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07A - Néodocument : Métadonnées (CN15-16) (Vidéo)

Cours commun de culture numérique 2015-2016 - Hervé Le Crosnier

M1-DNR2i, Licence Professionnelle ATP, M1-EMT, M1-ESPE, M2-MDS, M2-Green

Amphi S3-049, Bâtiment Sciences S3, Campus Côte de Nacre

Le vendredi, de 14h à 16h

Ces cours sont ouverts aux auditeurs libres

Ces cours sont filmés par le CEMU (Centre d’Enseignement Multimédia Universitaire)


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Metric spaces and continuity
This free course contains an introduction to metric spaces and continuity. The key idea is to use three particular properties of the Euclidean distance as the basis for defining what is meant by a general distance function, a metric. Section 1 introduces the idea of a metric space and shows how this concept allows us to generalise the notion of continuity. Section 2 develops the idea of sequences and convergence in metric spaces. Section 3 builds on the ideas from the first two sections to formu
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Except for third party materials and otherwise stated (see http://www.open.ac.uk/conditions terms and conditions), this content is made available under a http://creativecommons.org/licenses/by-nc-sa/2

2.3 The key skills framework

In this course each key skill section uses a common three-stage framework to help you develop your skills. The stages of this framework are:

  • developing a strategy for how you are going to tackle the key skill;

  • monitoring your progress as you develop your skills;

  • evaluating the strategy you have used and presenting outcomes of your work.

But working on your skills and techniques
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6.1 What is a pie chart?

A pie chart is a circular chart (pie-shaped); it is split into segments to show percentages or the relative contributions of categories of data.

6.1.1 When are pie charts used?

A pie chart gives an immediate visual idea of the relative sizes of the shares of a whole. It is a good method of representation if you wish to compare a part of a group with the whole group. You could us
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2.2 What it's like

Suppose you have just had a dental procedure under general anaesthetic and are coming round. You are aware of a dazzling light above you and of a muffled voice echoing in your ears. There is sickness in your stomach and a sharp metallic taste in your mouth. You feel a moment of panic as you struggle to work out what has happened. Moving your head, you recognise the dentist's face and realise that he is speaking your name and asking if you want a glass of water. Your remember where you are, si
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Revision and examinations
Do you get stressed at the thought of an examination? Does the idea of revision fill you with dread? This free course, Revision and examinations, will provide a host of tips to help you improve your revision and examination techniques and enable you to manage your time effectively by creating a timetable for your revision. First published on Fri, 01 Apr 2016 as Author(s): Creator not set

Water in Ethiopia
In Ethiopia, 65% of people don’t have access to clean drinking water. In this album we take a glimpse at the struggles Ethiopians go through each day, just to survive. We look closely at the different methods used to improve the quality of life in the rural highlands as well as the conflict between neighbouring farming villages attempting to share the same water supply. This material forms part of the course U116 Environment: journeys through a changing world.Author(s): The iTunes U team

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2.2 What are signals?

To convey data from one point to another we need to represent the data by means of a signal. We can think of a signal as a deliberate variation in some property of the medium used to convey the data. Some examples are:

  • an electrical voltage travelling along copper wires between your telephone and the local exchange;

  • pulses of light (though we might not be able to see them) in a fibre-optic cable;

  • the radio emissions t
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Art History in a Hurry - Mona Lisa
This is a fascinating video about this famous painting. Wouldn't you like to know why she has no eyebrows? (02:17)
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Keep on learning

Study another free course

There are more than 800 courses on OpenLearn for you to c
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Medicine I
This course teaches the dental student basic medicine skills, from History Taking to the Physical Examination. It provides concise practical information about patient assessment, symptoms and signs of common diseases, laboratory tests, and pharmacology and prescription writing.
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This Land Is Your Land, This Land Is My Land
In this activity, students will review and evaluate the ways land is covered and used in their local community. They will also consider the environmental effects of the different types of land use. Students will act as community planning engineers to determine where to place a new structure that will have the least affect on the environment.
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Internet Scout Project
The Earth Resources Observation Systems' Data Center of the US Geological Survey also maintains the Land Processes Distributed Active Archive Center to "process, archive, and distribute land-related data". The Center disseminates this data, collected by various satellite and aerial sensors, which include surface reflectances, land surface temperature, global geolocation angle, vegetation indices, thermal anomalies, leaf area index, net vegetation production, pointer files, and more. The data com
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As part of the United States Department of Agriculture (USDA), the Natural Resources Conservation Services State of the Land Web site provides analysis products to the public. The latest release of nearly fifty maps have been made available, consisting mainly of agriculturally related information, such as percent of prime farmland used as cropland and pastureland in the United States. Other topics include land use cover by state and percent of non-federal area in water. All maps are downloadable
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Internet Scout Project
As part of the United States Department of Agriculture (USDA), the Natural Resources Conservation Services State of the Land Web site provides analysis products to the public. The latest release of nearly fifty maps have been made available, consisting mainly of agriculturally related information, such as percent of prime farmland used as cropland and pastureland in the United States. Other topics include land use cover by state and percent of non-federal area in water. All maps are downloadable
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Internet Scout Project
The Atlas of Canada Web site is maintained by the governmental Natural Resources Canada Agency. This excellent interactive mapping and informational device lets users choose from dozens of topics to map such as geology, hydrology, land cover, glaciers, wetlands, natural hazards, and sea ice, as well as several others such as people and society, economic, health, and more. Once a map loads, users can zoom in and out, pan directions, get statistics about a point of interest, and get information fr
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The Atlas of Canada Web site is maintained by the governmental Natural Resources Canada Agency. This excellent interactive mapping and informational device lets users choose from dozens of topics to map such as geology, hydrology, land cover, glaciers, wetlands, natural hazards, and sea ice, as well as several others such as people and society, economic, health, and more. Once a map loads, users can zoom in and out, pan directions, get statistics about a point of interest, and get information fr
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Internet Scout Project
The United States Geological Survey's Learning Web site Working with Maps contains a complete Web-based lesson for students between grades 5 and 8. The site introduces the basic concepts related to cartography, including the definition of a map, various map types, and information that you can find on them. Printable activity sheets are available for download, covering four lessons: Introduction to Maps, Some Things You Need to Know to Read a Map, What You Can Learn From a Map, and How to Read a
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The Plymouth State Weather Center offers the latest observations and forecasts for the United States and Southern Canada. By simply selecting a state, individuals can find data on the temperature, wind direction and speed, cloud cover, and other weather information for stations throughout the selected region. The website provides a state forecast as well. The map on the homepage allows users to observe the overall weather patterns throughout the continental United States and Southern Canada.
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Problem Solving for Immunization Programs
Countries around the world - even those at war - are collaborating to ensure that children under the age of five don't die from diseases for which vaccines are available. In the past twenty years, global vaccine coverage has surpassed eighty percent, and a second disease, polio, is nearly eradicated. In the United States, coverage rates are even higher, and vaccine-preventable diseases are now rare. Never have so many resources been focused on immunization - yet problems remain. Additional, high
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