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Lecture 1 Jan 08, 2008

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Page 1: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Lecture 1Jan 08, 2008

Page 2: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Outline

Course logisticsIntroducing tools to be used in the courseOverview of Social Web and Web 2.0

DefinitionHistoryKey elementsExample applications

Page 3: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Logistics

Weekly CourseworkAssignmentsFinal Project

Page 4: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Weekly Coursework

Assigned reading2 papers out of 4-6 assigned readings for two

topics per week

Response to assigned reading2 postings

A critique, an elaborated question creating discussion, or a reply to earlier posts

To be posted by Sunday midnight before the class in Comtella-D

15% of the grade

Page 5: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Weekly Coursework

Learning journal Reflection of what you have learned about the

topics covered last weekAbout one paragraphTo be posted by the next class on your blog

8% of the grade

Page 6: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Weekly Coursework

Resource sharingFinding 2 interesting resources (a system, a

video, a blog posting, a comic, etc.) related to either topics discussed every class

Include a short remark describing the resource

To be posted by the next class in Umtella

5% of the gradeShow and Tell

2 times throughout the semesterPresents the resources you have found to class

5% of the grade

Page 7: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Assignments & Final Project

AssignmentsCreating “About You” on Facebook (2%)Programming assignment using social web

technologies (10%)Before midterm

Comprehensive study of several social systems (15%)

Midterm

Final projectGroup projectMash-ups, Facebook APIs, DRUPAL, … (40%)

Page 8: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Facebook

Social networkingUser InteractionCreating and Sharing of content

PurposeAbout You

URL: www.facebook.com

Page 9: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Wordpress Blog

WeblogSoftware tools allowing easy creation of a website

PurposePersonal learning journal

URL: www.wordpress.com

Page 10: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Wiki

Collaborative development of a websitePurpose

Summary of lectures

Sample wikihttp://ir.exp.sis.pitt.edu/paws_resources/index.php/Main_Page

Page 11: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Umtella

PurposeResource sharing

URL: http://umtella.usask.ca/um

Page 12: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Comtella-D

Discussion forumPurpose

Postings on assigned readingsURL

http://fire.usask.ca/Login.aspx

Page 13: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

CoPE

Paper summary sharing sitePurpose

Post summaries of core topic papersURL: http://adapt2.sis.pitt.edu/cope/

Page 14: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

CiteULike

Research paper sharing sitePurpose

Post discovered relevant papers

URL:http://www.citeulike.org/

Page 15: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Social Web

What do you think?

Page 16: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

The Social Web

Open global distributed data sharing network similar to today's World Wide Web, except instead of linking documents, the Social Web will link people, organizations, and concepts.

Page 17: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Coverage of Social Web in Media

Page 18: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Web 2.0

Term was introduced following the first O'Reilly Media Web 2.0 conference in 2004

By September 2005, a Google search for Web 2.0 returned more than 9.5 million results

Next generation web exploiting user-generated content in sophisticated and powerful way

Web 2.0 video by Tim OR’eilly (http://youtube.com/watch?v=CQibri7gpLM)

Page 19: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

What Web 2.0 is and what is not

Semantic web

Collection of new web technologies

Innovative applications of existing

technologies

blogs, wikis, and RSS

Living Web Read-Write Web

Page 20: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

What is Web 2.0

Web 1.0 Web 1.0

Web 2.0

Semantic Web

User Centric

Data Centric

Fun Video on YouTube (http://youtube.com/watch?v=XPYLn2QblNI)

Page 21: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Key Elements

What comes to your mind first when you think about web 2.0?

Page 22: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Key Elements

1. Collective IntelligenceThe web of connections

grows organically as an output of the collective activity of all web users

Critical mass of participation act as filtering what is valuable

Page 23: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

User reviews on Amazon.com

Page 24: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Key Elements

• 25%-40% of Amazon’s sales• 1/5 of netflix rentals comes

from not top 3000 movies

2. Long TailFirst coined by Chris Anderson (2004)

“Businesses with distribution power can sell a greater volume of otherwise hard-to-find items at small volumes than of popular items at large volumes. “

Majority of truly relevant information available on the web is not on the well known web servers

Page 25: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Key Elements

3. Data ReuseUsage of APIs (Application Programming

Interfaces)Mash-ups

programming on the web

High level of abstraction

Page 26: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key
Page 27: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Successes

Amazon.com Winning over competitors by engaging users

Page 28: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Successes

Google PageRank search algorithmUsing the link structure of the web

Page 29: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key
Page 30: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Successes

eBayCollective activity of all its users

Page 31: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Time-bar of Web 2.0

Page 32: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Collaboration & Collective Intelligence

Intelligence that emerges from collaboration of many individuals

Social navigationNavigation towards cluster of peopleNavigation because other people have looked at

somethingFollowing footprint of others

Collaborative browsingNavigation of the Internet by several people

sharing the same information seeking goal and interests

Page 33: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Community based Systems

Harnessing the power of the community to create and structure new informationCommunity based web searchCommunity based browsing

1

10Synthesizers

100consumers

creators

Page 34: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Technologies

RSSReally Simple SyndicationXML based metadata contentProvides updates when the content is modified

Web services"a software system designed to support interoperable Machine to Machine

interaction over a network." SOAP

Simple Object Access ProtocolA protocol for exchanging XML-based messages over computer networks,

normally using HTTP/HTTPSAjax

Asynchronous JavaScript and XMLA group of inter-related web development techniques used for creating

interactive web applicationsMash-up

A web application that combines data from more than one source into a single integrated tool

Page 35: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Social Technologies

FolksonomyCollaborative tagging

The practice and method of collaboratively creating and managing tags to annotate and categorize content

Page 36: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Social Technologies

PodcastingiPod + BroadcastA collection of digital media files which is

distributed over the Internet using syndication feeds for playback on portable media players and personal computers

Page 37: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Famous Web 2.0 Applications

WikipediaLaunched in 2001Largest and fastest growing, and most popular reference workAs of December 2007

9 ¼ million articles in 253 languages2,154,000 articles in English

Page 38: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Famous Web 2.0 Applications

Delicious & FlickrPioneered the concept of folksonomy

Collaborative categorization using freely chosen keywords (tags)

Page 39: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Famous Web 2.0 Applications

CloudmarkCollaborative spam filtering

Aggregate the individual decisions of email users

Page 40: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Famous Web 2.0 Applications

SourceForge.netPeer-production methods of open source software projects

Page 41: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Future

2.0 2.0

Page 42: Lecture 1 Jan 08, 2008. Outline Course logistics Introducing tools to be used in the course Overview of Social Web and Web 2.0 Definition History Key

Reading for next class

Social Navigation1. Footprints: history-rich tools for information

foraging (http://www.citeulike.org/user/brusilovsky/article/518781)

2. Supporting Social Navigation on the World-Wide-Web (http://www.citeulike.org/user/claudioferreira/article/86730)

Social Search