social web for vu dagje studeren
DESCRIPTION
Slides for the Social Web lecture for prospective students. Includes material from Lora Aroyo and Marieke van ErpTRANSCRIPT
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The Social WebThe Social Web
Dagje Studeren IMM 25-2-2014Dagje Studeren IMM 25-2-2014Victor de BoerVictor de Boer
(met slides van Lora Aroyo en Marieke van Erp)(met slides van Lora Aroyo en Marieke van Erp)
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Our goal is to …
understand the practices, implications, culture, & meaning of the sites, as well as
users' engagement with them
include this understanding as part of software engineering for the new social
worldagapegeek.com
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In Social Web course to goal is to understand & try out how the Social Web works
• What IS the Social Web?
• What do people DO on the Social Web?
• How is DATA on the Social Web ACCESSED?
• How is DATA on the Social Web STUDIED?
• What are typical Social Web APPLICATIONS?
• What are CHALLENGES on the Social Web?
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What is the Social Web?
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Social Web = Social + Web
Images: http://www.flickr.com/photos/johnkay/3182986643/sizes/m/in/photostream/http://farm5.staticflickr.com/4132/4831892926_99a2cc1db6_t.jpg, http://www.flickr.com/photos/dizfunk/3066153143/sizes/m/in/photostream/
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Social Web = Web 2.0 ?
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Social Web: A History
http://infographicsmania.com/social-media-a-history/CedrineMarrouat.com
Social Web History
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Classmates.com (1995)SixDegrees.com (1997)Friendster (2002) MySpace, Bebo, Facebook (2004)
Social networking sites are Web sites that allow people to stay connected with other people in
online communities
Social networking sites are Web sites that allow people to stay connected with other people in
online communities
Social media sites are Web sites that allow people to share
UCCs.
Flickr (2004)Youtube (2005)
Social Web = Social Networking + Social Media sites
General-purpose, e.g. Facebook, LinkedIn
Vertical, e.g. Dogster, Couchsurfing
Media types, e.g. Flickr
(photos), Last.FM (Music), YouTube (video)
(open vs. closed) (open vs. closed)
Won Kim, Ok-Ran Jeong, Sang-Won Lee (2010). On social Web sites. Information Systems 35, 215–236
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Another view
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aka User Generated Content
material on websites that is produced by the users of the website.
little or no cost for uploading user-generated content
Exabytes of content
Re-mix culture
Collaborative creation
User Created Content
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http
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2010
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The Big Ones
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2004: Facebookdistinct college networks only
(Harvard-only SNS)
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2005: Facebookincluding other universities, high school
students, professionals inside corporate networks, and, eventually - everyone
ability for outside developers to build "Applications"
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2007: Facebook API
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2010: Facebook Open Graph
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2012: Facebook goes public
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Global vs. Local
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Global vs. Local
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• MySpace: US & abroad
• Friendster: Pacific Islands
• Orkut: Brazil, India
• Mixi: Japan
• LunarStorm: Sweden
• Hyves: NL
• Grono: Poland
• Hi5: South America, Europe
• Bebo: UK, New Zealand, Australia
• QQ: China
• Cyworld: Korea
• Skyrock: France
• Windows Live Spaces: Mexico,
• Italy, and Spain
Diversity in Cultures
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It’s not all fun and games...
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Source: http://infosthetics.com/archives/2011/12/all_the_information_facebook_knows_about_you.html
See also: http://www.youtube.com/watch?feature=player_embedded&v=kJvAUqs3Ofg
A Single Person
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Privacy: Awareness not Paranoia
"privacy paradox" = lack
of awareness of the public
nature of Internet
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“Dogs urinating on everything”
“Landscapers in Liliburn, GA”
“Bob Arnold”
“Homes sold in shadow lake
subdivision gwinnet county”
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• Legal still in its infancy, but courts do rule on new behavior
• fourth amendment to the U.S. Constitution & legal decisions concerning privacy are not equipped to address social network sites
• e.g., do police officers have the right to access content posted to Facebook without a warrant?
• Truthfulness of personal profiles has become a subject of debate
• Privacy hard to understand (few read Terms) and misinterpret ‘Friends’
Privacy concerns
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security from people (sex offenders)
security of computers and data
With enormous numbers of users and enormous amounts of data, sites are natural targets of spammers, and phishing and malware attacks (‘new friend malware’, ‘twitter spam’ etc.)
Security
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Social Web Analysis
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http://flowingdata.com/2011/07/25/brand-sentiment-showdown/
Great Meh
Good Yuck
Love Stale
Like Hate
Fun Blegh
Nice Sucks
Tasty Too late
Sentiment / Brand analysis
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Bernardo Huberman, HP Labs
$ 100 M $ 30 M
?$ 26 M
Movie success prediction
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Bernardo Huberman:http://www.slideserve.com/presentation/15373/Bernardo-Huberman-HP-Labs
Trend Analysis
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Log-normal distribution
Exponential decay (story half-life = 69
min)http://www.slideshare.net/supernovahub/huberman-supernova-2008
Attention on the Social Web
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Recommendation networks
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codenametech.com
Languages of Twitter
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• Twitter profile vs. Facebook profile?
• Find friends on different networks?
• How does LinkedIn facilitate the forming & joining of groups? FB? Google+? Others?
• Pros & cons of (a)symmetry of friendship?
• Twitter vs. Facebook vs. Flickr vs. Vine differences in terms facilitating communication?
• How often do you experience problems of duplication of content shared across different sites?
• FB vs Google+ actions for retaining users?
Reflections
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Where do YOU come in
•understand the practices, implications, culture & meaning of the sites, as well as users' engagement with them
•learn how to use this knowledge in designing successful social web applications
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Hands-on Teaser
• Visualise your Facebook Network
• Tag Cloud of your wall posts
• Analyse what’s trending on Twitter and how people talk about certain topics
image source: http://www.flickr.com/photos/bionicteaching/1375254387/