This paper presents an extensive data-based analysis of the non-profit democratic hospitality exchange service bewelcome.org. We hereby pursuit the goal of determining the factors influencing its growth. It also provides general insights on internet-based hospitality exchange services. The other investigated services are hospitalityclub.org and couchsurfing.org. Communities using the three serv...

The social demand for internationalized educational program is continuously increasing. The role of universities is therefore to change the learning environment to e-Communication approach because the traditional classroom-based education cannot respond to this kind of on-demand distant learning and social demands. Moreover, video-based content format is increasing since it has more attractive ...

Owing to increasing network bandwidth and computing power, the usage of internet has grown at the breakneck rate. Over the years, there has been a significant increase in the number of users who access Internet through high speed DSL but still the access latencies perceived by them is high. Therefore, a significant reduction in web latency assumes importance for the users of the Internet and al...

the internet is a widely recognized channel for information exchange, academic research, entertainment, communication and commerce. the internet is a new tool that is evolving into an essential part of everyday life all over the world and its use increases especially among young people. although the positive aspects of the internet have been readily praised, there is a growing amount of literat...

The past years have seen an increase in the importance of computer networks for many tasks in day-to-day life. Network services are crucial for many business work-flows and become more important for the private life driven by new services such as social networks or online video streaming portals. As the need for network service availability increases, operators see a growing need for understand...

The Internet is providing worldwide connectivity for business organizations and has created a much greater opportunity for people to collaborate remotely. However, working on the Internet can be inefficient due to the Internet latency resulting from uncontrolled Internet traffic and finite bandwidth. In this paper, we investigate several research problems in distributed workflow management and ...

The Korean telecommunications services market has recently experienced an unprecedented growth in the wire-line broadband Internet access and mobile telephony markets. At 2004, 11 million households had broadband Internet access, while mobile telephony subscription reached 36 million—the corresponding penetration rates are 73% and 75%, respectively. By contrast, wire-line and wireless voice mar...