The General Data Protection Law imposes that obtaining consent is an essential requirement for processing personal data. In the online environment, consent banners use cookies to collect personal data. However, research indicates that these consent ...

Context: Digital transformation is a reality; Services that used to be face-to-face are now very flexible. With this, the countries chosen by the e-government improve the relationship with the citizens. Problem: Citizen-user systems have their own ...

The availability and use of interactive systems have increased considerably. However, evaluating the accessibility and communicability of such systems for a range of users is essential to improve their quality. Human-Computer Interaction (HCI) ...

With the COVID-19 pandemic, governments have used applications to help citizens to be informed about the disease. Some applications use chatbots, which despite the advances, still represent challenges for researchers and designers in the domain of human-...

Presenting user reviews in multiple languages is an increasingly common practice among system developers and can be found in the majority of accommodation websites nowadays. Despite this growth in popularity, the design strategies used to collect and ...

The current society produces and consumes large amounts of digital content. Each person accumulates throughout her live a set of digital items that will constitute her own Digital Legacy. In addition, we observe different studies about future data ...

The PROMISE (Project Oriented towards Modeling trust Interactions in the Sharing Economy) framework was proposed to represent the users trust in the sharing economy. PROMISE'S proposal was grounded on the literature. In this paper we present a two-step ...

Having basic knowledge in computing is getting more importance nowadays. With this in mind, many applications have been developed in order to teach programming concepts to children, such as AgentSheets and Scratch, systems that use a visual programming ...

With an evolution of mobile devices, as people have passed a generation and share a significant amount of data about their derivatives in services or platforms on the Web. In this context, this data can be collected, processed, stored and used by third ...

Chatbots have been around since the 1960's, but recently they have risen in popularity especially due to new compatibility with social networks and messenger applications. Chatbots are different from traditional user interfaces, for they unveil ...

Current computer systems facilitate interaction between users for various purposes, including the management of their Digital Legacy. The Digital Legacy of a user is formed by several items and virtual possessions that have some type of value (e.g., ...

In this paper we discuss the concept of deictic sign as a component of the conceptual framework of Linguistics and Semiotics that can be added to Semiotic Inspection Method (SIM) in case the method is adapted to better approach digital ...

This work in progress is meant to describe the privacy related to user's personal information in apps that allow sharing pictures among users. The Privacy Design Model (PDM) supported the privacy appreciation offered by Instagram and Snapchat. The ...

Posthumous communication systems are those that allow users to create messages that will only be sent to the intended receivers after their deaths. In these systems users have to express their wishes through configuration settings which will only take ...

This paper presents a study comparing three inspection methods: Heuristic Evaluation, Cognitive Walkthrough and Semiotic Inspection Method. The objective is to enlighten the novice on HCI methodology improvement and, at the same time, offer new ...

This paper aimed to present partial results of an evaluation of main Facebook resources and the potential impacts of them on social interaction of Facebook users. The methodology adopted consisted applying the Semiotic Inspection Method (SIM) to ...

HCI evaluation methods tend to be proposed and used to verify the interactive qualities of specific systems and design strategies. A discussion about the scientific merits of such methods to advance knowledge in HCI as a field is very rare, although ...

Evaluating collaborative systems is still an openissue being investigated by the HCI and CSCW communities.One of the various relevant aspects to be considered in theevaluation is the quality of the interaction. In that direction there have been proposed ...