1 ABSTRACT Conflict resolution of the ethical aspects of accessibility issues for Web communities can be facilitated by the judicious use of scenarios. Carefully designed scenarios permit real and perceived conflicts to be explored in safe, no-consequence environments. Building on research into scenario use and Actor Network Theory, the Doing Ethics Technique is extended to better cater for the...

Many online content providers aim to compensate for a loss in advertising revenues by charging consumers for access to online content. However, such a choice is not straightforward, because subscription fees typically deter customers, further reducing advertising revenues. In this research, we empirically examine and quantify a content provider’s trade-off between advertising and subscription r...

Sentiment extraction from user-generated online content to predict stock price movements has become an active research field. This paper gives an overview of common approaches to this topic and analyzes the content generated by the financial social network Seekingalpha.com. The first finding is that a large proportion of users’ attention is focused on only a few stocks. Regarding these stocks i...

User generated content (UGC) is an important source of information to consumers, yet prior research has not fully explored how certain aspects of the content, specifically the tone, perception of quality and source credibility influence attitudes and intentions to buy. This study investigates how the tone of UGC influences perceived content quality, source credibility, attitudes and consumer in...

Web Content Management Systems (CMS) are traditionally used in institutions to allow web content management by people without technical skills. This study intends to check the influence of the CMS in the accessibility of the contents they handle. First, an accessibility analysis of six widely used CMS is performed base don the Authoring Tool Accessibility Guidelines (ATAG). Second, an accessibi...

In the last few years, new devices such as palm computers, smart phones, pocketPCs became common components of the computing infrastructure. These devices allowmultimedia information to be used on the Web at any time and anywhere. At the sametime, the content of the Web has known an important revolution. Today, the Webincludes continuous medias such as video, audio and 3D an...

Fast Flux Service Networks (FFSN) apply high availability server techniques to the business of malware distribution. FFSNs are similar to commercial content distribution networks (CDN), such as Akamai, in terms of size, scope, and business model, serving as an outsourced content delivery service for clients. Using an analysis of DNS traffic, we derive a sequential hypothesis-testing algorithm b...

The Efficacy of Lamivudine Alone, and in Combination with Interferon in the Treatment of Resistant Chronic Hepatitis B [PDF]G. Montazeri, R. Malekzadeh, N. Nouri, M.R. Sohrabi, M. Sotoudeh, N. Kamalian, M. Farhadi Antibody Response to Recombinant Hepatitis B Surface Antigen in Healthy Adults Following Primary and Supplementary VaccinationM.A. Shokrgozar, F. Shokri Induction of Differentiation o...