Natural User Interfaces (NUI) are supposed to be used by humans in a very logic way. However, the run to deploy Speech-based NUIs by the industry has had a large impact on the naturality of such interfaces. This paper ...

Ambient Intelligence and Ubiquitous Computing are carrying the world to a reality where almost every object interacts with the environment, either via sensors or actuators, and users must learn how to interact with such ...

Standardized questionnaires are one of the methods used to evaluate User Experience (UX). Standardized questionnaires are composed of an invariable group of questions that users answer themselves after using a product ...

Sign languages are natural languages used mostly by deaf and hard of hearing people. Different development opportunities for people with these disabilities are limited because of communication problems. The advances in ...

People with disabilities have fewer opportunities. Technological developments should be used to help these people to have more opportunities. In this paper we present partial results of a research project which aims to ...

Several million people around the world use signs as their main mean of communication. The advances in technologies to recognize such signs will make possible the computer supported interpretation of sign languages. There ...

Obesity and a sedentary lifestyle are relevant issues in today’s society. Even though different resources can be used to approach this problem, technology provides endless possibilities to fight against this problem. This ...

Alternative and augmentative communications encapsulates the use of technology to provide communication means for people with some sort of disability. In this paper, we present a prototype that provides both pictographic ...

Communication is a key for human development. Nevertheless, deaf people have difficulty interacting with hearing and hard of hearing people. On the other hand, new technology allows gesture recognition. This work aims ...

Traditional web interfaces often rely on keyboard/mouse input to work. This characteristic forces people with reduced mobility to adapt or do not use the applications at all. This paper proposes a prototype to increase web ...