In order to explore an image, the human eye functions like a spotlight, scanning the content from one object to the next. This visual search behavior is implemented with the help of attention control. The following work surveys the visual search behavior in “Wimmelpictures”, a special type of busy pictures. The research objective is to analyze different search strategies and to work out possibl...

The heterogeneous nature of information needs and information sources requires techniques that efficiently combine and leverage insights from diverse data sources. Moreover, user interaction from different sources provides different perspectives on user’s interests and preferences. In this work, we consider user interaction data from different verticals (news, search) and characterize behaviora...

We use a rich new body of data on the experiences of unemployed job-seekers to determine the sources of wage dispersion and to create a search model consistent with the acceptance decisions the job-seekers made. From the data and the model, we identify the distributions of four key variables: offered wages, offered non-wage job values, the value of the job-seeker’s non-work alternative, and the...

Europeana is a strategic project funded by the European Commission with the goal of making Europe's cultural and scientific heritage accessible to the public. ASSETS is a two-­ year BLOCKIN BLOCKIN performance, accessibility and usability of the Europeana search engine. Here we present a characterization of the Europeana logs by showing statistics on common behavioral patterns of the Europeana ...