Social bookmarking allows users to store, organize, and share bookmarks online through tags. It involves public and private bookmarking systems where users can organize bookmarks with folksonomies or user-generated tags. Popular social bookmarking sites include Delicious, SlideShare, and Connotea. Delicious allows users to sync bookmarks across devices and share bookmarks with others through tags. SlideShare supports social bookmarking of slide presentations and includes features like slidecasting. Connotea was designed for academic bookmarking and automatically collects metadata for bookmarked articles. These sites vary in their strengths for different user groups, with Delicious providing broad sharing and Connotea tailored for researchers.

1. Social bookmarking
 Social bookmarking is a method for Internet
users to store, organize, search, and manage
bookmarks of web pages on the Internet with
the help of metadata, typically in the form of
tags that collectively and/or collaboratively
become a folksonomy.
 In a social bookmarking system, bookmarks
are usually public, and can be saved privately,
shared only with specified people or groups,
shared only inside certain networks, or another
combination of public and private domains.
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2. Folksonomy and tagging
 A folksonomy (derived from "folk" and
"taxonomy") refers to a form of organic
categorization derived from the practice and
method of collaboratively creating and
managing tags to annotate and categorize
content . It is also known as collaborative
tagging, social classification, social indexing
and social tagging.
 Let’s see how social bookmarking works at
http://www.youtube.com/watch?v=HeBmvDpVbWc&
.
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3. Social bookmarking - Delicious
 Makes it easy to have a single set of
bookmarks kept in sync between all of
your computers
 Send your friends interesting bookmarks
that they can check out the next time
they log on to Delicious
 See what's hot with Delicious users by
checking out our popular tags
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4. Using Delicious
 http://www.youtube.com/watch?v=tcgloI3Zw4Y
offers a tutorial on a previous version of
Delicious. Note that the new version appears to
replace certain functions in the previous version,
like “network” by “follow”, “tag bundle” by “stack”
(which in fact results in a lot of user complaints).
 Your Delicious bookmarks can either be private
or public.
 Read and learn other useful Delicious functions
from http://delicious.com/help.
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5. Social bookmarking in Delicious
 Examine the popularity of a web site that
you had listed and examine those who
have tagged that resource in order to
find other resources tagged by them
 Look for any relevant tags used by other
people which you may have missed out
in your bookmarks.
 “Follow” people so that you can access of
any public bookmarks created by them
(under the “Feed” tab).
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6. Exercises
 Create a Delicious account if you don’t have
one.
 Bookmark a few online resources that are
relevant to your interests on Delicious.
 Edit one of the online resource’s property to
make it a private resource.
 Check on those people who also bookmark
your online resources. “Follow” those people
who share a similar interest with you so that
their public bookmarks can be seem under the
“Feed” tab of your Delicious account.
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7. Teaching ideas
 Groups of students doing a classroom project
sharing their bookmarks either sharing one
Delicious account or “follow” one another
 Teachers may share teaching resources in a
similar way
 Teachers may rate and review bookmarks to
help with students decide on usefulness of
resources
 Examine the popularity of an online resource
that a student had listed and examine those
who have tagged that resource in order to find
possibly useful resources bookmarked by them
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8. Challenges to tagging
 Misspelling of tags
 Similar resources can’t be related due
to the use of different tag names
 Tags of similar meaning
 E.g. fire truck vs. fire engine
 Different perceptions of the material
to be tagged
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9. Slide sharing
 Some slide sharing sites also support the
notion of social bookmarking, e.g.
 Slideshare (which offers a slidecasting function, i.e.
autoplay slide show with a synchronized sound
track; see
http://blog.slideshare.net/2009/07/21/excellent-video-tutor
for details)
 Learn Slideshare’s functions, in particular, the
social bookmarking features at
http://www.slideshare.net/tour
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10. Social bookmarking - Connotea
 Connotea is a free online reference management
service for scientists, researchers, and clinicians by
which users may bookmark any web page they choose.
 Connotea was originally designed for scientists (but has
rapidly grown throughout academic disciplines).
 Connotea recognizes a number of scientific websites
and will automatically collect metadata for the article or
page being bookmarked, including author and
publication names.
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11. Tutorials on Connotea
 http://www.connotea.org/guide offers a
few video tutorials on getting started with
Connotea. The page describes a list of
Connotea functions too.
 Your Connotea bookmarks can either be
private, public or group based. They can
be exported in several electronic
bibliographic formats.
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12. Individual task (5%)
 Compare the social bookmarking
features of Delicious, Slideshare, and
Connotea and discuss their strengths
and weaknesses. Summarise your
findings (preferably in form of a table) in
no more than 2 pages) and post them to
the relevant discussion forum on Moodle
by the end of this Sunday (25 March,
2012).
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13. COMPARISON
Delicious:
With tags to classify -> Find it more
easily
Public -> Share with others/ benefit
others
X Chaotic

14.  Dis adv: fails to create any keywords
with space
 Diff. Perceptions (Diff. terms to describe
the same objects)
 Adv: Click on to see whose ppl are (who
have tagged)& wt sort of keyword they
hv used (popular keywords)
 This guy share similar interest (Access
to his account/follow)
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 Import bookmarks from IE to Delicious