This document provides an overview of principles, terms, technologies, applications and problems related to the social web. It begins with introductory sections on principles like user-generated content and network effects. Important technologies covered include blogs, wikis, social networks and microblogging. Applications discussed are news/information sharing, communities and identity/reputation. Problems addressed are data lock-in, privacy and community management challenges.
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Social Web Seminar Introduction
1. Preface Principles and terms Important technologies/services Applications Problems Sources
Principles and tools of the social web
An introductory seminar
Dr. Konrad U. Fšrstner
o
February 19th, 2010 @ EBI, Hinxton, UK
2. 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
3. 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
4. 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 ïŹle
... links work pretty bad on paper
5. Preface Principles and terms Important technologies/services Applications Problems Sources
Preface
Terms
âSocial webâ, âWeb 2.0â (strongly promoted by OâReilly),
âCollaborative webâ
Very fuzzy deïŹnition
No big diïŹerence to Tim Berners-Lees basic idea of a
read-and-write web
6. 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
7. Preface Principles and terms Important technologies/services Applications Problems Sources
Everybody can be a sender
Improved usability
Low technical and ïŹnancial barriers
Easy to use rich desktop-like applications (e.g. due to AJAX)
8. Preface Principles and terms Important technologies/services Applications Problems Sources
User generated content
Collaborative creation
âWisdom of crowdsâ
âCrowd-sourcingâ
9. Preface Principles and terms Important technologies/services Applications Problems Sources
Network eïŹect
More participants = more value per participant
10. Preface Principles and terms Important technologies/services Applications Problems Sources
Reusability / Mash-ups
Open standards + APIs
The web as platform
E.g. RSS âReally Simple Syndicationâ
Content + meta data
Makes following and sharing of content easy
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The importance of data
... increases
12. Preface Principles and terms Important technologies/services Applications Problems Sources
Open licenses
Classic copyright limits the sharing and extension of cultural
goods
Creative commons licenses (a.o.) free content
â âShare, Remix, Reuse - Legallyâ
13. Preface Principles and terms Important technologies/services Applications Problems Sources
Functions/user groups change
Many web services / tools are used in a diïŹerent way and by
diïŹerent people than planned in the beginning
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The long tail
Critical mass easier reachable
Solutions for niche target groups become feasible
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Folksonomy
Social classiïŹcation and tagging of items
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Social graph
Abstraction of human relationships
Node - individuals or groups
Edges - social relationships like friendships
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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)
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Some more recent developments
The real-time web
Location based services
Add-on: combined with augmented reality
Semantic markup
Data portability / distributed networks
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Table of content
1 Preface
2 Principles and terms
3 Important technologies/services
4 Applications
5 Problems
20. Preface Principles and terms Important technologies/services Applications Problems Sources
Blogs
Web log
Structure of a blog post
Title
Author(s)
Content
Comments
Tags/Categories
Permalink
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Blogs
Blogroll
Linkback (Refback/Trackback/Pingback)
Example types of blogs
Edublog
Travelblog
Artblog
Open lab journal
Corporateblog
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Blogs
Self-hosted software like Wordpress, Habari
Blog services like Blogger.com, Livejournal
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Podcasts
Blogs/Feeds that mainly/only link audio or video ïŹles
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Wikis
Collaborative content generation and management
Examples: Wikipedia, Wikitravel
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Social network services
Some examples
Managing your social graph
General: Facebook, Friendster
Business: LinkedIn, Xing
Science: Nature network, BiomedExperts
Hospitality: CouchsurïŹng, Be Welcome
Mobile: Foursquare, brightkite
Create your own one: Ning
26. 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
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Social tagging
URLs: delicious, simpy
News: digg, reddit
Publications: CiteULike, Connotea
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Microblogging
Usually limited number of characters per messages
Real-time updates and searches
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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
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Aggregators
Bundling and sharing of usersâ online activities
E.g. FriendFeed, Cliqset
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Table of content
1 Preface
2 Principles and terms
3 Important technologies/services
4 Applications
5 Problems
32. Preface Principles and terms Important technologies/services Applications Problems Sources
Source of news
Easy individual selection of info streams
Social ïŹltering
Serendipitous discovery
33. Preface Principles and terms Important technologies/services Applications Problems Sources
Getting solutions
Asking question at general or specialized platforms
âDear lazyweb ...â
E.g. Aarkvard, Sciencestack
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Knowledge exchange and management
E.g. a wiki in an institute
E.g. shared link and publication collections in a group
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Building and maintaining communities
Spreading news
Harvesting feedback and proposals
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Identity building and reputation management
For individuals or organisations
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Open Science
Publishing raw results
Open lab journals
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Table of content
1 Preface
2 Principles and terms
3 Important technologies/services
4 Applications
5 Problems
39. 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
40. 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
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Community management is tough
Critical mass, rules, permissions, work ïŹow, complaints, consensus,
vandalism, conïŹicts, attribution, discussion ...
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Interruptions
Frequent notiïŹcations = perfect productivity killer
Solution: Have ïŹxed times for checking news
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About this document
A
Created in L TEX 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 Fšrstner
o
http://konrad.foerstner.org
(*) Excepting the EMBL Logo
Document version 1.0 2010/02/19