sondern sind lediglich Ausdruck individueller Gestimmtheit.
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Eskimo (East Greenland, Angmagssalik Region) - Drum Fight Songs

Kaj Mogens Jensen, Jette Bang & Poul Rovsing Olsen
Ein Eskimo singt zwei Trommelgesänge. Als Streitgesänge besitzen sie einen speziellen Rhythmus. Durch heftiges Wippen in den Knien wird zum Trommeln und Singen getanzt. Grimassen und Schreie sollen den Gegner herausfordern. Das zweite Lied beschreibt einen Trommel-Streitgesang zwischen zwei Vögeln.
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Taking dynamic web mapping to 1:100000 scale

Alejandro Martínez
CartoDB is growing to be one of the biggest mapping platform for the masses, being powered by a fully open-source stack, with PostgreSQL, PostGIS, Mapnik and Leaflet at its core. Our aim is to democratize map and geographical data visualization, making it easy for non-GIS people to create simple maps using the CartoDB Editor, but still keeping all the power and flexibility of the underlying components available to advanced users, with a variety of building...
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Simulation of a hypothetical levee breach-induced flooding on the Secchia River (Italy)

Alessia Ferrari, Susanna Dazzi, Renato Vacondio & Paolo Mignosa
With the aim of improving resilience to flooding and increasing preparedness to face levee breach-induced inundations, this paper presents a methodology to create a wide database of numerically simulated flooding scenarios due to embankment failures, applicable to any lowland area protected by river levees. The analysis of the detailed spatial and temporal flood data obtained from these hypothetical scenarios is expected to contribute both to the development of civil protection planning, and to immediate actions...
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SZ-COMPAS model: Middle Caspian Sea surface salinity in 2003-2005

Gleb Dyakonov
Surface salinity in Middle Caspian Sea reconstructed in 2003-2005 via SZ-COMPAS model, experiment #245. Salinity is used to trace surface dynamics and identify mesoscale patterns, e.g. eddies, jets, etc. One frame = 4 hours. Model grid resolution is 2 km. Abrupt drops in the salinity fields ("flashes") are associated with precipitation events. Surface circulation in Southern Caspian Sea is presented in the video available at https://doi.org/10.5446/44428
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Large-scale circulation of aerosols off the California coast during the December 2018 Campaign

Copernicus Atmosphere Monitoring Service (CAMS)
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CAMS model output showing the Camp Fire plume reaching Southern California during the December 2018 campaign

Copernicus Atmosphere Monitoring Service (CAMS)
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NASA MODIS images showing the Camp Fire plume during the November 2017 campaign

National Aeronautics And Space Administration (NASA)
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CAMS model output showing the Camp Fire and Southern California plumes during the November 2017 campaign

Copernicus Atmosphere Monitoring Service (CAMS)
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Biomineralisation

Rüdiger Kniep, Paul Jerabek, Julian Hegemann & Andreas Authmann
Prof. Rüdiger Kniep (MPI, Dresden) führt in das spannende Gebiet der Biomineralisation ein.
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Steel composites for energy generation systems

Carlos Capdevila Montes, J. Chao, M. Serrano, G. Pimentel, E. Urones-Garrote, C.M. Parish & M.K. Miller
A lecture given by Carlos Capdevila Montes, at the Adventures in the Physical Metallurgy of Steels (APMS) conference held in Cambridge University. About oxide dispersion strengthened, mechanically alloyed steel. In order to meet future energy demands, new materials will be required to withstand extreme environments. Ferritic FeCr(Al) oxide dispersion strengthened (ODS) steels are an example of engineered steel composite that have excellent potential for use in next-generation high-temperature applications where superior creep strength and oxidation...
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7th HLF – Panel Discussion: The Future of Scientific Publishing

Gerard Meijer, Joseph Konstan, Julie Williamson, Gabriele Von Voigt, Klaus Hulek & Efim Zelmanov
Panel: The Future of Scientific Publishing Scientific publishing is facing a number of challenging issues, the increasing demand for open access journals being the most prominent one. Other topics include: The different models of peer review; novel publication models such as “registered reports“; interactive journals; specific aspects of publications in computational sciences (data sets, software platforms, hardware platforms, licenses, etc.); publications and reproducibility; publication of negative results. The panel will address these and potentially other...
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7th HLF – Panel Discussion: The Gender Gap in Science

Ragni Piene, Marie-Francoise Roy, Margo Seltzer, Jessica Carter, Anna Wienhard, Anna Vasilchenko & Fernando Seabra Chirigati
Panel: The Gender Gap in Science Mathematical and natural sciences have long and honorable traditions of participation by highly creative women contributors. However, the percentages of women scientists remain shockingly low and there is a significant gender gap at all levels between women and men. Barriers to achievement by women persist, especially in developing countries. The international and interdisciplinary project “A Global Approach to the Gender Gap in Mathematical, Computing, and Natural Sciences: How to...
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7th HLF – Poster Flash

Olaf Kramer, Dragana Radojičić, Bruno Iochins Grisci, Himanshu Jain, Amanda Bower, Ramanarayan Mohanty, George Jojo Boateng, Ghadeer Abuoda, Jan Glaubitz, Chinedu Izuchukwu, Rahul Jain, Yatin A. Manerkar, Abdulrahman Mahmoud, Hiram López, Mahendra Kumar Gupta, Neeraj Sangwan, Edin Lidan, Suman Sourav, Caleb Stanford & Et. Al.
Poster Flash at the 7th Heidelberg Laureate Forum Young researchers had the chance to present their poster infront of a big audience. The opinions expressed in this video do not necessarily reflect the views of the Heidelberg Laureate Forum Foundation or any other person or associated institution involved in the making and distribution of the video.
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7th HLF – Turing Lecture: Deep Learning for AI

Yoshua Bengio
This lecture will look back at some of the principles behind the recent successes of deep learning as well as acknowledge current limitations, and finally propose research directions to build on top of this progress and towards human-level AI. Notions of distributed representations, the curse of dimensionality, and compositionality with neural networks will be discussed, along with the fairly recent advances changing neural networks from pattern recognition devices to systems that can process any data...
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7th HLF – Exhibition: La La Lab – The Mathematics of Music

Andreas Matt
Running parallel to the 7th HLF, the Heidelberg Laureate Forum Foundation (HLFF) presents the exhibition "La La Lab – The Mathematics of Music" in Heidelberg. Music and Mathematics share many similarities as fields of study. Both disciplines are abstract, have structures and manipulation rules, a well-defined notation, and are absolutely precise in their results. Working on them requires practice and an analytical mind. It is no surprise that Mathematics and Music are closely related. But...
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7th HLF – Hot Topic: Climate crisis - Actions (Part 2)

Paul Edwards, Jennifer Marlon, Manfred Milinski & Michele Catanzaro
How can we predict the next century’s climate if we can hardly predict this weekend’s weather? Is the latest flooding or heatwave due to climate change, or not? Why is it so hard to take action on this problem? Climate change is likely the most complex crisis humanity has ever faced. It is a convoluted scientific problem and involves complicated social, economical and psychological dynamics. In this Hot Topic session, we will try to pin...
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7th HLF – Hot Topic: Climate crisis - Facts (Part 1)

Chris Budd, Sonia Seneviratne, Timothy Palmer, Opha Pauline Dube & Michele Catanzaro
How can we predict the next century’s climate if we can hardly predict this weekend’s weather? Is the latest flooding or heatwave due to climate change, or not? Why is it so hard to take action on this problem? Climate change is likely the most complex crisis humanity has ever faced. It is a convoluted scientific problem and involves complicated social, economical and psychological dynamics. In this Hot Topic session, we will try to pin...
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7th HLF – Lecture: A personal journey into the world of mathematics

Caucher Birkar
In this talk I will talk about my personal story with an emphasis on mathematical education and research. In particular I will talk about the challenges I faced and the factors that shaped my academic life. The opinions expressed in this video do not necessarily reflect the views of the Heidelberg Laureate Forum Foundation or any other person or associated institution involved in the making and distribution of the video.
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7th HLF – Lecture: Introducing the work of Karen Uhlenbeck, Abel Prize 2019

Elena Mäder-Baumdicker
Karen Uhlenbeck was awarded the Abel Prize 2019 “for her pioneering achievements in geometric partial differential equations, gauge theory and integrable systems, and for the fundamental impact of her work on analysis, geometry and mathematical physics.” Unfortunately, Karen Uhlenbeck is unable to attend the 7th HLF. Therefore, Elena Mäder-Baumdicker, who is a mathematics professor at TU Darmstadt, will give a short introduction and overview of Karen Uhlenbeck’s work. The opinions expressed in this video do...
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7th HLF – Lecture: Research in Deep Learning

John E. Hopcroft
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