We investigate the topical structure of the set of documents used to expand a query in pseudorelevance feedback (PRF). We propose a coherence score to measure the relative topical...
How does someone react when he faces a critical situation in his life? In this paper we present an initial initial implementation architecture based on a simulation model described...
Although asynchronous HTTP technologies have grown in importance with the emergence of Web 2.0, most web-based Adaptive Hypermedia Systems (AHS) still exclusively use serverside m...
Spreadsheets are heavily employed in administration, financial forecasting, education, and science because of their intuitive, flexible, and direct approach to computation. They r...
In this paper we present the concept of hybrid personalization, the combination of multiple atomic personalization mechanisms. The idea of hybrid personalization is related to hyb...
In this paper, we discuss how users and designers of existing learning management systems (LMSs) can make use of policies to enhance adaptivity and adaptability. Many widespread L...
Arne Wolf Koesling, Eelco Herder, Juri Luca De Coi...
Detecting bursts in data streams is an important and challenging task, especially in stock market, traffic control or sensor network streams. Burst detection means the identificat...
We report on an exploratory, qualitative user study designed to identify users' goals underlying podcast search, the strategies used to gain access to podcasts, and how curre...