A well-known challenge of information retrieval is how to infer a user's underlying information need when the input query consists of only a few keywords. Question Answering (...
This paper argues for evaluating the impact of persuasive systems on users beyond metrics that focus on system usage, based on an interview study of 16 Wii Fit users. While explor...
Victoria Schwanda, Steven Ibara, Lindsay Reynolds,...
Many current effectiveness measures incorporate simplifying assumptions about user behavior. These assumptions prevent the measures from reflecting aspects of the search process...
: Usability evaluation techniques such as user-observations, cognitive walkthroughs, or heuristic evaluations can be applied to evaluate the usability of multimedia interfaces of c...
Recent research has had some success using the length of time a user displays a document in their web browser as implicit feedback for document preference. However, most studies h...