Adaptive hypermedia is a new direction of research within the area of adaptive and user model-based interfaces. Adaptive hypermedia (AH) systems build a model of the individual user and apply it for adaptation to that user, for example, to adapt the content of a hypermedia page to the user's knowledge and goals, or to suggest the most relevant links to follow. AH systems are now used in several...

The broad goal of adaptive techniques is to acquire knowledge dynamically about the search space and to use this knowledge to bias the evolutionary process. The effectiveness of any adaptive technique is therefore determined by the biases being used. In this paper we identify four key biases introduced by adaptive recombination operators and analyse the relationship between these biases. We use...

Six runs were submitted for the Adaptive Filtering track, four on the adaptive filtering task (ok11af??), and two on the routing task (msPUM?). The adaptive filtering system has been somewhat modified from the one used for TREC–10, largely for efficiency and flexibility reasons; the basic filtering algorithms remain similar to those used in recent TRECs. For the routing task, a completely new s...

The object-oriented modeling has been largely adopted in industry in the last years. Several systems built 4 or 5 years ago may need an adaptive maintenance process in order to better satisfy market and customer needs. In this paper1, a model for effort estimation/prediction of the adaptive maintenance is presented. A selection of metrics for effort estimation has been applied to the general mo...

The concept of adaptive user interfaces is a promising solution for providing users with a wide range of individual needs with accessible technology. Developers only have to implement one generic solution to offer a multitude of individually optimised concrete user interfaces. Whereas a lot of technical functionalities and characteristics of adaptive user interfaces are already solved, there is...

Cognitive diagnostic modeling has become an exciting new field of psychometric research. These models aim to diagnose examinees’ mastery status of a group of discretely defined skills, or attributes, thereby providing them with detailed information regarding their specific strengths and weaknesses. Combining cognitive diagnosis with computer adaptive assessments has emerged as an important part...