2,394 Works

Erste-Hilfe Anweisungen für lebendige Dokumente

Jens Nauber & Andreas Romeyke
Die beiden Vortragenden möchten aus ihrer Erfahrung mit digitalen Daten Denkanstöße geben, was es braucht, damit Dokumente lebendig gehalten werden können. Dies ist eine Herausforderung für Bibliotheken, da sie bisher oft nur mit "Totholz" zu tun hatten und die Möglichkeiten von Digitalisaten erst nach und nach erkennen. Der Vortrag möchte anregen, sich mit der eigenen Definition von Bibliothek auseinanderzusetzen. Wie hat sich die Aufgabenstellung der Bibliothek mit der Zeit geändert und welchen Herausforderungen steht sie...

Lecture 26. Transition State Theory

Reginald Penner
UCI Chem 131C Thermodynamics and Chemical Dynamics (Spring 2012) Lec 26. Thermodynamics and Chemical Dynamics -- Transition State Theory -- Instructor: Reginald Penner, Ph.D. Description: In Chemistry 131C, students will study how to calculate macroscopic chemical properties of systems. This course will build on the microscopic understanding (Chemical Physics) to reinforce and expand your understanding of the basic thermo-chemistry concepts from General Chemistry (Physical Chemistry.) We then go on to study how chemical reaction rates...

Turf.js – Geoverarbeitung im Browser

Numa Gremling
Die Open Source JavaScript-Bibliothek Turf.js ermöglicht geographische Analysen und Abfragen. Anders als bei klassischen Python-Geoverarbeitungsbibliotheken, wie PyQGIS oder auch ArcPy, ist bei Turf.js keine GIS-Anbindung erforderlich. Die Analysen können in einem beliebigen Browser ausgeführt werden. Diese Flexibilität ist besonders für Webmapping-Anwendungen von hoher Bedeutung, da die Kombination mit beliebigen Mapping-Bibliotheken wie z.B. OpenLayers oder Leaflet und damit auch eine Visualisierung der Ergebnisse möglich ist. Im Gegensatz zu Web Processing Services (WPS), die eine komplexe serverseitige...

Lecture 06. Alkenes, Part 1.

David Van Vranken
UCI Chem 51B Organic Chemistry (Winter 2013) Lec 06. Organic Chemistry -- Alkenes -- Part 1 Instructor: David Van Vranken, Ph.D. Description: This is the second quarter of the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. This video is part of a 26-lecture...

Development of national spatial information sharing system using the FOSS4G and CKAN , Drupal

Yoichi Kayama (Aeroasahi Corporation)
The Japanese government has begun to create and execute a plan to take advantage of the combined spatial information and ICT technology. From 2014 the Ministry of Internal Affairs and Communications has developed the G-space platform for circulating to collect spatial information of the public and private sectors. I have participated in the development to use the FOSS4G in this system. The G-Space platform of Japanese Goverment is based on data catalog system configured with...

birdhouse: a collection of web processing services for climate data

Nils Hempelmann
Processing of climate data is often connected with big data processing, but a frequent problem is that users of the processing outcome are not optimally-equipped with appropriate hardware (computing and storage facilities) nor programming experience for software development to perform the processes themself. Web Processing Services (WPS) can close this gap and offer users a valuable practical tool to process and analyze big data. WPS represents an interface to perform processes over the HTTP network...

Profiling the unprofilable

Dmitry Trofimov
Dmitry Trofimov - Profiling the unprofilable When a program is not fast enough, we call on the profiler to save us. But what happens when the program is hard to profile, like for instance the Python Debugger? In this talk we're going dive deep into Vmprof, a Python profiler, and see how it helps us find out why a debugger can be slow. Once we find the culprit, we'll use Cython to optimise things. -----...

Lecture 15. Reduction and Oxidation, Part 3.

David Van Vranken
UCI Chem 51B Organic Chemistry (Winter 2013) Lec 15. Organic Chemistry -- Reduction and Oxidation -- Part 3 Instructor: David Van Vranken, Ph.D. Description: This is the second quarter of the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. This video is part of...

Index support for regular expression search

Alexander Korotkov
Regular expressions (regex) are powerful tool for text processing. When dealing with large string collections it's important to search fast on that collections (i.e. search using index). Indexing for regex search is a quite hard task. This talk presents novel technique (and WIP patch for PostgreSQL implementing it) for regex search using trigram indexes. Proposed technique provides more comprehensive trigram extraction than analogues, i.e. higher performance. There are two existed approaches for index-based regex search....

Lecture 12. The Aldol Reaction and the Michael Reaction.

James Nowick
UCI Chem 51C Organic Chemistry (Spring 2012) Lec 12. Organic Chemistry -- The Aldol Reaction and theMichael Reaction -- Instructor: James S. Nowick, Ph.D. Description: This is the third quarter course in the organic chemistry series. Topics covered include: Fundamental concepts relating to carbon compounds with emphasis on structural theory and the nature of chemical bonding, stereochemistry, reaction mechanisms, and spectroscopic, physical, and chemical properties of the principal classes of carbon compounds. Index of Topics:...

Modern Steel Products (2014) - Strengthening mechanisms: lecture 18

Bruno C. De Cooman
Professor de Cooman talks about strengthening mechanisms of particular phases or phase-mixtures. This is a part of a course of lectures given at the Graduate Institute of Ferrous Technology, POSTECH, Republic of Korea.

Der chinesische Restsatz Teil 2

Christian Spannagel
Vorlesung von Prof. Christian Spannagel an der PH Heidelberg.

How to conquer the world

Rogier Van Der Geer
Rogier van der Geer - How to conquer the world The popular board game of Risk has many fans around the world. Using a Python-based simulation of the game, we use a genetic algorithm to train a risk-playing algorithm. ----- During this talk we'll explain what genetic algorithms are and we'll explain an entertaining use-case: how to win at popular board games. During the talk we'll demo how object oriented patterns help with the design...

An HTTP request's journey through a platform-as-a-service

Giles Thomas
Giles Thomas - An HTTP request's journey through a platform-as-a-service PythonAnywhere hosts tens of thousands of Python web applications, with traffic ranging from a couple of hits a week to dozens of hits a second. Hosting this many sites reliably at a reasonable cost requires a well-designed infrastructure, but it uses the same standard components as many other Python-based websites. We've built our stack on GNU/Linux, nginx, uWSGI, Redis, and Lua -- all managed with...

Spreading-out of rigid-analytic families and observations on p-adic Hodge theory

Ofer Gabber
(Joint work with Brian Conrad.) Let K be a complete rank 1 valued field with ring of integers OK, A an adic noetherian ring and f: A→OK an adic morphism. If g: X→Y is a proper flat morphism between rigid analytic spaces over Kthen locally on Y a flat formal model of gspreads out to a proper flat morphism between formal schemes topologically of finite type over A. As an application one can prove that...

Analyzing Data with Python & Docker

Andreas Dewes
Andreas Dewes - Analyzing Data with Python & Docker Docker is a powerful tool for packaging software and services in containers and running them on a virtual infrastructure. Python is a very powerful language for data analysis. What happens if we combine the two? We get a very versatile and robust system for analyzing data at small and large scale! I will show how we can make use of Python and Docker to build repeatable,...

MADlib

Hitoshi Harada
An open source machine learning library on RDBMS for Big Data age MADlib is an open-source library for scalable in-database analytics. It provides data-parallel implementations of mathematical, statistical and machine learning methods for structured and unstructured data. The MADlib mission is to foster widespread development of scalable analytic skills, by harnessing efforts from commercial practice, academic research, and open-source development. The library consists of various analytics methods including linear regression, logistic regression, k-means clustering, decision...

Indoor Routing in Gebäuden des öffentlichen Verkehrs auf Basis von OpenStreetMap Daten

Thomas Jakubicka
In unserem Vortrag möchten wir unser Konzept der Indoor Navigation vorstellen und Erfahrungen und „Best Practices“ präsentieren die wir bei der Indoor Erfassung von Gebäuden des öffentlichen Verkehrs gemacht haben. In den letzten Jahren sind immer mehr Bestrebungen zu sehen, das Innenleben von öffentlichen Gebäuden kartografisch darzustellen. Gleichzeitig wird es natürlich auch immer interessanter diese zusätzlichen Informationen weiter zu verarbeiten. Ein für die Anwendbarkeit dieser Daten prädestiniertes Feld ist die Navigation innerhalb von Gebäuden des...

Modern Steel Products (2015) - lecture 5

Bruno C. De Cooman
A series of lectures on steels, given by Professor Bruno de Cooman, Graduate Institute of Ferrous Technology (GIFT), POSTECH, Republic of Korea

Building an open source imagery browser: UX and technical decisions to develop OpenAerialMap

Daniel Da Silva
Last summer the new OpenAerialMap launched. OpenAerialMap (OAM) is now providing access to open satellite, aerial, and UAV imagery around the world. Users can search through a web-based map browser, conduct geographic queries to an API, upload imagery to publish openly licensed imagery, and process imagery into tile map services. Searching through many sources of imagery in a usable way was one of the biggest challenges we saw when designing the system. We knew usability...

OpenBCI Primer

Conor Russomano
Conor Russomano, cofounder and CEO of OpenBCI, describes how his device works for NuPIC hackers.

Two-way-databinding on mobile applications with Yaga

Arne Schubert
This talk is about the Angular components of the early open source project Yaga. Angular serves an elegant and modern way to structure HTML-single-page-applications with its MV* pattern. Directives are one of the most powerful tools in Angular. Yaga provides directives for webmapping proposes, like the map itself, markers and different kind of layers. All directives are ready to use with two way data-binding. The main goal of Yaga is to harmonize it with Ionic....

Technische Mechanik - Linearisieren

Fachhochschule Lübeck Oncampus GmbH
Diese Animation stammt aus dem Kurs Technische Mechanik im Online Wirtschaftsingenieurwesen Fernstudiengang. Die Animation erläutert den Vorgang des Linearisierens.

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