Upload
konrad-foerstner
View
1.285
Download
0
Embed Size (px)
DESCRIPTION
Citation preview
Preface Principles and terms Important technologies/services Applications Problems Sources
Principles and tools of the social webAn introductory seminar
Dr. Konrad U. Forstner
February 19th, 2010 @ EBI, Hinxton, UK
Preface Principles and terms Important technologies/services Applications Problems Sources
Table of content
1 Preface
2 Principles and terms
3 Important technologies/services
4 Applications
5 Problems
Preface Principles and terms Important technologies/services Applications Problems Sources
Table of content
1 Preface
2 Principles and terms
3 Important technologies/services
4 Applications
5 Problems
Preface Principles and terms Important technologies/services Applications Problems Sources
Preface
You get no handouts as
... we want to save trees
... you will get these slides as a PDF file
... links work pretty bad on paper
Preface Principles and terms Important technologies/services Applications Problems Sources
Preface
Terms
“Social web”, “Web 2.0” (strongly promoted by O’Reilly),“Collaborative web”
Very fuzzy definition
No big difference to Tim Berners-Lees basic idea of aread-and-write web
Preface Principles and terms Important technologies/services Applications Problems Sources
Table of content
1 Preface
2 Principles and terms
3 Important technologies/services
4 Applications
5 Problems
Preface Principles and terms Important technologies/services Applications Problems Sources
Everybody can be a sender
Improved usability
Low technical and financial barriers
Easy to use rich desktop-like applications (e.g. due to AJAX)
Preface Principles and terms Important technologies/services Applications Problems Sources
User generated content
Collaborative creation
“Wisdom of crowds”
“Crowd-sourcing”
Preface Principles and terms Important technologies/services Applications Problems Sources
Network effect
More participants = more value per participant
Preface Principles and terms Important technologies/services Applications Problems Sources
Reusability / Mash-ups
Open standards + APIs
The web as platform
E.g. RSS “Really Simple Syndication”
Content + meta dataMakes following and sharing of content easy
Preface Principles and terms Important technologies/services Applications Problems Sources
The importance of data
... increases
Preface Principles and terms Important technologies/services Applications Problems Sources
Open licenses
Classic copyright limits the sharing and extension of culturalgoods
Creative commons licenses (a.o.) free content
⇒ “Share, Remix, Reuse - Legally”
Preface Principles and terms Important technologies/services Applications Problems Sources
Functions/user groups change
Many web services / tools are used in a different way and bydifferent people than planned in the beginning
Preface Principles and terms Important technologies/services Applications Problems Sources
The long tail
Critical mass easier reachable
Solutions for niche target groups become feasible
Preface Principles and terms Important technologies/services Applications Problems Sources
Folksonomy
Social classification and tagging of items
Preface Principles and terms Important technologies/services Applications Problems Sources
Social graph
Abstraction of human relationships
Node - individuals or groupsEdges - social relationships like friendships
Preface Principles and terms Important technologies/services Applications Problems Sources
Some business models
Advertisement
Freemium - basic service for free, extras for a fee
Trend spotting
None - waiting to be bought by big player (e.g. Google)
Preface Principles and terms Important technologies/services Applications Problems Sources
Some more recent developments
The real-time web
Location based services
Add-on: combined with augmented reality
Semantic markup
Data portability / distributed networks
Preface Principles and terms Important technologies/services Applications Problems Sources
Table of content
1 Preface
2 Principles and terms
3 Important technologies/services
4 Applications
5 Problems
Preface Principles and terms Important technologies/services Applications Problems Sources
Blogs
Web log
Structure of a blog post
TitleAuthor(s)ContentCommentsTags/CategoriesPermalink
Preface Principles and terms Important technologies/services Applications Problems Sources
Blogs
Blogroll
Linkback (Refback/Trackback/Pingback)
Example types of blogs
EdublogTravelblogArtblogOpen lab journalCorporateblog
Preface Principles and terms Important technologies/services Applications Problems Sources
Blogs
Self-hosted software like Wordpress, Habari
Blog services like Blogger.com, Livejournal
Preface Principles and terms Important technologies/services Applications Problems Sources
Podcasts
Blogs/Feeds that mainly/only link audio or video files
Preface Principles and terms Important technologies/services Applications Problems Sources
Wikis
Collaborative content generation and management
Examples: Wikipedia, Wikitravel
Preface Principles and terms Important technologies/services Applications Problems Sources
Social network services
Some examples
Managing your social graph
General: Facebook, Friendster
Business: LinkedIn, Xing
Science: Nature network, BiomedExperts
Hospitality: Couchsurfing, Be Welcome
Mobile: Foursquare, brightkite
Create your own one: Ning
Preface Principles and terms Important technologies/services Applications Problems Sources
Media sharing platforms
Images: Flickr, Picasa
Videos: YouTube, Vimeo
Slides (and publications): e.g. Slideshare, Nature preceedings
Preface Principles and terms Important technologies/services Applications Problems Sources
Social tagging
URLs: delicious, simpy
News: digg, reddit
Publications: CiteULike, Connotea
Preface Principles and terms Important technologies/services Applications Problems Sources
Microblogging
Usually limited number of characters per messages
Real-time updates and searches
Preface Principles and terms Important technologies/services Applications Problems Sources
Microblogging
Best known - Twitter
140 characters per message
Tweet, retweets
Hashtags
Connection not necessarily bidirectional
followers and following
URL shorteners like bit.ly or is.gd gained popularity
Preface Principles and terms Important technologies/services Applications Problems Sources
Aggregators
Bundling and sharing of users’ online activities
E.g. FriendFeed, Cliqset
Preface Principles and terms Important technologies/services Applications Problems Sources
Table of content
1 Preface
2 Principles and terms
3 Important technologies/services
4 Applications
5 Problems
Preface Principles and terms Important technologies/services Applications Problems Sources
Source of news
Easy individual selection of info streams
Social filtering
Serendipitous discovery
Preface Principles and terms Important technologies/services Applications Problems Sources
Getting solutions
Asking question at general or specialized platforms
“Dear lazyweb ...”
E.g. Aarkvard, Sciencestack
Preface Principles and terms Important technologies/services Applications Problems Sources
Knowledge exchange and management
E.g. a wiki in an institute
E.g. shared link and publication collections in a group
Preface Principles and terms Important technologies/services Applications Problems Sources
Building and maintaining communities
Spreading news
Harvesting feedback and proposals
Preface Principles and terms Important technologies/services Applications Problems Sources
Identity building and reputation management
For individuals or organisations
Preface Principles and terms Important technologies/services Applications Problems Sources
Open Science
Publishing raw results
Open lab journals
Preface Principles and terms Important technologies/services Applications Problems Sources
Table of content
1 Preface
2 Principles and terms
3 Important technologies/services
4 Applications
5 Problems
Preface Principles and terms Important technologies/services Applications Problems Sources
Walled gardens and data lock-in
Missing data portability
Users give rights to the site owner
Preface Principles and terms Important technologies/services Applications Problems Sources
Private data, privacy, identity
Once in the web - hard to get out again
Identity theft
Preface Principles and terms Important technologies/services Applications Problems Sources
Community management is tough
Critical mass, rules, permissions, work flow, complaints, consensus,vandalism, conflicts, attribution, discussion ...
Preface Principles and terms Important technologies/services Applications Problems Sources
Interruptions
Frequent notifications = perfect productivity killer
Solution: Have fixed times for checking news
Preface Principles and terms Important technologies/services Applications Problems Sources
Image sources/attribution
http://www.flickr.com/photos/library_of_congress/2179910918/
http://www.flickr.com/photos/calliope/72949751
http://commons.wikimedia.org/wiki/File:Wikinews_Broadcast_Studio.jpg
http://commons.wikimedia.org/wiki/File:Criminal_brains.jpg
http://www.flickr.com/photos/truthdevelopment/2249491026/
http://www.flickr.com/photosm/stylianosm/3989939286/
http://www.flickr.com/photos/86399392@N00/109404222
http://wiki.creativecommons.org/images/6/62/Creativecommons-informational-flyer_eng.pdf
http://www.flickr.com/photos/96302395@N00/2514147406
http://en.wikipedia.org/wiki/File:Long_tail.svg
http://www.flickr.com/photos/marksurman/3604105727/
http://www.flickr.com/photos/library_of_congress/2162922839/
http://www.flickr.com/photos/marksurman/3604105727/
http://www.flickr.com/photos/tinfoilraccoon/197640807
http://commons.wikimedia.org/wiki/File:Future73nb.jpg
http://www.flickr.com/photos/30360780@N02/3420795034/
Preface Principles and terms Important technologies/services Applications Problems Sources
Image sources/attribution
http://commons.wikimedia.org/wiki/File:His_Master’s_Voice.jpg
http://commons.wikimedia.org/wiki/File:Chiodini_wiki.jpg
http://www.flickr.com/photos/library_of_congress/2163151837/
http://commons.wikimedia.org/wiki/File:Burmese_music_casette_tapes,_Yangon,_Myanmar.jpg
http://flickr.com/photos/marksurman/3604105727/
http://commons.wikimedia.org/wiki/File:Neunt\protect\grmnU@D1ex\setbox\z@
\hbox\char127\[email protected]\advance\dimen@\ht\z@\fontdimen5\font\dimen@\accent127\
fontdimen5\font\grmnU@Do\penalty\@M\hskip\z@skipter_gr.jpg
http://www.flickr.com/photos/library_of_congress/2179931690/
http://www.flickr.com/photos/bravenewtraveler/2278115499/
http://www.flickr.com/photos/ccacnorthlib/3554628032/
http://commons.wikimedia.org/wiki/File:Team_touching_hands.jpg
http://www.flickr.com/photos/fazen/3778408/
http://www.flickr.com/photos/cambodia4kidsorg/3807807369/
http://www.flickr.com/photos/jurvetson/128239619/
http://www.flickr.com/photos/russellbernice/261188642/
Preface Principles and terms Important technologies/services Applications Problems Sources
About this document
Created in LATEX using the beamer class, TeX Live, Emacs and gimp.
All these programs run on OpenBSD.
http://www.latex-project.org
http://latex-beamer.sourceforge.net
http://www.tug.org/texlive/
http://www.gnu.org/software/emacs
http://www.gimp.org/
http://www.openbsd.org
Published under the Creative Commons Attribution 3.0 License (*)http://creativecommons.org/licenses/by/3.0/
by Konrad Forstnerhttp://konrad.foerstner.org
(*) Excepting the EMBL Logo
Document version 1.0 2010/02/19