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Baravalle, Andres

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  • E-learning and Fast-Changing Subjects

    The Open University has been, since its foundation, one of the forerunners of innovative learning methods for distance education, and one of the first academic institutions to start to extensively focus on e-learning. While research has already been focusing on teaching methods for traditional subjects (as Maths or English Literature) - but fast-changing subjects, as most of the subjects in the field of ICT, pose additional challenges. While we have to draw a line between training and univers...

    Matching Demand and Offer in On-line Provision: a Longitudinal Study of Monster.com

    This is the post-print version of the final published paper that is available from the link below. When considering the jobs market, changes or recurring trends for skilled employees expressed by employers' needs have a tremendous impact on the evolution of website content. On-line jobs sites adverts, academic institutions and professional development “standard bodies” all share those needs as their common driver for contents evolution. This paper aims, on one hand, to discuss and to analy...

    A quantitative approach to usability evaluation of web sites

    Web usability arose as research field at the very beginning of the Internet era. The term "Internet" was formally defined in October 1995; nevertheless Nielsen wrote his first article on web usability in May 1995, and looking in the newsgroup archives at groups.google.com we can find a promotional message (http://groups.google.co.uk/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&group=alt.comp.shareware) of a company, dated December 1995, offering consulting services on usability. The pace of evolution o...

    IT jobs in UK: current trends

    Part of the role of universities is, today as from their earlier times, to prepare students for a productive role in the society. In this context, the role of curriculum development is to ensure that students are able – if so they wish – to acquire skills that are in demand in the work market. This is of uttermost importance in areas as IT where weak choices by students and/or universities might have repercussions in the employability at the end of the academic studies. This paper aims to dis...

    Open Source Migrations: Experiences from the European public administrations

    The landscape of public organizations in Europe is diverse and complex. Public administrations differ in the services that they provide and on their characteristics, but they all rely on computing to deliver their services, even if it is to varying degrees. This paper analyzes the experience of a group of European public organizations investigating the possibility of supporting their services through the use of Open Source. Open Source is software developed inside a community committed to pro...

    Market Relations, Non-Market Relations and Free Software

    Free Software is sometimes considered solely a technical option, but that is a quite limited point of view: we suggest, indeed, that Free Software is not merely a technical option, but it is, in fact a different working paradigm for the software development community and a different model for acquiring (and sharing) resources in the Information Society. This paper will discuss this working paradigm and analyse the market and non-market relations that are implied by it.

    Engaging without over-powering: A case study of a FLOSS project

    This is the post-print version of the published chapter. The original publication is available at the link below. Copyright @ 2010 IFIP International Federation for Information Processing. The role of Open Source Software (OSS) in the e-learning business has become more and more fundamental in the last 10 years, as long as corporate and government organizations have developed their educational and training programs based on OSS out-of-the-box tools. This paper qualitatively documents the d...

    Mining the Dark Web: Drugs and fake ids

    In the last years, governmental bodies have been futilely trying to fight against dark web marketplaces. Shortly after the closing of “The Silk Road” by the FBI and Europol in 2013, new successors have been established. Through the combination of cryptocurrencies and nonstandard communication protocols and tools, agents can anonymously trade in a marketplace for illegal items without leaving any record. This paper presents a research carried out to gain insights on the products and services s...

    Using SVG and XSLT for graphic representation

    Using SVG and XSLT for graphic representation\ud In this paper we will present an XML based framework that can be used to produce graphical visualisation of scientific data. The approach rather than producing ordinary histogram and function diagaram graphs, tries to represent the information in a more graphical appealing and easy to understand way. For examples the approach will give the ability to represent the temperature as the level of coulored fluid in a thermometer.\ud \ud The proposed ...

    On the Sustainability of Web Systems Evolution

    In the last twenty years, the evolution of web systems has been driven along three dimensions: the processes used to develop, evolve, maintain and re-engineer the systems themselves; the end products (the pages, content and links) of such processes; and finally the people dimension, with the extraordinary shift in how developers and users shape, interact and maintain the code and content that they put online. This paper reviews the questions that each of these dimensions has addressed in the ...
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