Background Conversational agents (CAs), also known as chatbots, are computer programs
that simulate human conversations by using predetermined rule-based responses or …

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 …

Digitalization crosses all areas of life (Hess et al. 2014). Recent progress in artificial
intelligence (AI) opens new potentials for further developments and improvements, with …

Background The evolution of artificial intelligence and natural language processing
generates new opportunities for conversational agents (CAs) that communicate and interact …

Conversational agents (CAs) represent a paradigm shift in regards to how humans use
information systems. Although CAs have recently attracted considerable research interest …

Conversational agents designed to interact through natural language are often imbued with
human-like personalities. At times, the agent might also have a distinct persona with traits …

Conversational agents such as Apple's Siri or Amazon's Alexa are becoming more and more
prevalent. Almost every smart device comes equipped with such an agent. While on the one …

The increasing application of Conversational Agents (CAs) changes the way customers and
businesses interact during a service encounter. Research has shown that CA equipped with …

The use of intelligent virtual agents (IVA) to support humans in social contexts will depend
on their social acceptability. Acceptance will be related to the human's perception of the IVAs …

Conversational agents (CA) are increasingly applied to realize health applications that
collect patient data, provide information or even deliver health interventions. We developed …