Entretenir un blog : conseils et bonnes pratiques. SeoQuake : tutoriel détaillé, par Olivier Duffez. Par Olivier Duffez, Lundi 30 août 2010 Parmi les nombreuses extensions Firefox d'aide au référencement, SEO Quake figure en bonne place depuis déjà longtemps.
Alors qu'on détaille son utilisation en formation aux outils SEO, je ne l'avais pas encore décrit sur WebRankInfo. Exploiting Facebook Open Graph to Email Your Facebook Followers. I’ve been testing out a ton of different ways to target people through Facebook’s advertising platform recently.
During my testing, I got a little sidetracked and started looking at ways to not only email your own Facebook followers, but also the followers of your competitors. Sound good? …I thought so. Let’s get started then. Extracting the UIDs of Your Followers. Mapping Twitter Topic Networks: From Polarized Crowds to Community Clusters. Polarized Crowds: Political conversations on Twitter Conversations on Twitter create networks with identifiable contours as people reply to and mention one another in their tweets.
These conversational structures differ, depending on the subject and the people driving the conversation. Six structures are regularly observed: divided, unified, fragmented, clustered, and inward and outward hub and spoke structures. These are created as individuals choose whom to reply to or mention in their Twitter messages and the structures tell a story about the nature of the conversation. If a topic is political, it is common to see two separate, polarized crowds take shape.
While these polarized crowds are common in political conversations on Twitter, it is important to remember that the people who take the time to post and talk about political issues on Twitter are a special group. School of Webcraft. It's even more Peer Powered We know learning is more fun with friends.
We've kept the best part of the School of Webcraft and made it the core of everything we do to #TeachTheWeb. We work alongside our peers, ask each other for help, and offer expertise to those in need. The Webmaker Community supports each other in our community forum. Escuela De Datos - evidencia es poder. Notas de AbreLataM. Tutorial Scraping Santiago de Chile. Alangrafu/escueladeinvierno13. ScraperWiki. Data Scraping Wikipedia with Google Spreadsheets. Prompted in part by a presentation I have to give tomorrow as an OU eLearning community session (I hope some folks turn up – the 90 minute session on Mashing Up the PLE – RSS edition is the only reason I’m going in…), and in part by Scott Leslie’s compelling programme for a similar duration Mashing Up your own PLE session (scene scetting here: Hunting the Wily “PLE”), I started having a tinker with using Google spreadsheets as for data table screenscraping.
So here’s a quick summary of (part of) what I found I could do. The Google spreadsheet function =importHTML(“”,”table”,N) will scrape a table from an HTML web page into a Google spreadsheet. The URL of the target web page, and the target table element both need to be in double quotes. The number N identifies the N’th table in the page (counting starts at 0) as the target table for data scraping. Grab the URL, fire up a new Google spreadsheet, and satrt to enter the formula “=importHTML” into one of the cells: OutWit - Hub Tutorials. Scrape anyone’s Twitter followers. Words are important, people more so.
Following our popular tool which makes it easy to scrape and download tweets, we’re pleased to announce a new one to get any Twitter account’s followers. To use it, log into ScraperWiki, choose “Create a new dataset” then pick the tool Then enter the name of the user you want (with or without the @). If they have a lot of followers it will take a few hours. (And it’ll keep updating after that, so the data is always fresh) Meanwhile you can use other tools to view the data, download it to Excel and more. For example, using the “Summarise this data” tool, this is what the people who follow @samuelpepys are into in their Twitter bios.
Or, using the “View in a table” tool, here are my followers who mention Python in their bios, sorted by popularity. Scraping the web. Photo credit: Sharilyn Neidhart School of Data is re-publishing Noah Veltman‘s Learning Lunches, a series of tutorials that demystify technical subjects relevant to the data journalism newsroom.
This Learning Lunch is about web scraping: automatically extracting data from web pages. Web scraping refers to the practice of writing code that will load a web page in order to extract some information from it automatically. Ben Gans : cour Data Journalism. Knight Center for Journalism in the Americas. Data journalism: how to find stories in numbers. Colleagues often ask me what data journalism is.
They're confused by why it needs its own name — don't all journalists use data? The term is shorthand for 'database journalism' or 'data-driven journalism', where journalists find stories, or angles for stories, within large volumes of data. It overlaps with investigative journalism in requiring lots of research, sometimes against people's wishes. Cartographier vos informations avec Gephi. Aujourd’hui, je vais vous présenter un outil très puissant d’analyse de l’information, le logiciel Gephi.
Cet outil va vous permettre de représenter sous forme de cartographie des données brutes et de les analyser. Les experts disent que cet outil est à l’analyse de l’information ce que Photoshop est à la retouche d’image : C’est un outil complexe, mais donnant des résultats impressionnants. Gephi est encore assez peu connu en France, et qui est utilisé par des experts en entreprise.
Les informations disponibles sur son fonctionnement sont assez peu nombreuses, et j’ai eu du mal à réunir les éléments que je vais vous présenter aujourd’hui. Mon objectif est donc de vous présenter cet outil en le simplifiant au maximum et en centralisant les informations qui vous seront nécessaires pour l’utiliser. Facebook friends network mapping: a Gephi tutorial. Gephi is a powerful social network modelling tool.
It also has the great advantage of simplicity: there is no need of any special skills to use it, except curiosity! This tool is used in a large number of contexts, which is why it took us to heart to propose a guide, fit to a wide audience. Explorer son réseau Facebook avec sigma.js. Vidéos du séminaire cartographie au Maroc. Excel / csv converter to network - Gephi Marketplace. This plugin helps transform your Excel files (or csv files) into a network, directly imported into Gephi. You can choose which entities, and which relations, form the network. 1. Quick how-to - Install the plugin in Gephi (File -> Tools -> Plugins -> Available). - Restart Gephi In the Gephi menu, select File -> Import Spigot. - Select “Data importer” - Get your Excel file ready!
2. The plugin gives you the possibility to create network of two types of entities. 30 opérateurs Google pour affiner ses recherches. Rechercher des informations sur Google, c’est très facile. Mais dans certains cas, les requêtes classiques ne sont pas suffisantes. Google propose heureusement de nombreuses astuces pour affiner la recherche. Parmi celles-ci, les opérateurs de recherche sont très pratiques. Introduction au logiciel R.