Bringing positive experiences to users is one of the key goals when designing
conversational agents (CAs). Yet we still lack an understanding of users' underlying needs …

The popularity of task-oriented chatbots is constantly growing, but smooth conversational
progress with them remains profoundly challenging. In recent years, researchers have …

The Wizard of Oz method is an increasingly common practice in HCI and CSCW studies as
part of iterative design processes for interactive systems. Instead of designing a fully-fledged …

Previous work identified trust as one of the key requirements for adoption and continued use
of conversational agents (CAs). Given recent advances in natural language processing and …

Data transformation is an essential step in data science. While experts primarily use
programming to transform their data, there is an increasing need to support non …

We know there is something special about speech. Our voices are not just a means of
communicating. They also give a deep impression of who we are and what we might know …

In an ever increasingly complex technological landscape, interaction methods need to
support users in their own discovery. This is exacerbated by a general aversion to instruction …

Speech is now common in daily interactions with our devices, thanks to voice user interfaces
(VUIs) like Alexa. Despite their seeming ubiquity, designs often do not match users' …

Artificial Intelligence (AI)-based Conversational Agents (CAs) have a great potential to
include marginalized and vulnerable populations. However, some issues still make these …

Natural Language Interfaces and Voice User Interfaces for expressing data visualizations
face ambiguities, such as, speech disfluency, under-specification, and abbreviations. In this …