Web transaction data between web visitors and web functionalities usually convey users’ task-oriented behavior patterns. Clustering web transactions, thus, may capture such infor...
We performed an empirical study exploring people's interactions with an embodied conversational agent (ECA) while performing two tasks. Conditions varied with respect to 1) w...
While “displays” have the connotation of affording visual output, “surfaces” invite the users to interact. What happens then when the surfaces are also displays, when a di...
Current social networks implement very simple protection mechanisms, according to which a user can state whether his/her personal data, relationships, and resources should be eith...
Ubiquitous computing environment has become more popular as a highly open, heterogeneous and service-rich domain, which makes it essential and important for end-users to build a r...