This paper presents our research efforts to support students’ collaborative process when learning mathematics and science as they interact in microworlds and engage in discussions and structured arguments. From a pedagogical perspective, the system provides students with an environment to explore challenging problems and encourages them to collaborate. The collaboration takes place in a discuss...

This paper describes an approach for presentation and argumentation support systems within a legal IT forensic case. The first part is dedicated to a very short analysis of the current legal situation in the context of Austrian laws and regulations. This analysis is followed by a discussion about gathering digital evidence, which provides the basis for the entire argumentation process. The pape...

Article history: Received 10 September 2008 Accepted 7 January 2009 Available online xxxx PACS: 31.15.xv 33.15.Mt 33.20.Vq 02.60.Jh

The creation of a concrete plan for preserving a collection of digital objects of a specific institution necessitates the evaluation of available solutions against clearly defined and measurable criteria. This process is called preservation planning and aids in the decision making process to find the most suitable preservation strategy considering the institution’s requirements, the planning co...

It is now widely accepted that errors in spreadsheets are both common and potentially dangerous. Further research has taken place to investigate how frequently these errors occur, what impact they have, how the risk of spreadsheet errors can be reduced by following spreadsheet design guidelines and methodologies, and how effective auditing of a spreadsheet is in the detection of these errors. H...

This paper reports on the effects of an interactive software tool on the learning of Chinese tones by English-L1 learners of Chinese. The software enables students to listen to model utterances by native speakers of Chinese and to record their own renditions of those utterances. Simultaneously the F0 contours of both the model utterances and the student utterances are displayed on the computer ...

In this paper, the authors present results from a study on the usage rate of 2.0 tools and technologies among Spanish enterprises. The main objective of the study is to analyze, from the perceptions of executives, the influence of social software tools on a set of business processes. This analysis has been made using two graphic tools: the “2.0 Success Matrix” and the “Tool’s Footprint”. Both t...

Why are many information technology (IT) governance software implementations challenged and what are the critical success factors (CSFs) for the rollouts? This question has recently gained importance, as IT governance is high on the corporate agenda and software tools have become available that promise to enforce and streamline IT governance mechanisms. However, early research has shown some of...

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