During a public health crisis like the COVID-19 pandemic, a credible and easy-to-access
information portal is highly desirable. It helps with disease prevention, public health …

With ChatGPT's release, conversational prompting has become the most popular form of
human-LLM interaction. However, its effectiveness is limited for more complex tasks …

Despite huge gains in performance in natural language understanding via large language
models in recent years, voice assistants still often fail to meet user expectations. In this study …

Conversational agents mimic natural conversation to interact with users. Since the
effectiveness of interactions strongly depends on users' perception of agents, it is crucial to …

The personalization of user experiences through recommendation systems has been
extensively explored in Internet applications, but this has yet to be fully addressed in Virtual …

Proactive voice assistants (VAs) in smart homes predict users' needs and autonomously
take action by controlling smart devices and initiating voice-based features to support users' …

Recent advances in natural language based virtual assistants have attracted more
researches on application of recommender systems (RS) into the service product domain …

Online travel booking has become increasingly popular; however, most travel websites do
not yet offer voice interaction. This study introduces VoiceBack, an artificial intelligence (AI) …

Understanding humans at scale is essential for addressing some of the consequential
challenges in human society. By gaining insights into why people act as they do, we can …

Online help systems are a fundamental support for users to better understand and master
the different types of software that they need or intend to use. Despite different proposals of …