Along with the explosive growth of the phenomenon Online Social Networks (OSN), identifying influential users in OSN has received a great deal of attention in recent years. However, the development of practical approaches for identifying them is still in its infancy. By means of a structured...

Lately, a new trend has specially outreached on the Information Society that of Social Computing. Starting from a citizen-focused model of health seamless provision of services, this paper analyses some current Web 2.0 initiatives on the Health sector. These opportunities would not be fully...

Though it had earlier antecedents, the concept of Knowledge Management (KM), as we now know it, evolved as a concept in the late 1980s. The term originated in the consulting community. It arose from the merger of two factors: the recognition of the importance to an organisation of its...

This article joins the research and development (R&D) and knowledge management literature to provide new insight into how to better manage the development of innovative new products and services. This process is still widely acknowledged to be problematic and inefficient. Fundamental to the new...

Purpose – Prior research, in mainly Western economies, suggests the level of corporate governance is financially important. As an emerging economy case study, the purpose of this paper is to investigate whether the Thai Institute of Directors (IOD) corporate governance index provides investors...

A mathematical model was developed for opinion propagation on online social networks using a scale-free network with an adjustable clustering coefficient. Connected nodes influence each other when the difference between their opinion values is less than a threshold value. The model is used to...

In this monograph we examine the extent to which word-of-mouth communication (WOM) plays a complementary and/or substitute role with regard to advertising. A review of the existing literature reveals the main similarities and differences between these constructs. We also examine the conditions...

In a viral marketing campaign, an organization develops a marketing message and encourages customers to forward this message to their contacts. Despite its increasing popularity, there are no models yet that help marketers to predict how many customers a viral marketing campaign will reach and...

We investigate the evolution of online ratings over time and sequence. We first establish that there exist two distinct dynamic processes, one as a function of the amount of time a book has been available for review and another as a function of the sequence of reviews themselves. We find that,...

Whereas recent research has demonstrated the impact of online product ratings and reviews on product sales, we still have a limited understanding of the individual's decision to contribute these opinions. In this research, we empirically model the individual's decision to provide a product...