We introduce an experimental setting to observe and measure the perception of facial expression performed by embodied conversational agents (ECAs). The experimental set-up enables...
Michael Lankes, Regina Bernhaupt, Manfred Tschelig...
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
Portable, reusable test collections are a vital part of research and development in information retrieval. Reusability is difficult to assess, however. The standard approach— si...
Ben Carterette, Evangelos Kanoulas, Virgiliu Pavlu...
This paper presents a new way of thinking for IR metric optimization. It is argued that the optimal ranking problem should be factorized into two distinct yet interrelated stages:...
We review the literature on automatic document formatting with an emphasis on recent work in the field. One common way to frame document formatting is as a constrained optimizatio...