This paper proposes a context-based approach of social networks and virtual communities in the enterprise area. We point out that making context explicit it is possible to provide a global picture of the main aspects of social networks. A first result of this study is that the explicit consideration of contexts—especially shared contexts—could improve notably the collaborative-work processes in...

In the past decade, blogging web sites have become more sophisticated and influential than ever. Much of this sophistication and influence follows from their network organization. Blogging social networks (BSNs) allow individual bloggers to form contact lists, subscribe to other blogs, comment on blog posts, declare interests, and participate in collective blogs. Thus, a BSN is a bimodal venue,...

Online social networking is increasingly popular and is a feature of many websites. Providing multiple types of relationship, such as friend, fan or colleague, can enhance the significance of the networks. We present an empirical study of an online political forum where users engage in content creation, voting, and discussion. The users also make explicit connections via three relationship type...

This paper present the state of the art for the task 4 of the Kolflow project. This state of the art focuses on 3 notions: the notion of Traces and Trace Base Management Systems, the notion of Assistance and the notion of Virtual Communities and Social Networks. This state of the art is not a general study of these different concepts. It was done by studying different concepts in the context of...

the main objective of this study was to develop an assessment model for the virtual water of irrigation networks using analytical hierarchy process. for this purpose, 14 modern irrigation networks of iran were selected. also, 14 effective factors on the virtual water of these systems were considered as decision criteria. expert choice software was used for ranking the virtual water values of th...

Recently, there has been extraordinary propagation in the number of virtual teams for knowledge sharing; however, finding out what affects team member’s behavior is important. This paper integrates the Theory of Reasoned Action (TRA) and the Theory of Planned Behavior (TPB) to construct a model for investigating the socio-behavioral factors behind virtual knowledge sharing. The results of previ...

Despite many works on collaborative networked organizations (CNOs), CSCW, groupware, workflow systems and social networks, computer support for virtual teams is still insufficient, especially support for agility, i.e. the capability of virtual team members to rapidly and cost efficiently adapt the way they interact to changes. In this paper, requirements for computer support for agile virtual t...

Today, the number of people using social networks is increasing. Meanwhile, the most important effect of these networks is on the quality of family members' relationships because it is considered as a tool that can be very effective on the relationships of family members with each other. Therefore, the purpose of this study was to investigate the effect of social networks on family relationship...