As the Internet moves towards a three-layer architecture consisting of overlay networks on top of the IP network layer on top of WDM-based physical networks, incorporating the interaction between and among network layers is crucial for efficient and effective implementation of survivability. This dissertation has four major foci as follows:…

Most traditional age college students communicate regularly on social networking sites such as, MySpace, Facebook, Friendster, Bebo, and LiveJournal. These are member-based internet communities that allow users to create a username, enter personal profile information, post photographs and communicate with others in innovative ways. Since Facebook…

Purpose: Recent advances in the interactive technologies have transformed the way today's organizations and their different stakeholders learn. Now, because of the increasing learning requirements, neither these organizations nor their stakeholders can afford to be too self-focused while learning; instead, they collaborate and learn together.…

Using data about collaborative relationships among 109 reading policy actors from four states, this study investigated the extent to which social capital, operationalized as spanning structural holes, predicted a policy actor's reputed influence. Regression analysis showed that after controlling for state, centrality, and government entity, having…

Students need space to gather, share ideas, talk, develop common understanding and work to create greater knowledge. This focus on collaboration has put a strain on group study spaces. Students need to collaborate spontaneously, and scheduling time in a study room is not conducive to spur-of-the-moment collaboration. At many education…

Internet usage has dramatically increased over the past decade, and adolescents, or digital natives as they are sometimes called, are readily immersing themselves in life online. In the past ten years, teens' use of the internet has risen from just under 75% of teens in 2000 to over 93% in 2009. With so many teens online and able to access the…

Much research has explored the role of social networks in promoting health through the provision of social support. However, little work has examined how social networks themselves may be structured by health. This article investigates the link between individuals' health and the characteristics of their social network positions.We first develop…

Purpose: The article seeks to identify patterns of service utilization among informal caregivers of frail older adults. In particular, the study examined determinants that explain heterogeneous variations in caregivers' service use patterns. Methods: Using a latent class analysis (LCA) on the 2004 National Long-Term Care Survey and Informal…

For many Digital Natives, text messaging or SMS is the communication channel of choice, but preferences in communication channels aren't the only distinguishing traits of Digital Natives. Attitudes and perceptions related to digital privacy, identity, creativity, piracy, and advocacy also help to set younger generations apart. So how does one take…

While many talk about the cloud, few actually understand it. Three organizations' definitions come to the forefront when defining the cloud: Gartner, Forrester, and the National Institutes of Standards and Technology (NIST). Although both Gartner and Forrester provide definitions of cloud computing, the NIST definition is concise and uses…

The issue of knowledge management in a distributed network is receiving increasing attention from both scientific and industrial organizations. Research efforts in this field are motivated by the awareness that knowledge is more and more perceived as a primary economic resource and that, in the context of organization of organizations, the…

The paper examines studies based on the theory of expansive learning, formulated in 1987. In recent years the theory has been used in a wide variety of studies and interventions. The theory builds on foundational ideas put forward by Vygotsky, Leont'ev, Il'enkov, and Davydov, key figures in the Russian school of cultural-historical activity…

Little research in the ESL context has examined the online teaching and learning activities in high schools. One main reason is the lack of appropriate theoretical framework rather than the learners or the environment. Using data from twelve high school students and two teachers from two Malaysian schools, the current study adapted Borup et al.'s…

This paper reports on the way in which Facebook Group used as a learning management system can enhance Thai students' effective language learning (positive attitude and motivation) in a private university in the vicinity of Bangkok. These two variables are seen to influence learners' achievement in language learning, and they also interdependently…

The aim of this study was to investigate the associations between preservice teachers' Web 2.0 competencies and their critical thinking disposition (CTD). The study employed an associational research design using California Critical Thinking Disposition-Inventory (CCTD-I) and a Web 2.0 competency questionnaire including items related to Web 2.0…