Folksonomies can be viewed as large sources of informal semantics. Folksonomy tags can be interpreted as concepts that can be extracted from the social data and used as a basis for creating semantic structures. In the folksonomy the connection between these concepts and the tagged resources are explicit. However, to effectively use the extracted conceptual structures it is important to be able ...

Social networks are very popular these days, and it facilitates search and retrieval of information through internet. Hence, our understanding and usage of the WWW significantly differs from early days. The Internet, particularly the WWW is not only being used and approached for gathering information anymore. It is used routinely to reach other people through various applications ranging from e...

The article provides a brief overview of Social Network Analysis (SNA) and its potential for exploiting the wealth of information buried in the email archives of business and private entities. Within the scope of the COMMIUS1 project, we built a proof-of-concept prototype in Java, which used the spreading activation algorithm to reconstruct various aspects of multidimensional social network fro...

Collaborative tagging systems, or folksonomies, have the potential of becoming technologic infrastructure to support knowledge management activities in an organization or a society. There are many challenges, however. This paper presents designs that enhance collaborative tagging systems to meet some key challenges: community identification, ontology generation, user and document recommendation...

With the proliferation of social network services, more and more social users, such as individuals and organizations, are simultaneously involved in multiple social networks for various purposes. In fact, multiple social networks characterize the same social users from different perspectives, and their contexts are usually consistent or complementary rather than independent. Hence, as compared ...

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Shyness has become an 'unhealthy' state of mind for individuals living in contemporary Western societies. Insofar as its behavioural 'symptoms' imply a failure to achieve certain cultural values, such as assertiveness, self-expression and loquacious vocality, shyness is increasingly defined as a problem for which people can, and should, be treated. This paper first critically discusses the idea...

The article deals with the poorly studied problem of arranging social aid to families parenting children with autism spectrum disorders (ASD). Based on the analysis of the actual daily needs of the families having autistic children, the main channels of aid rendered to such families as well as the frustrated needs of the families are revealed. Discussion of the results of the empirical research...

The end of the first year marks an important social-cognitive transition for human infants. Around this time, they start to engage in a new variety of joint attentional behaviors not clearly present in the preceding months. These new social behaviors are thought to index infants' understanding of intentions in others-an understanding that ultimately gives way to an active participation in human...

Social learning is focused for that learning occurs within a social context, in a place where people can work and learn collaboratively. New technologies, such as social network, wiki, blogs, among others social tools, enable collaborative work and are important facilitators of social learning process. These tools provide an easy mechanism for people to communicate and collaborate, which help i...