Capacity planning is a critical task in network management. It identifies how much capacity is needed to match future traffic demand. It directly affects customer satisfaction and revenues. In this work we present a network usage analysis tool called Dynamic Netvalue Analyzer (DNA), which helps alleviate a big problem that network engineers and marketing executives face– making optimal resource...

We have developed and deployed several web-based tutors for C++ programming concepts. We have been remotely collecting usage data from these tutors, and analyzing them for the benefit of the students, the teachers and ourselves. In this paper, we will describe the tutors, the types of data collected, and the types of analysis we perform on the data for the benefit of the various constituencies ...

The Complier Average Causal Effect (CACE) method has been increasingly used in prevention research to provide more accurate causal intervention effect estimates in the presence of noncompliance. The purpose of this study was to provide an applied demonstration of the CACE analytic approach to evaluate the relative effects of a family-based prevention intervention, Familias Unidas, in preventing...

In this paper we are going to show how to discover interesting prediction rules in student usage information, and use them to improve adaptive web courses. We have used AHA! to make a course that adapts both the presentation and the navigation depending on the level of knowledge that each particular student has. We have made several changes in AHA! to improve its power in the educational area. ...

Mots clés : webométrie, fouille de données d’usage du Web, indicateurs de la science, comportement utilisateur Web, analyse co-usage, serveur Web

In the paper we describe the applicability of different types of resources and activity modules in the e-learning courses and the worthiness of their usage. The presented ideas are supported by the outcomes of the questionnaire research realized within the elearning study as well as the usage analysis of particular e-course ―Role of a nurse in community care‖ which was one of the outcomes of th...

The March 2011 Anti-Substance Summit in Durban continued the outdated approach to policy around illicit drugs in South Africa. It missed opportunities for discussing how to impact significantly on the health and social harms associated with problematic drug use and reduce the burden of drug-related cases in the criminal justice system. The government needs to move away from the political rhetor...