Chatbots' growing popularity has brought new challenges to HCI, having changed the
patterns of human interactions with computers. The increasing need to approximate …

A theory of HCI that uses concepts from semiotics and computer science to focus on the
communication between designers and users during interaction. In The Semiotic …

Government chatbots have become increasingly popular as artificial-intelligence-based
tools to improve communication between the government and its citizens. This study …

Usability is currently one of the most important aspects of software quality. Developers are
aware that if a software product does not meet user's expectations regarding usability, the …

Semiotic engineering was originally proposed as a semiotic approach to designing user
interface languages. Over the years, with research done at the Department of Informatics of …

This paper presents a study about communicability of conversational interfaces (namely
chatbots) under a semiotic perspective. A chatbot is a software system that allows you to …

Atualmente, com a popularização de computadores pessoais, cada vez mais computadores
são incorporados ao cotidiano das pessoas, sendo utilizados não apenas como ferramenta …

This paper describes semiotic inspection, a semiotic engineering evaluation method. It
briefly identifies the essence of theory-based evaluation methods in HCI. Then it provides a …

The concept of affordance is relatively easy to define, but has proved to be remarkably
difficult to engineer. This paradox has sparked numerous debates as to its true nature. The …

The paper argues that semiotics, the theory of signs and symbols, is at the heart of the
representation and transmission of information and meaning, and is thus central to …