chapter 4 - organizing information

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Web 2.0: Concepts and Application s 4 Organizing Information

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Page 1: Chapter 4 - Organizing Information

Web 2.0: Concepts

and Applications

4Organizing Information

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Overview

Information once stored physically now is becoming available digitally

Tagging is the process of assigning short, descriptive labels to digital information– Tag– Collaborative process– Many online services and Web applications support tagging

Social bookmarking is the process by which users post the URLs of their favorite Web sites online

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Overview

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Organizing Digital Information

Two popular approaches to organizing digital information– Hierarchical organization

• Dmoz

– Nonhierarchical organization• Delicious

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Organizing Digital Information

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Organizing Digital Information

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Organizing Digital Information

Storing files in folders on your personal computer uses hierarchical organization

Adding tags to your pictures uses nonhierarchical organization

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Organizing Digital Information

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Tagging Information on the Web

On the Web, you can tag items such as:– E-mail messages– Items in your news reader– Blog posts– Photographs– Articles or content of interest

You can associate a single item with multiple different tags

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Tagging Information on the Web

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Tagging Information on the Web

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Tagging as a Means of Collective Organization

Tagging can create associations between pictures, documents, or other digital information– Tags should be descriptive

Taxonomy is a methodical, scientific way of unambiguously classifying information

Folksonomy describes the collective result of different people individually applying tags to the same online content

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Tagging as a Means of Collective Organization

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Using Tagged Data

Tagged data enables the capability of recommending products to potential customers

Collaborative filtering is a method whereby predictions are made about one user’s interests by collecting and analyzing data from many users

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Sharing and Tagging Photos on Flickr

Flickr is a popular Web site for uploading, sharing, and organizing digital pictures and videos– You must first create an account in order to use

the service

Your collection of pictures on Flickr is called a photostream– Recently uploaded pictures are displayed first

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Sharing and Tagging Photos on Flickr

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Sharing and Tagging Photos on Flickr

Clicking on a photo displays that photo’s page

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Sharing and Tagging Photos on Flickr After uploading your

photos, you can organize them into sets based on the location or event

You also can view all of your assigned tags as a tag cloud

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Sharing and Tagging Photos on Flickr

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Adding a Flickr Badge to your Blog

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Syndicating Your Photos Using RSS

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Setting Creative Commons Licenses

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Adding Geotags

A geotag contains the latitude and longitude coordinates of where a photo was taken in order to plot it on a map

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Social Bookmarking with Delicious

Web browsers use different terminology to refer to the collection of favorite Web sites– Favorites– Bookmarks

You can organize your favorites and bookmarks into folders

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Social Bookmarking with Delicious

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Sharing and Tagging Bookmarks with Delicious

Delicious provides a way to store your bookmarks online– Must have an account

You can share your bookmarks with othersDelicious measures the popularity of a

particular Web page

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Sharing and Tagging Bookmarks with Delicious

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Interacting with Delicious

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Saving a Bookmark

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Saving a Bookmark

You can save others’ bookmarks into your collection

You can click on related tools to find other bookmarks that may be of interest

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Searching for Bookmarks

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Advanced Features of Delicious

Syndicating Bookmarks Using RSS

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Advanced Features of Delicious

Sharing Bookmarks with Other Users

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Advanced Features of Delicious

A linkroll displays the most recently added bookmarks on your blog or Web site

A tagroll displays your tags as a tag cloudTo display a linkroll or tagroll on your blog,

copy and paste the HTML code for the linkroll or tagroll from the Delicious Web site into the HTML editor

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Advanced Features of Delicious

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Advanced Features of Delicious

Encouraging Users to Tag Your Content on Delicious

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Summary

Tagging allows individuals to use keywords to describe digital information

Several Web sites allow users to organize digital content using tags– Flickr

Search engines and tag-based searches Both Flickr and Delicious promote the use of tags to

describe and organize content in ways that are personally relevant

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Web 2.0: Concepts

and Applications

4Organizing Information

Chapter 4 Complete