Speech interfaces are growing in popularity. Through a review of 99 research papers this
work maps the trends, themes, findings and methods of empirical research on speech …

Standardised tools to assess a user's satisfaction with the experience of using chatbots and
conversational agents are currently unavailable. This work describes four studies, including …

Although various methods have been developed to evaluate conversational interfaces, there
has been a lack of methods specifically focusing on evaluating user experience. This paper …

The rise of increasingly more powerful chatbots offers a new way to collect information
through conversational surveys, where a chatbot asks open-ended questions, interprets a …

In this paper we explore how simple auditory/verbal features of the spoken language, such
as voice characteristics (pitch) and language cues (empathy/humor expression) influence …

Human-computer interaction (HCI) is an area of interest which plays a major role in
understanding the interaction between humans and machines. Dialogue systems or …

In this paper, we describe RavenClaw, a plan-based, task-independent dialog management
framework. RavenClaw isolates the domain-specific aspects of the dialog control logic from …

In this chapter, we provide a review of conversational agents (CAs), discussing chatbots,
intended for casual conversation with a user, as well as task-oriented agents that generally …

Considerable progress has been made in recent years in the development of dialogue
systems that support robust and efficient human-machine interaction using spoken …

This paper investigates how social distance can serve as a lens through which we can
understand human–robot relationships and develop guidelines for robot design. In two …